/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-comm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 09:55:30,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 09:55:30,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 09:55:30,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 09:55:30,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 09:55:30,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 09:55:30,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 09:55:30,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 09:55:30,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 09:55:30,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 09:55:30,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 09:55:30,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 09:55:30,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 09:55:30,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 09:55:30,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 09:55:30,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 09:55:30,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 09:55:30,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 09:55:30,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 09:55:30,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 09:55:30,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 09:55:30,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 09:55:30,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 09:55:30,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 09:55:30,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 09:55:30,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 09:55:30,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 09:55:30,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 09:55:30,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 09:55:30,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 09:55:30,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 09:55:30,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 09:55:30,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 09:55:30,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 09:55:30,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 09:55:30,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 09:55:30,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 09:55:30,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 09:55:30,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 09:55:30,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 09:55:30,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 09:55:30,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-06-11 09:55:30,258 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 09:55:30,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 09:55:30,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 09:55:30,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 09:55:30,261 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 09:55:30,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 09:55:30,262 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 09:55:30,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 09:55:30,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 09:55:30,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 09:55:30,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 09:55:30,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 09:55:30,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 09:55:30,263 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 09:55:30,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 09:55:30,264 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 09:55:30,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 09:55:30,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 09:55:30,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 09:55:30,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 09:55:30,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 09:55:30,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 09:55:30,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 09:55:30,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 09:55:30,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 09:55:30,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 09:55:30,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 09:55:30,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 09:55:30,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 09:55:30,266 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 09:55:30,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 09:55:30,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 09:55:30,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 09:55:30,603 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-11 09:55:30,604 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-11 09:55:30,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-comm.wvr.bpl [2021-06-11 09:55:30,605 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/mult-comm.wvr.bpl' [2021-06-11 09:55:30,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 09:55:30,642 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-11 09:55:30,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 09:55:30,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 09:55:30,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 09:55:30,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 09:55:30" (1/1) ... [2021-06-11 09:55:30,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 09:55:30" (1/1) ... [2021-06-11 09:55:30,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 09:55:30,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 09:55:30,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 09:55:30,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 09:55:30,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 09:55:30" (1/1) ... [2021-06-11 09:55:30,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 09:55:30" (1/1) ... [2021-06-11 09:55:30,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 09:55:30" (1/1) ... [2021-06-11 09:55:30,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 09:55:30" (1/1) ... [2021-06-11 09:55:30,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 09:55:30" (1/1) ... [2021-06-11 09:55:30,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 09:55:30" (1/1) ... [2021-06-11 09:55:30,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 09:55:30" (1/1) ... [2021-06-11 09:55:30,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 09:55:30,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 09:55:30,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 09:55:30,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 09:55:30,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 09:55:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 09:55:30,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-11 09:55:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-11 09:55:30,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-11 09:55:30,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-11 09:55:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-11 09:55:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-11 09:55:30,761 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-11 09:55:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 09:55:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 09:55:30,762 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 09:55:30,970 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 09:55:30,971 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-11 09:55:30,972 INFO L202 PluginConnector]: Adding new model mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 09:55:30 BoogieIcfgContainer [2021-06-11 09:55:30,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 09:55:30,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 09:55:30,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 09:55:30,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 09:55:30,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 09:55:30" (1/2) ... [2021-06-11 09:55:30,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590bda9a and model type mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 09:55:30, skipping insertion in model container [2021-06-11 09:55:30,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 09:55:30" (2/2) ... [2021-06-11 09:55:30,978 INFO L111 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.bpl [2021-06-11 09:55:30,999 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 09:55:31,002 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 09:55:31,003 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 09:55:31,043 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-11 09:55:31,058 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-11 09:55:31,075 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 09:55:31,075 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 09:55:31,075 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 09:55:31,076 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 09:55:31,076 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 09:55:31,076 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 09:55:31,076 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 09:55:31,076 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 09:55:31,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 19 transitions, 54 flow [2021-06-11 09:55:31,136 INFO L129 PetriNetUnfolder]: 2/17 cut-off events. [2021-06-11 09:55:31,137 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 09:55:31,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 17 events. 2/17 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2021-06-11 09:55:31,139 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 19 transitions, 54 flow [2021-06-11 09:55:31,159 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 20 places, 15 transitions, 42 flow [2021-06-11 09:55:31,160 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:31,171 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 15 transitions, 42 flow [2021-06-11 09:55:31,174 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 15 transitions, 42 flow [2021-06-11 09:55:31,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 20 places, 15 transitions, 42 flow [2021-06-11 09:55:31,180 INFO L129 PetriNetUnfolder]: 2/15 cut-off events. [2021-06-11 09:55:31,180 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 09:55:31,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24 conditions, 15 events. 2/15 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 11. Up to 2 conditions per place. [2021-06-11 09:55:31,183 INFO L151 LiptonReduction]: Number of co-enabled transitions 48 [2021-06-11 09:55:31,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 09:55:31,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 09:55:31,360 INFO L163 LiptonReduction]: Checked pairs total: 20 [2021-06-11 09:55:31,360 INFO L165 LiptonReduction]: Total number of compositions: 5 [2021-06-11 09:55:31,364 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 205 [2021-06-11 09:55:31,385 INFO L129 PetriNetUnfolder]: 2/9 cut-off events. [2021-06-11 09:55:31,385 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 09:55:31,385 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:31,386 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:31,386 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:31,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:31,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1133339149, now seen corresponding path program 1 times [2021-06-11 09:55:31,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:31,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943645389] [2021-06-11 09:55:31,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:31,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 09:55:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:31,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943645389] [2021-06-11 09:55:31,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 09:55:31,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 09:55:31,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981142380] [2021-06-11 09:55:31,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 09:55:31,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:31,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 09:55:31,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 09:55:31,529 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 24 [2021-06-11 09:55:31,530 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 10 transitions, 32 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:31,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:31,530 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 24 [2021-06-11 09:55:31,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:31,547 INFO L129 PetriNetUnfolder]: 5/19 cut-off events. [2021-06-11 09:55:31,547 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-06-11 09:55:31,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 19 events. 5/19 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 1/20 useless extension candidates. Maximal degree in co-relation 20. Up to 8 conditions per place. [2021-06-11 09:55:31,549 INFO L132 encePairwiseOnDemand]: 20/24 looper letters, 3 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2021-06-11 09:55:31,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 12 transitions, 48 flow [2021-06-11 09:55:31,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 09:55:31,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 09:55:31,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2021-06-11 09:55:31,558 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7638888888888888 [2021-06-11 09:55:31,559 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 55 transitions. [2021-06-11 09:55:31,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 55 transitions. [2021-06-11 09:55:31,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:31,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 55 transitions. [2021-06-11 09:55:31,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:31,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:31,567 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:31,568 INFO L185 Difference]: Start difference. First operand has 15 places, 10 transitions, 32 flow. Second operand 3 states and 55 transitions. [2021-06-11 09:55:31,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 12 transitions, 48 flow [2021-06-11 09:55:31,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 12 transitions, 40 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 09:55:31,572 INFO L241 Difference]: Finished difference. Result has 14 places, 12 transitions, 43 flow [2021-06-11 09:55:31,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=43, PETRI_PLACES=14, PETRI_TRANSITIONS=12} [2021-06-11 09:55:31,574 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, -1 predicate places. [2021-06-11 09:55:31,574 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:31,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 14 places, 12 transitions, 43 flow [2021-06-11 09:55:31,575 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 14 places, 12 transitions, 43 flow [2021-06-11 09:55:31,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 14 places, 12 transitions, 43 flow [2021-06-11 09:55:31,580 INFO L129 PetriNetUnfolder]: 5/19 cut-off events. [2021-06-11 09:55:31,580 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 09:55:31,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 19 events. 5/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 18. Up to 8 conditions per place. [2021-06-11 09:55:31,581 INFO L151 LiptonReduction]: Number of co-enabled transitions 22 [2021-06-11 09:55:31,582 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:31,582 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:31,583 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-06-11 09:55:31,584 INFO L480 AbstractCegarLoop]: Abstraction has has 14 places, 12 transitions, 43 flow [2021-06-11 09:55:31,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:31,584 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:31,584 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:31,584 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 09:55:31,585 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:31,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:31,585 INFO L82 PathProgramCache]: Analyzing trace with hash -687885939, now seen corresponding path program 1 times [2021-06-11 09:55:31,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:31,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840055777] [2021-06-11 09:55:31,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:31,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:31,650 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.8 percent of original size [2021-06-11 09:55:31,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:31,691 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-11 09:55:31,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:31,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:31,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840055777] [2021-06-11 09:55:31,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521254952] [2021-06-11 09:55:31,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:31,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-11 09:55:31,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:31,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:31,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:31,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:31,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:31,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:31,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:31,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:31,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:31,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:31,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:31,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:31,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:31,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,824 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:55:31,827 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:55:31,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:31,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:31,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:31,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:31,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:31,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:31,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:31,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:31,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:31,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:31,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:31,867 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-06-11 09:55:31,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:31,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:31,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:31,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:31,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:31,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:31,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:31,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:31,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:31,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:31,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:31,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:31,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:31,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-06-11 09:55:31,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114582987] [2021-06-11 09:55:31,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 09:55:31,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:31,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 09:55:31,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-11 09:55:31,902 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-06-11 09:55:31,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 12 transitions, 43 flow. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:31,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:31,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-06-11 09:55:31,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:32,010 INFO L129 PetriNetUnfolder]: 9/28 cut-off events. [2021-06-11 09:55:32,010 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-06-11 09:55:32,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 28 events. 9/28 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 56 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 47. Up to 13 conditions per place. [2021-06-11 09:55:32,012 INFO L132 encePairwiseOnDemand]: 19/24 looper letters, 4 selfloop transitions, 5 changer transitions 4/18 dead transitions. [2021-06-11 09:55:32,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 18 transitions, 90 flow [2021-06-11 09:55:32,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 09:55:32,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 09:55:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 78 transitions. [2021-06-11 09:55:32,015 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.65 [2021-06-11 09:55:32,015 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 78 transitions. [2021-06-11 09:55:32,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 78 transitions. [2021-06-11 09:55:32,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:32,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 78 transitions. [2021-06-11 09:55:32,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:32,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:32,022 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:32,022 INFO L185 Difference]: Start difference. First operand has 14 places, 12 transitions, 43 flow. Second operand 5 states and 78 transitions. [2021-06-11 09:55:32,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 18 transitions, 90 flow [2021-06-11 09:55:32,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 18 transitions, 86 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 09:55:32,026 INFO L241 Difference]: Finished difference. Result has 20 places, 14 transitions, 74 flow [2021-06-11 09:55:32,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=74, PETRI_PLACES=20, PETRI_TRANSITIONS=14} [2021-06-11 09:55:32,026 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 5 predicate places. [2021-06-11 09:55:32,027 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:32,027 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 14 transitions, 74 flow [2021-06-11 09:55:32,027 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 14 transitions, 74 flow [2021-06-11 09:55:32,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 19 places, 14 transitions, 74 flow [2021-06-11 09:55:32,037 INFO L129 PetriNetUnfolder]: 7/22 cut-off events. [2021-06-11 09:55:32,037 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-06-11 09:55:32,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 22 events. 7/22 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 37 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 51. Up to 11 conditions per place. [2021-06-11 09:55:32,038 INFO L151 LiptonReduction]: Number of co-enabled transitions 24 [2021-06-11 09:55:32,039 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:32,039 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:32,039 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-06-11 09:55:32,040 INFO L480 AbstractCegarLoop]: Abstraction has has 19 places, 14 transitions, 74 flow [2021-06-11 09:55:32,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:32,040 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:32,041 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:32,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-06-11 09:55:32,257 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:32,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:32,258 INFO L82 PathProgramCache]: Analyzing trace with hash -803209783, now seen corresponding path program 1 times [2021-06-11 09:55:32,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:32,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171753494] [2021-06-11 09:55:32,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:32,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:32,346 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.8 percent of original size [2021-06-11 09:55:32,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:32,380 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-11 09:55:32,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:32,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:32,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171753494] [2021-06-11 09:55:32,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084395484] [2021-06-11 09:55:32,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:32,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-11 09:55:32,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:32,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:32,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:32,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:32,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:32,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:32,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:32,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:32,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:32,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:32,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:32,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:32,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:32,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:32,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:32,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:32,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:32,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:32,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:32,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:32,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:32,491 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 09:55:32,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:32,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:32,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:32,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:32,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:32,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:32,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:32,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:32,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:32,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:32,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:32,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:32,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:32,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:32,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:32,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:32,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-06-11 09:55:32,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795098434] [2021-06-11 09:55:32,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 09:55:32,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:32,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 09:55:32,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-11 09:55:32,515 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-06-11 09:55:32,515 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 14 transitions, 74 flow. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:32,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:32,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-06-11 09:55:32,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:32,617 INFO L129 PetriNetUnfolder]: 15/36 cut-off events. [2021-06-11 09:55:32,618 INFO L130 PetriNetUnfolder]: For 35/36 co-relation queries the response was YES. [2021-06-11 09:55:32,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 36 events. 15/36 cut-off events. For 35/36 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 78 event pairs, 1 based on Foata normal form. 1/37 useless extension candidates. Maximal degree in co-relation 110. Up to 19 conditions per place. [2021-06-11 09:55:32,619 INFO L132 encePairwiseOnDemand]: 19/24 looper letters, 6 selfloop transitions, 5 changer transitions 4/20 dead transitions. [2021-06-11 09:55:32,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 20 transitions, 133 flow [2021-06-11 09:55:32,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 09:55:32,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 09:55:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 78 transitions. [2021-06-11 09:55:32,622 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.65 [2021-06-11 09:55:32,622 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 78 transitions. [2021-06-11 09:55:32,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 78 transitions. [2021-06-11 09:55:32,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:32,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 78 transitions. [2021-06-11 09:55:32,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:32,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:32,624 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:32,624 INFO L185 Difference]: Start difference. First operand has 19 places, 14 transitions, 74 flow. Second operand 5 states and 78 transitions. [2021-06-11 09:55:32,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 20 transitions, 133 flow [2021-06-11 09:55:32,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 20 transitions, 116 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-06-11 09:55:32,626 INFO L241 Difference]: Finished difference. Result has 23 places, 16 transitions, 97 flow [2021-06-11 09:55:32,626 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=59, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=97, PETRI_PLACES=23, PETRI_TRANSITIONS=16} [2021-06-11 09:55:32,626 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 8 predicate places. [2021-06-11 09:55:32,626 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:32,627 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 16 transitions, 97 flow [2021-06-11 09:55:32,627 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 16 transitions, 97 flow [2021-06-11 09:55:32,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 16 transitions, 97 flow [2021-06-11 09:55:32,633 INFO L129 PetriNetUnfolder]: 12/28 cut-off events. [2021-06-11 09:55:32,633 INFO L130 PetriNetUnfolder]: For 28/31 co-relation queries the response was YES. [2021-06-11 09:55:32,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 28 events. 12/28 cut-off events. For 28/31 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 50 event pairs, 0 based on Foata normal form. 2/30 useless extension candidates. Maximal degree in co-relation 87. Up to 16 conditions per place. [2021-06-11 09:55:32,634 INFO L151 LiptonReduction]: Number of co-enabled transitions 18 [2021-06-11 09:55:32,636 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:32,636 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:32,637 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-06-11 09:55:32,639 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 16 transitions, 97 flow [2021-06-11 09:55:32,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:32,639 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:32,639 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:32,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:32,849 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:32,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:32,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1788899921, now seen corresponding path program 1 times [2021-06-11 09:55:32,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:32,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771327275] [2021-06-11 09:55:32,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:32,894 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:55:32,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:32,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:32,915 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-06-11 09:55:32,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:32,933 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:32,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:32,948 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:32,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:32,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:32,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771327275] [2021-06-11 09:55:32,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570174131] [2021-06-11 09:55:32,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:32,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-11 09:55:32,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:32,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:32,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:32,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:32,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:32,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:32,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:33,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:33,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:33,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:33,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:33,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:33,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:33,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:33,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:33,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:33,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:33,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:33,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,031 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size 32 [2021-06-11 09:55:33,032 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-06-11 09:55:33,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:33,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:33,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:33,051 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-06-11 09:55:33,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 09:55:33,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:33,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:33,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 09:55:33,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:33,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:33,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:33,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:33,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:33,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:33,086 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 09:55:33,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:33,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:33,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:33,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:33,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,097 INFO L147 QuantifierPusher]: treesize reduction -4, result has 106.7 percent of original size 64 [2021-06-11 09:55:33,098 INFO L142 QuantifierPusher]: treesize reduction -4, result has 106.7 percent of original size [2021-06-11 09:55:33,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-11 09:55:33,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:33,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:33,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:33,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:33,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:33,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-11 09:55:33,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450304058] [2021-06-11 09:55:33,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 09:55:33,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:33,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 09:55:33,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-06-11 09:55:33,144 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 24 [2021-06-11 09:55:33,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 16 transitions, 97 flow. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:33,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:33,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 24 [2021-06-11 09:55:33,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:33,290 INFO L129 PetriNetUnfolder]: 18/50 cut-off events. [2021-06-11 09:55:33,290 INFO L130 PetriNetUnfolder]: For 66/66 co-relation queries the response was YES. [2021-06-11 09:55:33,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 50 events. 18/50 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 128 event pairs, 1 based on Foata normal form. 1/51 useless extension candidates. Maximal degree in co-relation 174. Up to 27 conditions per place. [2021-06-11 09:55:33,291 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 11 selfloop transitions, 9 changer transitions 1/25 dead transitions. [2021-06-11 09:55:33,291 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 25 transitions, 195 flow [2021-06-11 09:55:33,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 09:55:33,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 09:55:33,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 90 transitions. [2021-06-11 09:55:33,295 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5357142857142857 [2021-06-11 09:55:33,295 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 90 transitions. [2021-06-11 09:55:33,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 90 transitions. [2021-06-11 09:55:33,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:33,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 90 transitions. [2021-06-11 09:55:33,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:33,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:33,298 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:33,298 INFO L185 Difference]: Start difference. First operand has 22 places, 16 transitions, 97 flow. Second operand 7 states and 90 transitions. [2021-06-11 09:55:33,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 25 transitions, 195 flow [2021-06-11 09:55:33,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 25 transitions, 176 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-06-11 09:55:33,306 INFO L241 Difference]: Finished difference. Result has 28 places, 20 transitions, 146 flow [2021-06-11 09:55:33,306 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=146, PETRI_PLACES=28, PETRI_TRANSITIONS=20} [2021-06-11 09:55:33,306 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 13 predicate places. [2021-06-11 09:55:33,307 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:33,307 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 20 transitions, 146 flow [2021-06-11 09:55:33,307 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 20 transitions, 146 flow [2021-06-11 09:55:33,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 20 transitions, 146 flow [2021-06-11 09:55:33,323 INFO L129 PetriNetUnfolder]: 16/46 cut-off events. [2021-06-11 09:55:33,324 INFO L130 PetriNetUnfolder]: For 86/87 co-relation queries the response was YES. [2021-06-11 09:55:33,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 46 events. 16/46 cut-off events. For 86/87 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 116 event pairs, 1 based on Foata normal form. 1/47 useless extension candidates. Maximal degree in co-relation 155. Up to 24 conditions per place. [2021-06-11 09:55:33,326 INFO L151 LiptonReduction]: Number of co-enabled transitions 20 [2021-06-11 09:55:33,328 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:33,328 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:33,328 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-06-11 09:55:33,329 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 20 transitions, 146 flow [2021-06-11 09:55:33,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:33,329 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:33,329 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:33,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:33,552 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:33,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:33,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1843803025, now seen corresponding path program 2 times [2021-06-11 09:55:33,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:33,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725348952] [2021-06-11 09:55:33,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:33,592 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:55:33,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:33,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:33,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:33,616 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:33,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:33,629 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:33,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:33,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:33,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725348952] [2021-06-11 09:55:33,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83704729] [2021-06-11 09:55:33,640 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:33,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:55:33,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:33,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-11 09:55:33,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:33,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:33,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:33,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:33,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:33,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:33,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:33,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:33,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:33,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,698 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-06-11 09:55:33,698 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-11 09:55:33,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:33,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:33,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:33,715 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-06-11 09:55:33,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:33,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:33,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:55:33,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:33,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:33,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:33,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:33,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:33,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:33,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:33,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,756 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size 32 [2021-06-11 09:55:33,757 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:55:33,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:33,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:33,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:33,778 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 09:55:33,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:33,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:33,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:33,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:33,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,790 INFO L147 QuantifierPusher]: treesize reduction -4, result has 106.7 percent of original size 64 [2021-06-11 09:55:33,791 INFO L142 QuantifierPusher]: treesize reduction -4, result has 106.7 percent of original size [2021-06-11 09:55:33,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-11 09:55:33,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:33,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:33,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:33,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:33,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:33,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:33,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:33,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:33,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-11 09:55:33,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905771239] [2021-06-11 09:55:33,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 09:55:33,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:33,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 09:55:33,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-06-11 09:55:33,836 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 24 [2021-06-11 09:55:33,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 146 flow. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:33,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:33,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 24 [2021-06-11 09:55:33,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:33,943 INFO L129 PetriNetUnfolder]: 18/47 cut-off events. [2021-06-11 09:55:33,944 INFO L130 PetriNetUnfolder]: For 105/105 co-relation queries the response was YES. [2021-06-11 09:55:33,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 47 events. 18/47 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 111 event pairs, 1 based on Foata normal form. 1/48 useless extension candidates. Maximal degree in co-relation 197. Up to 32 conditions per place. [2021-06-11 09:55:33,944 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 11 selfloop transitions, 8 changer transitions 1/24 dead transitions. [2021-06-11 09:55:33,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 24 transitions, 220 flow [2021-06-11 09:55:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 09:55:33,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 09:55:33,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 85 transitions. [2021-06-11 09:55:33,946 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5059523809523809 [2021-06-11 09:55:33,946 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 85 transitions. [2021-06-11 09:55:33,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 85 transitions. [2021-06-11 09:55:33,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:33,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 85 transitions. [2021-06-11 09:55:33,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:33,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:33,947 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:33,947 INFO L185 Difference]: Start difference. First operand has 27 places, 20 transitions, 146 flow. Second operand 7 states and 85 transitions. [2021-06-11 09:55:33,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 24 transitions, 220 flow [2021-06-11 09:55:33,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 24 transitions, 189 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-06-11 09:55:33,950 INFO L241 Difference]: Finished difference. Result has 33 places, 23 transitions, 171 flow [2021-06-11 09:55:33,950 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=171, PETRI_PLACES=33, PETRI_TRANSITIONS=23} [2021-06-11 09:55:33,950 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 18 predicate places. [2021-06-11 09:55:33,950 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:33,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 23 transitions, 171 flow [2021-06-11 09:55:33,950 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 23 transitions, 171 flow [2021-06-11 09:55:33,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 23 transitions, 171 flow [2021-06-11 09:55:33,954 INFO L129 PetriNetUnfolder]: 16/41 cut-off events. [2021-06-11 09:55:33,954 INFO L130 PetriNetUnfolder]: For 70/71 co-relation queries the response was YES. [2021-06-11 09:55:33,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 41 events. 16/41 cut-off events. For 70/71 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 80 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 147. Up to 22 conditions per place. [2021-06-11 09:55:33,955 INFO L151 LiptonReduction]: Number of co-enabled transitions 22 [2021-06-11 09:55:33,957 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:33,957 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:33,957 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-06-11 09:55:33,957 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 23 transitions, 171 flow [2021-06-11 09:55:33,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:33,957 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:33,958 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:34,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:34,173 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:34,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:34,173 INFO L82 PathProgramCache]: Analyzing trace with hash 95913399, now seen corresponding path program 3 times [2021-06-11 09:55:34,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:34,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297298898] [2021-06-11 09:55:34,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:34,197 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:55:34,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:34,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:34,210 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-06-11 09:55:34,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:34,224 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-06-11 09:55:34,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:34,239 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:34,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:34,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:34,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297298898] [2021-06-11 09:55:34,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697026373] [2021-06-11 09:55:34,248 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 09:55:34,284 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 09:55:34,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:34,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-11 09:55:34,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:34,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:34,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:34,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:34,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:34,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:34,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:34,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:34,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:34,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:34,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:34,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:34,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:34,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:34,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:34,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:34,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:34,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,325 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-06-11 09:55:34,326 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-06-11 09:55:34,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:34,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:34,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:34,345 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-06-11 09:55:34,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 09:55:34,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:34,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:34,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 09:55:34,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:34,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:34,375 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 09:55:34,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:34,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:34,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:34,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:34,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,389 INFO L147 QuantifierPusher]: treesize reduction -4, result has 106.7 percent of original size 64 [2021-06-11 09:55:34,391 INFO L142 QuantifierPusher]: treesize reduction -4, result has 106.7 percent of original size [2021-06-11 09:55:34,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-11 09:55:34,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:34,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:34,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:34,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:34,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:34,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:34,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:34,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:34,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:34,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:34,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-11 09:55:34,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298355635] [2021-06-11 09:55:34,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 09:55:34,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:34,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 09:55:34,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-06-11 09:55:34,430 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 24 [2021-06-11 09:55:34,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 23 transitions, 171 flow. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:34,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:34,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 24 [2021-06-11 09:55:34,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:34,559 INFO L129 PetriNetUnfolder]: 18/44 cut-off events. [2021-06-11 09:55:34,559 INFO L130 PetriNetUnfolder]: For 108/108 co-relation queries the response was YES. [2021-06-11 09:55:34,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 44 events. 18/44 cut-off events. For 108/108 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 90 event pairs, 1 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 196. Up to 27 conditions per place. [2021-06-11 09:55:34,560 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 9 selfloop transitions, 12 changer transitions 1/26 dead transitions. [2021-06-11 09:55:34,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 26 transitions, 238 flow [2021-06-11 09:55:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 09:55:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 09:55:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 88 transitions. [2021-06-11 09:55:34,561 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5238095238095238 [2021-06-11 09:55:34,561 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 88 transitions. [2021-06-11 09:55:34,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 88 transitions. [2021-06-11 09:55:34,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:34,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 88 transitions. [2021-06-11 09:55:34,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:34,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:34,562 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:34,562 INFO L185 Difference]: Start difference. First operand has 32 places, 23 transitions, 171 flow. Second operand 7 states and 88 transitions. [2021-06-11 09:55:34,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 26 transitions, 238 flow [2021-06-11 09:55:34,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 26 transitions, 212 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-06-11 09:55:34,565 INFO L241 Difference]: Finished difference. Result has 37 places, 25 transitions, 201 flow [2021-06-11 09:55:34,565 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=201, PETRI_PLACES=37, PETRI_TRANSITIONS=25} [2021-06-11 09:55:34,565 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 22 predicate places. [2021-06-11 09:55:34,565 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:34,566 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 25 transitions, 201 flow [2021-06-11 09:55:34,566 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 25 transitions, 201 flow [2021-06-11 09:55:34,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 25 transitions, 201 flow [2021-06-11 09:55:34,569 INFO L129 PetriNetUnfolder]: 16/37 cut-off events. [2021-06-11 09:55:34,569 INFO L130 PetriNetUnfolder]: For 98/100 co-relation queries the response was YES. [2021-06-11 09:55:34,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 37 events. 16/37 cut-off events. For 98/100 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 75 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 152. Up to 21 conditions per place. [2021-06-11 09:55:34,570 INFO L151 LiptonReduction]: Number of co-enabled transitions 22 [2021-06-11 09:55:34,572 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:34,572 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:34,572 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-06-11 09:55:34,573 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 25 transitions, 201 flow [2021-06-11 09:55:34,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:34,573 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:34,573 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:34,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-11 09:55:34,789 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:34,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:34,789 INFO L82 PathProgramCache]: Analyzing trace with hash -675203597, now seen corresponding path program 2 times [2021-06-11 09:55:34,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:34,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289343251] [2021-06-11 09:55:34,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:34,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:34,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:34,848 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-06-11 09:55:34,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:34,878 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-11 09:55:34,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:34,897 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:34,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289343251] [2021-06-11 09:55:34,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395416514] [2021-06-11 09:55:34,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:34,927 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:55:34,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:34,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-11 09:55:34,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:34,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:34,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:34,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:34,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:34,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:34,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:34,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:34,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:34,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:34,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:34,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:34,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:34,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,960 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:55:34,961 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:55:34,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:34,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:34,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:34,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:34,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:34,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:34,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:34,978 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-06-11 09:55:34,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:34,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:34,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:34,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:34,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:34,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:34,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:34,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:34,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:34,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:34,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:34,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:34,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,004 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:35,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:35,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-06-11 09:55:35,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452762544] [2021-06-11 09:55:35,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 09:55:35,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:35,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 09:55:35,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-11 09:55:35,006 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-06-11 09:55:35,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 25 transitions, 201 flow. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:35,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:35,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-06-11 09:55:35,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:35,133 INFO L129 PetriNetUnfolder]: 19/45 cut-off events. [2021-06-11 09:55:35,133 INFO L130 PetriNetUnfolder]: For 151/155 co-relation queries the response was YES. [2021-06-11 09:55:35,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 234 conditions, 45 events. 19/45 cut-off events. For 151/155 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 100 event pairs, 0 based on Foata normal form. 1/46 useless extension candidates. Maximal degree in co-relation 215. Up to 27 conditions per place. [2021-06-11 09:55:35,134 INFO L132 encePairwiseOnDemand]: 19/24 looper letters, 12 selfloop transitions, 8 changer transitions 2/29 dead transitions. [2021-06-11 09:55:35,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 29 transitions, 287 flow [2021-06-11 09:55:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 09:55:35,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 09:55:35,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 92 transitions. [2021-06-11 09:55:35,135 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6388888888888888 [2021-06-11 09:55:35,135 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 92 transitions. [2021-06-11 09:55:35,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 92 transitions. [2021-06-11 09:55:35,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:35,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 92 transitions. [2021-06-11 09:55:35,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:35,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:35,137 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:35,137 INFO L185 Difference]: Start difference. First operand has 36 places, 25 transitions, 201 flow. Second operand 6 states and 92 transitions. [2021-06-11 09:55:35,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 29 transitions, 287 flow [2021-06-11 09:55:35,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 29 transitions, 246 flow, removed 13 selfloop flow, removed 4 redundant places. [2021-06-11 09:55:35,139 INFO L241 Difference]: Finished difference. Result has 39 places, 27 transitions, 211 flow [2021-06-11 09:55:35,139 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=211, PETRI_PLACES=39, PETRI_TRANSITIONS=27} [2021-06-11 09:55:35,140 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 24 predicate places. [2021-06-11 09:55:35,140 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:35,140 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 27 transitions, 211 flow [2021-06-11 09:55:35,140 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 27 transitions, 211 flow [2021-06-11 09:55:35,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 27 transitions, 211 flow [2021-06-11 09:55:35,144 INFO L129 PetriNetUnfolder]: 18/42 cut-off events. [2021-06-11 09:55:35,144 INFO L130 PetriNetUnfolder]: For 112/115 co-relation queries the response was YES. [2021-06-11 09:55:35,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 42 events. 18/42 cut-off events. For 112/115 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 102 event pairs, 0 based on Foata normal form. 1/43 useless extension candidates. Maximal degree in co-relation 172. Up to 20 conditions per place. [2021-06-11 09:55:35,145 INFO L151 LiptonReduction]: Number of co-enabled transitions 26 [2021-06-11 09:55:35,147 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:35,147 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:35,147 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-06-11 09:55:35,148 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 211 flow [2021-06-11 09:55:35,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:35,148 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:35,148 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:35,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:35,361 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:35,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:35,361 INFO L82 PathProgramCache]: Analyzing trace with hash 841673211, now seen corresponding path program 2 times [2021-06-11 09:55:35,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:35,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030106514] [2021-06-11 09:55:35,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:35,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:35,406 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-06-11 09:55:35,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:35,437 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-11 09:55:35,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:35,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030106514] [2021-06-11 09:55:35,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374952646] [2021-06-11 09:55:35,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:35,477 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:55:35,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:35,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-11 09:55:35,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:35,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:35,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:35,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:35,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:35,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:35,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:35,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:35,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:35,541 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-06-11 09:55:35,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:35,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:35,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:35,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:35,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:35,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:35,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:35,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:35,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:35,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-06-11 09:55:35,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650768360] [2021-06-11 09:55:35,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 09:55:35,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:35,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 09:55:35,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-11 09:55:35,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 24 [2021-06-11 09:55:35,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 211 flow. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:35,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:35,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 24 [2021-06-11 09:55:35,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:35,751 INFO L129 PetriNetUnfolder]: 21/52 cut-off events. [2021-06-11 09:55:35,751 INFO L130 PetriNetUnfolder]: For 168/170 co-relation queries the response was YES. [2021-06-11 09:55:35,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 269 conditions, 52 events. 21/52 cut-off events. For 168/170 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 130 event pairs, 1 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 249. Up to 32 conditions per place. [2021-06-11 09:55:35,754 INFO L132 encePairwiseOnDemand]: 19/24 looper letters, 16 selfloop transitions, 7 changer transitions 2/31 dead transitions. [2021-06-11 09:55:35,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 31 transitions, 307 flow [2021-06-11 09:55:35,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 09:55:35,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 09:55:35,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 92 transitions. [2021-06-11 09:55:35,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6388888888888888 [2021-06-11 09:55:35,756 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 92 transitions. [2021-06-11 09:55:35,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 92 transitions. [2021-06-11 09:55:35,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:35,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 92 transitions. [2021-06-11 09:55:35,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:35,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:35,758 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:35,758 INFO L185 Difference]: Start difference. First operand has 38 places, 27 transitions, 211 flow. Second operand 6 states and 92 transitions. [2021-06-11 09:55:35,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 31 transitions, 307 flow [2021-06-11 09:55:35,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 31 transitions, 282 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-06-11 09:55:35,762 INFO L241 Difference]: Finished difference. Result has 41 places, 29 transitions, 235 flow [2021-06-11 09:55:35,762 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=235, PETRI_PLACES=41, PETRI_TRANSITIONS=29} [2021-06-11 09:55:35,762 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 26 predicate places. [2021-06-11 09:55:35,762 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:35,763 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 29 transitions, 235 flow [2021-06-11 09:55:35,763 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 29 transitions, 235 flow [2021-06-11 09:55:35,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 235 flow [2021-06-11 09:55:35,768 INFO L129 PetriNetUnfolder]: 20/46 cut-off events. [2021-06-11 09:55:35,769 INFO L130 PetriNetUnfolder]: For 156/160 co-relation queries the response was YES. [2021-06-11 09:55:35,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 46 events. 20/46 cut-off events. For 156/160 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 116 event pairs, 1 based on Foata normal form. 1/47 useless extension candidates. Maximal degree in co-relation 201. Up to 21 conditions per place. [2021-06-11 09:55:35,770 INFO L151 LiptonReduction]: Number of co-enabled transitions 26 [2021-06-11 09:55:35,774 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:35,775 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:35,775 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-06-11 09:55:35,775 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 235 flow [2021-06-11 09:55:35,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 9 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:35,776 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:35,776 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:35,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:35,997 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:35,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:35,997 INFO L82 PathProgramCache]: Analyzing trace with hash 872265685, now seen corresponding path program 4 times [2021-06-11 09:55:35,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:35,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764306187] [2021-06-11 09:55:35,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:36,015 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 09:55:36,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:36,021 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-11 09:55:36,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:36,030 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-11 09:55:36,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:36,039 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:36,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:36,049 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:36,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:36,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764306187] [2021-06-11 09:55:36,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855198977] [2021-06-11 09:55:36,059 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:36,077 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:55:36,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:36,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-11 09:55:36,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:36,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,106 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:55:36,106 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:55:36,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:36,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:36,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:36,124 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-06-11 09:55:36,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:36,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:36,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:36,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:36,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:36,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:36,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,146 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size 32 [2021-06-11 09:55:36,148 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:55:36,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:36,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:36,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:36,169 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 09:55:36,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:36,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:36,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:36,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:36,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,178 INFO L147 QuantifierPusher]: treesize reduction -4, result has 106.7 percent of original size 64 [2021-06-11 09:55:36,179 INFO L142 QuantifierPusher]: treesize reduction -4, result has 106.7 percent of original size [2021-06-11 09:55:36,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-11 09:55:36,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:36,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:36,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-06-11 09:55:36,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618149363] [2021-06-11 09:55:36,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 09:55:36,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:36,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 09:55:36,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-06-11 09:55:36,220 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 24 [2021-06-11 09:55:36,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 235 flow. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:36,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:36,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 24 [2021-06-11 09:55:36,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:36,312 INFO L129 PetriNetUnfolder]: 22/53 cut-off events. [2021-06-11 09:55:36,312 INFO L130 PetriNetUnfolder]: For 218/218 co-relation queries the response was YES. [2021-06-11 09:55:36,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 53 events. 22/53 cut-off events. For 218/218 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 126 event pairs, 1 based on Foata normal form. 1/54 useless extension candidates. Maximal degree in co-relation 274. Up to 39 conditions per place. [2021-06-11 09:55:36,313 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 20 selfloop transitions, 8 changer transitions 1/33 dead transitions. [2021-06-11 09:55:36,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 33 transitions, 335 flow [2021-06-11 09:55:36,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 09:55:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 09:55:36,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 85 transitions. [2021-06-11 09:55:36,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5059523809523809 [2021-06-11 09:55:36,314 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 85 transitions. [2021-06-11 09:55:36,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 85 transitions. [2021-06-11 09:55:36,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:36,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 85 transitions. [2021-06-11 09:55:36,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:36,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:36,315 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:36,315 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 235 flow. Second operand 7 states and 85 transitions. [2021-06-11 09:55:36,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 33 transitions, 335 flow [2021-06-11 09:55:36,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 33 transitions, 306 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-06-11 09:55:36,318 INFO L241 Difference]: Finished difference. Result has 45 places, 32 transitions, 266 flow [2021-06-11 09:55:36,318 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=266, PETRI_PLACES=45, PETRI_TRANSITIONS=32} [2021-06-11 09:55:36,318 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 30 predicate places. [2021-06-11 09:55:36,318 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:36,318 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 32 transitions, 266 flow [2021-06-11 09:55:36,318 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 32 transitions, 266 flow [2021-06-11 09:55:36,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 32 transitions, 266 flow [2021-06-11 09:55:36,322 INFO L129 PetriNetUnfolder]: 20/47 cut-off events. [2021-06-11 09:55:36,322 INFO L130 PetriNetUnfolder]: For 180/182 co-relation queries the response was YES. [2021-06-11 09:55:36,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 47 events. 20/47 cut-off events. For 180/182 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 119 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 210. Up to 22 conditions per place. [2021-06-11 09:55:36,323 INFO L151 LiptonReduction]: Number of co-enabled transitions 26 [2021-06-11 09:55:36,325 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:36,325 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:36,326 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-06-11 09:55:36,326 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 32 transitions, 266 flow [2021-06-11 09:55:36,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:36,326 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:36,326 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:36,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-11 09:55:36,541 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:36,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:36,541 INFO L82 PathProgramCache]: Analyzing trace with hash 956276305, now seen corresponding path program 5 times [2021-06-11 09:55:36,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:36,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973581971] [2021-06-11 09:55:36,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:36,569 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 09:55:36,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:36,574 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-11 09:55:36,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:36,581 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-06-11 09:55:36,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:36,596 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-06-11 09:55:36,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:36,606 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:36,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:36,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:36,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973581971] [2021-06-11 09:55:36,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870827962] [2021-06-11 09:55:36,615 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 09:55:36,646 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 09:55:36,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:36,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-11 09:55:36,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:36,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:36,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:36,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:36,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:36,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:36,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,681 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size 32 [2021-06-11 09:55:36,681 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-06-11 09:55:36,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:36,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:36,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:36,700 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-06-11 09:55:36,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 09:55:36,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:36,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:36,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 09:55:36,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:36,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:36,722 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 09:55:36,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:36,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:36,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:36,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:36,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,731 INFO L147 QuantifierPusher]: treesize reduction -4, result has 106.7 percent of original size 64 [2021-06-11 09:55:36,731 INFO L142 QuantifierPusher]: treesize reduction -4, result has 106.7 percent of original size [2021-06-11 09:55:36,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-11 09:55:36,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:36,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:36,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:36,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:36,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-06-11 09:55:36,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866559743] [2021-06-11 09:55:36,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 09:55:36,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:36,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 09:55:36,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-06-11 09:55:36,768 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 24 [2021-06-11 09:55:36,769 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 32 transitions, 266 flow. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:36,769 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:36,769 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 24 [2021-06-11 09:55:36,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:36,898 INFO L129 PetriNetUnfolder]: 24/62 cut-off events. [2021-06-11 09:55:36,898 INFO L130 PetriNetUnfolder]: For 330/330 co-relation queries the response was YES. [2021-06-11 09:55:36,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 62 events. 24/62 cut-off events. For 330/330 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 179 event pairs, 2 based on Foata normal form. 1/63 useless extension candidates. Maximal degree in co-relation 337. Up to 42 conditions per place. [2021-06-11 09:55:36,899 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 23 selfloop transitions, 11 changer transitions 1/39 dead transitions. [2021-06-11 09:55:36,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 39 transitions, 422 flow [2021-06-11 09:55:36,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 09:55:36,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 09:55:36,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 89 transitions. [2021-06-11 09:55:36,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5297619047619048 [2021-06-11 09:55:36,900 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 89 transitions. [2021-06-11 09:55:36,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 89 transitions. [2021-06-11 09:55:36,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:36,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 89 transitions. [2021-06-11 09:55:36,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:36,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:36,903 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:36,903 INFO L185 Difference]: Start difference. First operand has 44 places, 32 transitions, 266 flow. Second operand 7 states and 89 transitions. [2021-06-11 09:55:36,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 39 transitions, 422 flow [2021-06-11 09:55:36,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 39 transitions, 376 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-06-11 09:55:36,908 INFO L241 Difference]: Finished difference. Result has 49 places, 36 transitions, 320 flow [2021-06-11 09:55:36,908 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=320, PETRI_PLACES=49, PETRI_TRANSITIONS=36} [2021-06-11 09:55:36,909 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 34 predicate places. [2021-06-11 09:55:36,909 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:36,909 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 36 transitions, 320 flow [2021-06-11 09:55:36,909 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 36 transitions, 320 flow [2021-06-11 09:55:36,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 36 transitions, 320 flow [2021-06-11 09:55:36,914 INFO L129 PetriNetUnfolder]: 23/60 cut-off events. [2021-06-11 09:55:36,914 INFO L130 PetriNetUnfolder]: For 378/378 co-relation queries the response was YES. [2021-06-11 09:55:36,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 60 events. 23/60 cut-off events. For 378/378 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 171 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 285. Up to 24 conditions per place. [2021-06-11 09:55:36,915 INFO L151 LiptonReduction]: Number of co-enabled transitions 28 [2021-06-11 09:55:36,919 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:36,919 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:36,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-06-11 09:55:36,920 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 36 transitions, 320 flow [2021-06-11 09:55:36,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:36,920 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:36,920 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:37,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:37,121 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:37,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:37,121 INFO L82 PathProgramCache]: Analyzing trace with hash 955382575, now seen corresponding path program 6 times [2021-06-11 09:55:37,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:37,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101561609] [2021-06-11 09:55:37,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:37,135 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-06-11 09:55:37,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:37,140 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-11 09:55:37,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:37,148 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size [2021-06-11 09:55:37,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:37,161 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:37,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:37,179 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:37,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:37,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:37,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101561609] [2021-06-11 09:55:37,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446053974] [2021-06-11 09:55:37,189 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:37,209 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-11 09:55:37,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:37,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-11 09:55:37,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:37,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:37,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:37,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:37,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:37,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:37,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:37,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:37,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:37,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:37,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:37,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:37,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:37,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,232 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:55:37,232 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:55:37,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:37,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:37,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:37,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,246 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size 32 [2021-06-11 09:55:37,247 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-06-11 09:55:37,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:37,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:37,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:37,262 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-06-11 09:55:37,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 09:55:37,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:37,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:37,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 09:55:37,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:37,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:37,282 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 09:55:37,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:37,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:37,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:37,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,287 INFO L147 QuantifierPusher]: treesize reduction -4, result has 106.7 percent of original size 64 [2021-06-11 09:55:37,288 INFO L142 QuantifierPusher]: treesize reduction -4, result has 106.7 percent of original size [2021-06-11 09:55:37,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-11 09:55:37,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:37,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:37,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:37,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:37,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:37,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:37,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:37,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:37,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:37,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:37,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-06-11 09:55:37,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722232164] [2021-06-11 09:55:37,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-11 09:55:37,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:37,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-11 09:55:37,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-06-11 09:55:37,329 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 24 [2021-06-11 09:55:37,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 36 transitions, 320 flow. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:37,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:37,329 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 24 [2021-06-11 09:55:37,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:37,468 INFO L129 PetriNetUnfolder]: 25/60 cut-off events. [2021-06-11 09:55:37,468 INFO L130 PetriNetUnfolder]: For 449/449 co-relation queries the response was YES. [2021-06-11 09:55:37,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 60 events. 25/60 cut-off events. For 449/449 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 168 event pairs, 2 based on Foata normal form. 1/61 useless extension candidates. Maximal degree in co-relation 346. Up to 42 conditions per place. [2021-06-11 09:55:37,469 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 22 selfloop transitions, 12 changer transitions 1/39 dead transitions. [2021-06-11 09:55:37,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 39 transitions, 441 flow [2021-06-11 09:55:37,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 09:55:37,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 09:55:37,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 88 transitions. [2021-06-11 09:55:37,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5238095238095238 [2021-06-11 09:55:37,470 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 88 transitions. [2021-06-11 09:55:37,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 88 transitions. [2021-06-11 09:55:37,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:37,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 88 transitions. [2021-06-11 09:55:37,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:37,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:37,471 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 24.0) internal successors, (192), 8 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:37,471 INFO L185 Difference]: Start difference. First operand has 48 places, 36 transitions, 320 flow. Second operand 7 states and 88 transitions. [2021-06-11 09:55:37,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 39 transitions, 441 flow [2021-06-11 09:55:37,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 39 transitions, 368 flow, removed 33 selfloop flow, removed 3 redundant places. [2021-06-11 09:55:37,474 INFO L241 Difference]: Finished difference. Result has 54 places, 38 transitions, 329 flow [2021-06-11 09:55:37,475 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=329, PETRI_PLACES=54, PETRI_TRANSITIONS=38} [2021-06-11 09:55:37,475 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 39 predicate places. [2021-06-11 09:55:37,475 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:37,475 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 38 transitions, 329 flow [2021-06-11 09:55:37,475 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 38 transitions, 329 flow [2021-06-11 09:55:37,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 38 transitions, 329 flow [2021-06-11 09:55:37,480 INFO L129 PetriNetUnfolder]: 22/54 cut-off events. [2021-06-11 09:55:37,480 INFO L130 PetriNetUnfolder]: For 262/262 co-relation queries the response was YES. [2021-06-11 09:55:37,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 54 events. 22/54 cut-off events. For 262/262 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 157 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 261. Up to 22 conditions per place. [2021-06-11 09:55:37,481 INFO L151 LiptonReduction]: Number of co-enabled transitions 28 [2021-06-11 09:55:37,484 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:37,484 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:37,484 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-06-11 09:55:37,484 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 38 transitions, 329 flow [2021-06-11 09:55:37,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:37,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:37,485 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:37,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:37,697 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:37,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:37,697 INFO L82 PathProgramCache]: Analyzing trace with hash 514897681, now seen corresponding path program 7 times [2021-06-11 09:55:37,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:37,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136672781] [2021-06-11 09:55:37,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:37,722 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:37,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:37,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:37,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:37,763 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:37,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:37,777 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:55:37,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:37,789 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:37,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:37,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136672781] [2021-06-11 09:55:37,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839657892] [2021-06-11 09:55:37,799 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:37,823 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:37,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:37,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:37,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:37,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:37,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:37,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:37,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:37,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:37,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:37,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,832 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:55:37,833 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:55:37,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:37,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:37,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:37,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:37,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:37,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:37,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:37,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:37,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:37,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:37,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:37,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,867 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size 39 [2021-06-11 09:55:37,867 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-06-11 09:55:37,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:55:37,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:55:37,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:55:37,889 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-06-11 09:55:37,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:37,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:37,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:37,893 INFO L147 QuantifierPusher]: treesize reduction 5, result has 91.1 percent of original size 51 [2021-06-11 09:55:37,894 INFO L142 QuantifierPusher]: treesize reduction 5, result has 91.1 percent of original size [2021-06-11 09:55:37,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:37,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:37,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:37,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:37,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:37,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:37,919 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-06-11 09:55:37,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 09:55:37,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:37,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:37,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:55:37,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:37,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:37,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:37,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:37,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:37,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:37,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:37,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:37,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 09:55:37,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257264996] [2021-06-11 09:55:37,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 09:55:37,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:37,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 09:55:37,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-11 09:55:37,955 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 24 [2021-06-11 09:55:37,955 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 38 transitions, 329 flow. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:37,955 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:37,955 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 24 [2021-06-11 09:55:37,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:38,124 INFO L129 PetriNetUnfolder]: 28/75 cut-off events. [2021-06-11 09:55:38,124 INFO L130 PetriNetUnfolder]: For 533/533 co-relation queries the response was YES. [2021-06-11 09:55:38,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 452 conditions, 75 events. 28/75 cut-off events. For 533/533 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 240 event pairs, 1 based on Foata normal form. 1/76 useless extension candidates. Maximal degree in co-relation 418. Up to 47 conditions per place. [2021-06-11 09:55:38,125 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 30 selfloop transitions, 12 changer transitions 1/47 dead transitions. [2021-06-11 09:55:38,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 47 transitions, 531 flow [2021-06-11 09:55:38,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 09:55:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 09:55:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 103 transitions. [2021-06-11 09:55:38,127 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5364583333333334 [2021-06-11 09:55:38,127 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 103 transitions. [2021-06-11 09:55:38,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 103 transitions. [2021-06-11 09:55:38,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:38,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 103 transitions. [2021-06-11 09:55:38,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:38,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:38,128 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:38,129 INFO L185 Difference]: Start difference. First operand has 53 places, 38 transitions, 329 flow. Second operand 8 states and 103 transitions. [2021-06-11 09:55:38,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 47 transitions, 531 flow [2021-06-11 09:55:38,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 47 transitions, 478 flow, removed 19 selfloop flow, removed 4 redundant places. [2021-06-11 09:55:38,132 INFO L241 Difference]: Finished difference. Result has 59 places, 42 transitions, 386 flow [2021-06-11 09:55:38,133 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=386, PETRI_PLACES=59, PETRI_TRANSITIONS=42} [2021-06-11 09:55:38,133 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 44 predicate places. [2021-06-11 09:55:38,133 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:38,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 42 transitions, 386 flow [2021-06-11 09:55:38,133 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 42 transitions, 386 flow [2021-06-11 09:55:38,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 42 transitions, 386 flow [2021-06-11 09:55:38,139 INFO L129 PetriNetUnfolder]: 25/69 cut-off events. [2021-06-11 09:55:38,139 INFO L130 PetriNetUnfolder]: For 481/481 co-relation queries the response was YES. [2021-06-11 09:55:38,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 69 events. 25/69 cut-off events. For 481/481 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 217 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 346. Up to 25 conditions per place. [2021-06-11 09:55:38,140 INFO L151 LiptonReduction]: Number of co-enabled transitions 32 [2021-06-11 09:55:38,144 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:38,144 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:38,144 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-06-11 09:55:38,145 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 42 transitions, 386 flow [2021-06-11 09:55:38,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:38,145 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:38,145 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:38,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-11 09:55:38,361 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:38,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:38,361 INFO L82 PathProgramCache]: Analyzing trace with hash 569800785, now seen corresponding path program 8 times [2021-06-11 09:55:38,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:38,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710747436] [2021-06-11 09:55:38,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:38,379 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:38,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:38,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:38,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:38,410 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:55:38,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:38,421 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:38,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:38,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710747436] [2021-06-11 09:55:38,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876215916] [2021-06-11 09:55:38,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:38,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:55:38,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:38,448 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:38,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:38,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:38,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:38,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:38,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:38,488 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:55:38,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:38,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:38,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:38,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:38,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:38,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:38,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:38,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:38,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:38,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:38,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,520 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:55:38,521 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-11 09:55:38,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:38,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:38,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:38,535 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:55:38,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:38,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:38,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:38,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:38,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:38,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:38,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:38,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:38,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:38,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:38,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:38,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:38,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:38,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:38,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:38,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 09:55:38,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241804213] [2021-06-11 09:55:38,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 09:55:38,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:38,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 09:55:38,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-06-11 09:55:38,569 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 24 [2021-06-11 09:55:38,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 42 transitions, 386 flow. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:38,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:38,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 24 [2021-06-11 09:55:38,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:38,718 INFO L129 PetriNetUnfolder]: 28/75 cut-off events. [2021-06-11 09:55:38,718 INFO L130 PetriNetUnfolder]: For 572/572 co-relation queries the response was YES. [2021-06-11 09:55:38,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 473 conditions, 75 events. 28/75 cut-off events. For 572/572 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 240 event pairs, 1 based on Foata normal form. 2/77 useless extension candidates. Maximal degree in co-relation 440. Up to 52 conditions per place. [2021-06-11 09:55:38,719 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 30 selfloop transitions, 12 changer transitions 2/48 dead transitions. [2021-06-11 09:55:38,719 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 48 transitions, 568 flow [2021-06-11 09:55:38,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 09:55:38,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 09:55:38,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 121 transitions. [2021-06-11 09:55:38,721 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5041666666666667 [2021-06-11 09:55:38,721 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 121 transitions. [2021-06-11 09:55:38,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 121 transitions. [2021-06-11 09:55:38,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:38,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 121 transitions. [2021-06-11 09:55:38,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 12.1) internal successors, (121), 10 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:38,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:38,722 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:38,722 INFO L185 Difference]: Start difference. First operand has 58 places, 42 transitions, 386 flow. Second operand 10 states and 121 transitions. [2021-06-11 09:55:38,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 48 transitions, 568 flow [2021-06-11 09:55:38,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 48 transitions, 499 flow, removed 29 selfloop flow, removed 4 redundant places. [2021-06-11 09:55:38,726 INFO L241 Difference]: Finished difference. Result has 68 places, 46 transitions, 425 flow [2021-06-11 09:55:38,727 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=425, PETRI_PLACES=68, PETRI_TRANSITIONS=46} [2021-06-11 09:55:38,727 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 53 predicate places. [2021-06-11 09:55:38,727 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:38,727 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 46 transitions, 425 flow [2021-06-11 09:55:38,727 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 46 transitions, 425 flow [2021-06-11 09:55:38,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 46 transitions, 425 flow [2021-06-11 09:55:38,734 INFO L129 PetriNetUnfolder]: 26/68 cut-off events. [2021-06-11 09:55:38,734 INFO L130 PetriNetUnfolder]: For 473/479 co-relation queries the response was YES. [2021-06-11 09:55:38,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 68 events. 26/68 cut-off events. For 473/479 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 218 event pairs, 0 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 339. Up to 24 conditions per place. [2021-06-11 09:55:38,734 INFO L151 LiptonReduction]: Number of co-enabled transitions 36 [2021-06-11 09:55:38,738 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:38,738 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:38,739 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 09:55:38,739 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 46 transitions, 425 flow [2021-06-11 09:55:38,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:38,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:38,739 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:38,961 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-11 09:55:38,961 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:38,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:38,961 INFO L82 PathProgramCache]: Analyzing trace with hash -2096039031, now seen corresponding path program 9 times [2021-06-11 09:55:38,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:38,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568035242] [2021-06-11 09:55:38,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:38,983 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:38,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:38,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:38,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:38,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:39,008 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:39,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:39,022 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-06-11 09:55:39,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:39,034 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:39,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:39,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568035242] [2021-06-11 09:55:39,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984339582] [2021-06-11 09:55:39,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:39,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 09:55:39,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:39,060 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:39,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:39,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,079 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:55:39,080 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:55:39,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:39,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:39,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:39,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,098 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-06-11 09:55:39,099 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-06-11 09:55:39,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:39,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:39,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:39,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,114 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-11 09:55:39,120 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-11 09:55:39,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:55:39,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:55:39,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:55:39,146 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:55:39,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:39,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:39,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:39,153 INFO L147 QuantifierPusher]: treesize reduction -2, result has 101.9 percent of original size 105 [2021-06-11 09:55:39,154 INFO L142 QuantifierPusher]: treesize reduction -2, result has 101.9 percent of original size [2021-06-11 09:55:39,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-06-11 09:55:39,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-06-11 09:55:39,185 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.9 percent of original size [2021-06-11 09:55:39,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-06-11 09:55:39,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:39,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:39,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:39,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:39,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-06-11 09:55:39,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:39,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:39,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:39,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:39,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:39,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:39,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:39,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:39,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:39,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:39,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:39,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 09:55:39,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909768822] [2021-06-11 09:55:39,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 09:55:39,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:39,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 09:55:39,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-11 09:55:39,252 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 24 [2021-06-11 09:55:39,252 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 46 transitions, 425 flow. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:39,252 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:39,252 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 24 [2021-06-11 09:55:39,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:39,422 INFO L129 PetriNetUnfolder]: 27/68 cut-off events. [2021-06-11 09:55:39,422 INFO L130 PetriNetUnfolder]: For 618/622 co-relation queries the response was YES. [2021-06-11 09:55:39,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 68 events. 27/68 cut-off events. For 618/622 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 215 event pairs, 0 based on Foata normal form. 5/73 useless extension candidates. Maximal degree in co-relation 413. Up to 48 conditions per place. [2021-06-11 09:55:39,424 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 29 selfloop transitions, 15 changer transitions 1/49 dead transitions. [2021-06-11 09:55:39,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 49 transitions, 550 flow [2021-06-11 09:55:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 09:55:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 09:55:39,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 101 transitions. [2021-06-11 09:55:39,425 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5260416666666666 [2021-06-11 09:55:39,425 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 101 transitions. [2021-06-11 09:55:39,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 101 transitions. [2021-06-11 09:55:39,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:39,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 101 transitions. [2021-06-11 09:55:39,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:39,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:39,426 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 24.0) internal successors, (216), 9 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:39,426 INFO L185 Difference]: Start difference. First operand has 66 places, 46 transitions, 425 flow. Second operand 8 states and 101 transitions. [2021-06-11 09:55:39,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 49 transitions, 550 flow [2021-06-11 09:55:39,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 49 transitions, 480 flow, removed 26 selfloop flow, removed 6 redundant places. [2021-06-11 09:55:39,431 INFO L241 Difference]: Finished difference. Result has 70 places, 48 transitions, 429 flow [2021-06-11 09:55:39,431 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=429, PETRI_PLACES=70, PETRI_TRANSITIONS=48} [2021-06-11 09:55:39,431 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 55 predicate places. [2021-06-11 09:55:39,431 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:39,431 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 48 transitions, 429 flow [2021-06-11 09:55:39,431 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 48 transitions, 429 flow [2021-06-11 09:55:39,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 48 transitions, 429 flow [2021-06-11 09:55:39,437 INFO L129 PetriNetUnfolder]: 26/63 cut-off events. [2021-06-11 09:55:39,437 INFO L130 PetriNetUnfolder]: For 485/491 co-relation queries the response was YES. [2021-06-11 09:55:39,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 63 events. 26/63 cut-off events. For 485/491 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 193 event pairs, 1 based on Foata normal form. 1/64 useless extension candidates. Maximal degree in co-relation 316. Up to 21 conditions per place. [2021-06-11 09:55:39,438 INFO L151 LiptonReduction]: Number of co-enabled transitions 36 [2021-06-11 09:55:39,442 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:39,442 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:39,442 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-06-11 09:55:39,442 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 48 transitions, 429 flow [2021-06-11 09:55:39,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:39,443 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:39,443 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:39,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-11 09:55:39,665 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:39,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:39,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1322483755, now seen corresponding path program 10 times [2021-06-11 09:55:39,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:39,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367995802] [2021-06-11 09:55:39,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:39,679 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:39,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:39,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:39,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:39,712 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:39,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:39,724 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:39,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:39,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:39,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367995802] [2021-06-11 09:55:39,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774947645] [2021-06-11 09:55:39,735 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:39,756 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:55:39,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:39,756 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:39,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:39,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:39,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:39,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:39,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:39,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:39,783 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-11 09:55:39,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:39,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:39,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:39,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:39,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:39,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:39,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:39,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:39,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:39,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:39,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,806 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-06-11 09:55:39,807 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size [2021-06-11 09:55:39,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:39,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:39,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:39,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,827 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size 39 [2021-06-11 09:55:39,828 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-06-11 09:55:39,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-11 09:55:39,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-11 09:55:39,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-11 09:55:39,852 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-06-11 09:55:39,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 09:55:39,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:39,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:39,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:39,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:39,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:39,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:39,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:39,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:39,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:39,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:39,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:39,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:39,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:39,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:39,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:39,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:39,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 09:55:39,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886486476] [2021-06-11 09:55:39,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 09:55:39,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:39,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 09:55:39,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-06-11 09:55:39,888 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 24 [2021-06-11 09:55:39,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 48 transitions, 429 flow. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:39,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:39,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 24 [2021-06-11 09:55:39,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:40,105 INFO L129 PetriNetUnfolder]: 28/73 cut-off events. [2021-06-11 09:55:40,106 INFO L130 PetriNetUnfolder]: For 752/752 co-relation queries the response was YES. [2021-06-11 09:55:40,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 487 conditions, 73 events. 28/73 cut-off events. For 752/752 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 228 event pairs, 1 based on Foata normal form. 2/75 useless extension candidates. Maximal degree in co-relation 451. Up to 52 conditions per place. [2021-06-11 09:55:40,107 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 36 selfloop transitions, 5 changer transitions 7/52 dead transitions. [2021-06-11 09:55:40,107 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 52 transitions, 609 flow [2021-06-11 09:55:40,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 09:55:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 09:55:40,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 119 transitions. [2021-06-11 09:55:40,108 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49583333333333335 [2021-06-11 09:55:40,108 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 119 transitions. [2021-06-11 09:55:40,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 119 transitions. [2021-06-11 09:55:40,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:40,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 119 transitions. [2021-06-11 09:55:40,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 11.9) internal successors, (119), 10 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:40,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:40,109 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 24.0) internal successors, (264), 11 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:40,109 INFO L185 Difference]: Start difference. First operand has 69 places, 48 transitions, 429 flow. Second operand 10 states and 119 transitions. [2021-06-11 09:55:40,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 52 transitions, 609 flow [2021-06-11 09:55:40,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 52 transitions, 542 flow, removed 23 selfloop flow, removed 5 redundant places. [2021-06-11 09:55:40,114 INFO L241 Difference]: Finished difference. Result has 77 places, 45 transitions, 367 flow [2021-06-11 09:55:40,114 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=367, PETRI_PLACES=77, PETRI_TRANSITIONS=45} [2021-06-11 09:55:40,115 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 62 predicate places. [2021-06-11 09:55:40,115 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:40,115 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 45 transitions, 367 flow [2021-06-11 09:55:40,115 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 45 transitions, 367 flow [2021-06-11 09:55:40,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 45 transitions, 367 flow [2021-06-11 09:55:40,120 INFO L129 PetriNetUnfolder]: 25/60 cut-off events. [2021-06-11 09:55:40,120 INFO L130 PetriNetUnfolder]: For 526/526 co-relation queries the response was YES. [2021-06-11 09:55:40,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 60 events. 25/60 cut-off events. For 526/526 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 181 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 302. Up to 18 conditions per place. [2021-06-11 09:55:40,121 INFO L151 LiptonReduction]: Number of co-enabled transitions 30 [2021-06-11 09:55:40,124 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:40,125 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:40,125 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-06-11 09:55:40,125 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 45 transitions, 367 flow [2021-06-11 09:55:40,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:40,125 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:40,125 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:40,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:40,341 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:40,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:40,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1351086459, now seen corresponding path program 11 times [2021-06-11 09:55:40,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:40,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420650923] [2021-06-11 09:55:40,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:40,367 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:40,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:40,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:40,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:40,397 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:40,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:40,417 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:55:40,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:40,429 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:40,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:40,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:40,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420650923] [2021-06-11 09:55:40,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354607009] [2021-06-11 09:55:40,438 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:40,457 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 09:55:40,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:40,459 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:40,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:40,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:40,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:40,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:40,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:40,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:40,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:40,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:40,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:40,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:40,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:40,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:40,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:40,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:40,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,485 INFO L147 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size 30 [2021-06-11 09:55:40,485 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size [2021-06-11 09:55:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:40,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:40,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,505 INFO L147 QuantifierPusher]: treesize reduction 3, result has 94.0 percent of original size 47 [2021-06-11 09:55:40,505 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.0 percent of original size [2021-06-11 09:55:40,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:55:40,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:55:40,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:55:40,528 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:55:40,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:40,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:40,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:40,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 09:55:40,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:40,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:40,558 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-06-11 09:55:40,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 09:55:40,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:40,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:40,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:55:40,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:40,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:40,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:40,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:40,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:40,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:40,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:40,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:40,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:40,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:40,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:40,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:40,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 09:55:40,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020908130] [2021-06-11 09:55:40,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 09:55:40,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:40,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 09:55:40,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-06-11 09:55:40,595 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 24 [2021-06-11 09:55:40,595 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 45 transitions, 367 flow. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:40,595 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:40,595 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 24 [2021-06-11 09:55:40,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:40,911 INFO L129 PetriNetUnfolder]: 30/84 cut-off events. [2021-06-11 09:55:40,911 INFO L130 PetriNetUnfolder]: For 1028/1028 co-relation queries the response was YES. [2021-06-11 09:55:40,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 84 events. 30/84 cut-off events. For 1028/1028 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 292 event pairs, 0 based on Foata normal form. 1/85 useless extension candidates. Maximal degree in co-relation 509. Up to 52 conditions per place. [2021-06-11 09:55:40,912 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 34 selfloop transitions, 19 changer transitions 1/58 dead transitions. [2021-06-11 09:55:40,912 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 58 transitions, 697 flow [2021-06-11 09:55:40,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-11 09:55:40,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-11 09:55:40,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 170 transitions. [2021-06-11 09:55:40,913 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5059523809523809 [2021-06-11 09:55:40,913 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 170 transitions. [2021-06-11 09:55:40,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 170 transitions. [2021-06-11 09:55:40,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:40,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 170 transitions. [2021-06-11 09:55:40,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 12.142857142857142) internal successors, (170), 14 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:40,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 24.0) internal successors, (360), 15 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:40,914 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 24.0) internal successors, (360), 15 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:40,914 INFO L185 Difference]: Start difference. First operand has 69 places, 45 transitions, 367 flow. Second operand 14 states and 170 transitions. [2021-06-11 09:55:40,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 58 transitions, 697 flow [2021-06-11 09:55:40,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 58 transitions, 641 flow, removed 23 selfloop flow, removed 8 redundant places. [2021-06-11 09:55:40,919 INFO L241 Difference]: Finished difference. Result has 76 places, 53 transitions, 541 flow [2021-06-11 09:55:40,919 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=541, PETRI_PLACES=76, PETRI_TRANSITIONS=53} [2021-06-11 09:55:40,919 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 61 predicate places. [2021-06-11 09:55:40,919 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:40,919 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 53 transitions, 541 flow [2021-06-11 09:55:40,919 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 53 transitions, 541 flow [2021-06-11 09:55:40,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 53 transitions, 541 flow [2021-06-11 09:55:40,926 INFO L129 PetriNetUnfolder]: 28/79 cut-off events. [2021-06-11 09:55:40,926 INFO L130 PetriNetUnfolder]: For 811/811 co-relation queries the response was YES. [2021-06-11 09:55:40,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 79 events. 28/79 cut-off events. For 811/811 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 267 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 418. Up to 27 conditions per place. [2021-06-11 09:55:40,927 INFO L151 LiptonReduction]: Number of co-enabled transitions 42 [2021-06-11 09:55:40,932 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:40,932 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:40,933 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-06-11 09:55:40,933 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 53 transitions, 541 flow [2021-06-11 09:55:40,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:40,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:40,933 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:41,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-11 09:55:41,153 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:41,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:41,153 INFO L82 PathProgramCache]: Analyzing trace with hash -432242539, now seen corresponding path program 12 times [2021-06-11 09:55:41,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:41,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126876722] [2021-06-11 09:55:41,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:41,175 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:41,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:41,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:41,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:41,203 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:41,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:41,215 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:41,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:41,225 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:41,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:41,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126876722] [2021-06-11 09:55:41,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144416445] [2021-06-11 09:55:41,233 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:41,253 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 09:55:41,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:41,253 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:41,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:41,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:41,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:41,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:41,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:41,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:41,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:41,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:41,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:41,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:41,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:41,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:41,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:41,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:41,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:41,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:41,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:41,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,285 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-06-11 09:55:41,285 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size [2021-06-11 09:55:41,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:41,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:41,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:41,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,303 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:55:41,303 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 09:55:41,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:41,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:41,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:41,322 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:55:41,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:41,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:41,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:41,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:41,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:41,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:41,347 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-11 09:55:41,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:41,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:41,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:41,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:41,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:41,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:41,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:41,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:41,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:41,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:41,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:41,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:41,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:41,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:41,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:41,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 09:55:41,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642824002] [2021-06-11 09:55:41,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 09:55:41,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:41,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 09:55:41,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-06-11 09:55:41,379 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 24 [2021-06-11 09:55:41,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 53 transitions, 541 flow. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:41,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:41,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 24 [2021-06-11 09:55:41,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:41,664 INFO L129 PetriNetUnfolder]: 30/80 cut-off events. [2021-06-11 09:55:41,664 INFO L130 PetriNetUnfolder]: For 912/912 co-relation queries the response was YES. [2021-06-11 09:55:41,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 80 events. 30/80 cut-off events. For 912/912 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 272 event pairs, 1 based on Foata normal form. 1/80 useless extension candidates. Maximal degree in co-relation 501. Up to 52 conditions per place. [2021-06-11 09:55:41,665 INFO L132 encePairwiseOnDemand]: 18/24 looper letters, 36 selfloop transitions, 17 changer transitions 1/58 dead transitions. [2021-06-11 09:55:41,665 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 58 transitions, 720 flow [2021-06-11 09:55:41,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 09:55:41,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 09:55:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 138 transitions. [2021-06-11 09:55:41,666 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5227272727272727 [2021-06-11 09:55:41,666 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 138 transitions. [2021-06-11 09:55:41,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 138 transitions. [2021-06-11 09:55:41,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:41,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 138 transitions. [2021-06-11 09:55:41,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.545454545454545) internal successors, (138), 11 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:41,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:41,668 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 24.0) internal successors, (288), 12 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:41,668 INFO L185 Difference]: Start difference. First operand has 75 places, 53 transitions, 541 flow. Second operand 11 states and 138 transitions. [2021-06-11 09:55:41,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 58 transitions, 720 flow [2021-06-11 09:55:41,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 58 transitions, 500 flow, removed 89 selfloop flow, removed 13 redundant places. [2021-06-11 09:55:41,673 INFO L241 Difference]: Finished difference. Result has 75 places, 55 transitions, 430 flow [2021-06-11 09:55:41,673 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=24, PETRI_DIFFERENCE_MINUEND_FLOW=357, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=430, PETRI_PLACES=75, PETRI_TRANSITIONS=55} [2021-06-11 09:55:41,673 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 60 predicate places. [2021-06-11 09:55:41,673 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:41,673 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 55 transitions, 430 flow [2021-06-11 09:55:41,673 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 55 transitions, 430 flow [2021-06-11 09:55:41,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 55 transitions, 430 flow [2021-06-11 09:55:41,679 INFO L129 PetriNetUnfolder]: 28/74 cut-off events. [2021-06-11 09:55:41,679 INFO L130 PetriNetUnfolder]: For 417/422 co-relation queries the response was YES. [2021-06-11 09:55:41,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 74 events. 28/74 cut-off events. For 417/422 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 228 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 309. Up to 20 conditions per place. [2021-06-11 09:55:41,680 INFO L151 LiptonReduction]: Number of co-enabled transitions 40 [2021-06-11 09:55:41,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:41,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 09:55:41,766 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-06-11 09:55:41,769 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 09:55:41,864 INFO L163 LiptonReduction]: Checked pairs total: 4 [2021-06-11 09:55:41,864 INFO L165 LiptonReduction]: Total number of compositions: 4 [2021-06-11 09:55:41,864 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 191 [2021-06-11 09:55:41,865 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 54 transitions, 430 flow [2021-06-11 09:55:41,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:41,865 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:41,865 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:42,086 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-11 09:55:42,087 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:42,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:42,087 INFO L82 PathProgramCache]: Analyzing trace with hash -376831279, now seen corresponding path program 13 times [2021-06-11 09:55:42,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:42,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437057093] [2021-06-11 09:55:42,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:42,101 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:42,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:42,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:42,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:42,136 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:42,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:42,148 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:42,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:42,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:42,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437057093] [2021-06-11 09:55:42,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474103394] [2021-06-11 09:55:42,157 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:42,176 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:42,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:42,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,187 INFO L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-06-11 09:55:42,188 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-06-11 09:55:42,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:42,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:42,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:42,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:42,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:42,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:42,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:42,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,207 INFO L147 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size 16 [2021-06-11 09:55:42,207 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-11 09:55:42,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:42,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:42,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:42,223 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-11 09:55:42,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:42,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:42,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:42,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:42,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:42,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:42,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:42,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:42,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:42,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:42,267 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-11 09:55:42,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:42,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:42,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:42,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:42,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:42,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:42,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:42,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:42,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:42,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:42,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:42,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:42,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:42,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:42,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:42,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:42,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 09:55:42,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276384253] [2021-06-11 09:55:42,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 09:55:42,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:42,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 09:55:42,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-06-11 09:55:42,294 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:42,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 54 transitions, 430 flow. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:42,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:42,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:42,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:42,574 INFO L129 PetriNetUnfolder]: 30/78 cut-off events. [2021-06-11 09:55:42,574 INFO L130 PetriNetUnfolder]: For 586/586 co-relation queries the response was YES. [2021-06-11 09:55:42,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 78 events. 30/78 cut-off events. For 586/586 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 280 event pairs, 1 based on Foata normal form. 3/79 useless extension candidates. Maximal degree in co-relation 418. Up to 54 conditions per place. [2021-06-11 09:55:42,575 INFO L132 encePairwiseOnDemand]: 19/28 looper letters, 37 selfloop transitions, 8 changer transitions 7/56 dead transitions. [2021-06-11 09:55:42,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 56 transitions, 568 flow [2021-06-11 09:55:42,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 09:55:42,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 09:55:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 122 transitions. [2021-06-11 09:55:42,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4357142857142857 [2021-06-11 09:55:42,576 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 122 transitions. [2021-06-11 09:55:42,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 122 transitions. [2021-06-11 09:55:42,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:42,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 122 transitions. [2021-06-11 09:55:42,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 12.2) internal successors, (122), 10 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:42,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 28.0) internal successors, (308), 11 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:42,578 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 28.0) internal successors, (308), 11 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:42,579 INFO L185 Difference]: Start difference. First operand has 73 places, 54 transitions, 430 flow. Second operand 10 states and 122 transitions. [2021-06-11 09:55:42,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 56 transitions, 568 flow [2021-06-11 09:55:42,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 56 transitions, 500 flow, removed 21 selfloop flow, removed 6 redundant places. [2021-06-11 09:55:42,582 INFO L241 Difference]: Finished difference. Result has 79 places, 49 transitions, 364 flow [2021-06-11 09:55:42,582 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=364, PETRI_PLACES=79, PETRI_TRANSITIONS=49} [2021-06-11 09:55:42,582 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 64 predicate places. [2021-06-11 09:55:42,582 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:42,583 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 49 transitions, 364 flow [2021-06-11 09:55:42,583 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 49 transitions, 364 flow [2021-06-11 09:55:42,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 49 transitions, 364 flow [2021-06-11 09:55:42,588 INFO L129 PetriNetUnfolder]: 27/63 cut-off events. [2021-06-11 09:55:42,588 INFO L130 PetriNetUnfolder]: For 338/343 co-relation queries the response was YES. [2021-06-11 09:55:42,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 63 events. 27/63 cut-off events. For 338/343 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 187 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 271. Up to 19 conditions per place. [2021-06-11 09:55:42,589 INFO L151 LiptonReduction]: Number of co-enabled transitions 30 [2021-06-11 09:55:42,593 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:42,593 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:42,593 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-06-11 09:55:42,595 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 49 transitions, 364 flow [2021-06-11 09:55:42,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:42,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:42,595 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:42,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-11 09:55:42,816 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:42,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:42,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1236569855, now seen corresponding path program 14 times [2021-06-11 09:55:42,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:42,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835799895] [2021-06-11 09:55:42,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:42,837 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:42,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:42,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:42,861 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:42,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:42,875 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:42,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:42,885 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:42,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:42,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:42,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835799895] [2021-06-11 09:55:42,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634088702] [2021-06-11 09:55:42,893 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:42,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:55:42,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:42,912 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:42,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:42,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:42,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,922 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:55:42,923 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 09:55:42,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:42,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:42,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:42,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,935 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.0 percent of original size 26 [2021-06-11 09:55:42,936 INFO L142 QuantifierPusher]: treesize reduction -1, result has 104.0 percent of original size [2021-06-11 09:55:42,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:42,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:42,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:42,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,955 INFO L147 QuantifierPusher]: treesize reduction 10, result has 79.6 percent of original size 39 [2021-06-11 09:55:42,955 INFO L142 QuantifierPusher]: treesize reduction 10, result has 79.6 percent of original size [2021-06-11 09:55:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:55:42,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:55:42,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:55:42,972 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-06-11 09:55:42,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:42,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:42,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:42,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-11 09:55:42,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 09:55:42,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 09:55:42,997 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:55:42,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:55:42,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:42,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:43,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:43,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:43,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:43,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:43,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 09:55:43,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951106794] [2021-06-11 09:55:43,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 09:55:43,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:43,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 09:55:43,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-11 09:55:43,030 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:43,030 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 49 transitions, 364 flow. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:43,030 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:43,030 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:43,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:43,217 INFO L129 PetriNetUnfolder]: 32/85 cut-off events. [2021-06-11 09:55:43,217 INFO L130 PetriNetUnfolder]: For 794/794 co-relation queries the response was YES. [2021-06-11 09:55:43,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 509 conditions, 85 events. 32/85 cut-off events. For 794/794 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 283 event pairs, 1 based on Foata normal form. 1/85 useless extension candidates. Maximal degree in co-relation 465. Up to 51 conditions per place. [2021-06-11 09:55:43,218 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 31 selfloop transitions, 21 changer transitions 1/57 dead transitions. [2021-06-11 09:55:43,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 57 transitions, 594 flow [2021-06-11 09:55:43,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 09:55:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 09:55:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 140 transitions. [2021-06-11 09:55:43,219 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45454545454545453 [2021-06-11 09:55:43,219 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 140 transitions. [2021-06-11 09:55:43,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 140 transitions. [2021-06-11 09:55:43,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:43,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 140 transitions. [2021-06-11 09:55:43,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.727272727272727) internal successors, (140), 11 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:43,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:43,221 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:43,221 INFO L185 Difference]: Start difference. First operand has 68 places, 49 transitions, 364 flow. Second operand 11 states and 140 transitions. [2021-06-11 09:55:43,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 57 transitions, 594 flow [2021-06-11 09:55:43,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 57 transitions, 562 flow, removed 8 selfloop flow, removed 7 redundant places. [2021-06-11 09:55:43,225 INFO L241 Difference]: Finished difference. Result has 74 places, 53 transitions, 471 flow [2021-06-11 09:55:43,225 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=471, PETRI_PLACES=74, PETRI_TRANSITIONS=53} [2021-06-11 09:55:43,225 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 59 predicate places. [2021-06-11 09:55:43,225 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:43,225 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 53 transitions, 471 flow [2021-06-11 09:55:43,225 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 53 transitions, 471 flow [2021-06-11 09:55:43,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 53 transitions, 471 flow [2021-06-11 09:55:43,231 INFO L129 PetriNetUnfolder]: 30/78 cut-off events. [2021-06-11 09:55:43,232 INFO L130 PetriNetUnfolder]: For 674/679 co-relation queries the response was YES. [2021-06-11 09:55:43,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 78 events. 30/78 cut-off events. For 674/679 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 259 event pairs, 1 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 390. Up to 26 conditions per place. [2021-06-11 09:55:43,233 INFO L151 LiptonReduction]: Number of co-enabled transitions 34 [2021-06-11 09:55:43,237 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:43,237 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:43,237 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 09:55:43,238 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 53 transitions, 471 flow [2021-06-11 09:55:43,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:43,238 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:43,238 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:43,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:43,460 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:43,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:43,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1319686745, now seen corresponding path program 15 times [2021-06-11 09:55:43,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:43,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969678984] [2021-06-11 09:55:43,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:43,482 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:43,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:43,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:43,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:43,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:43,512 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:43,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:43,524 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:43,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:43,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:43,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969678984] [2021-06-11 09:55:43,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939466873] [2021-06-11 09:55:43,534 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:43,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 09:55:43,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:43,561 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:43,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:43,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:43,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:43,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:43,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:43,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:43,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:43,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:43,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:43,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:43,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:43,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:43,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:43,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,574 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:55:43,575 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 09:55:43,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:43,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:43,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:43,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,590 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size 26 [2021-06-11 09:55:43,591 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-06-11 09:55:43,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,607 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.7 percent of original size [2021-06-11 09:55:43,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:43,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:43,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:43,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:43,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,634 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.7 percent of original size 39 [2021-06-11 09:55:43,634 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.0 percent of original size [2021-06-11 09:55:43,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 09:55:43,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 09:55:43,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 09:55:43,660 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:55:43,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:55:43,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:43,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:43,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:43,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:43,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:43,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:43,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 09:55:43,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018322226] [2021-06-11 09:55:43,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 09:55:43,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:43,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 09:55:43,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-06-11 09:55:43,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:43,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 53 transitions, 471 flow. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:43,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:43,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:43,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:43,878 INFO L129 PetriNetUnfolder]: 32/85 cut-off events. [2021-06-11 09:55:43,878 INFO L130 PetriNetUnfolder]: For 852/852 co-relation queries the response was YES. [2021-06-11 09:55:43,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 548 conditions, 85 events. 32/85 cut-off events. For 852/852 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 278 event pairs, 1 based on Foata normal form. 2/86 useless extension candidates. Maximal degree in co-relation 510. Up to 59 conditions per place. [2021-06-11 09:55:43,880 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 35 selfloop transitions, 16 changer transitions 2/57 dead transitions. [2021-06-11 09:55:43,880 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 57 transitions, 662 flow [2021-06-11 09:55:43,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 09:55:43,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 09:55:43,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 144 transitions. [2021-06-11 09:55:43,881 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2021-06-11 09:55:43,881 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 144 transitions. [2021-06-11 09:55:43,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 144 transitions. [2021-06-11 09:55:43,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:43,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 144 transitions. [2021-06-11 09:55:43,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.0) internal successors, (144), 12 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:43,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:43,882 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:43,882 INFO L185 Difference]: Start difference. First operand has 73 places, 53 transitions, 471 flow. Second operand 12 states and 144 transitions. [2021-06-11 09:55:43,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 57 transitions, 662 flow [2021-06-11 09:55:43,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 57 transitions, 583 flow, removed 28 selfloop flow, removed 7 redundant places. [2021-06-11 09:55:43,887 INFO L241 Difference]: Finished difference. Result has 81 places, 55 transitions, 483 flow [2021-06-11 09:55:43,887 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=483, PETRI_PLACES=81, PETRI_TRANSITIONS=55} [2021-06-11 09:55:43,887 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 66 predicate places. [2021-06-11 09:55:43,887 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:43,887 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 55 transitions, 483 flow [2021-06-11 09:55:43,887 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 55 transitions, 483 flow [2021-06-11 09:55:43,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 55 transitions, 483 flow [2021-06-11 09:55:43,901 INFO L129 PetriNetUnfolder]: 30/75 cut-off events. [2021-06-11 09:55:43,901 INFO L130 PetriNetUnfolder]: For 578/584 co-relation queries the response was YES. [2021-06-11 09:55:43,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 75 events. 30/75 cut-off events. For 578/584 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 244 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 369. Up to 20 conditions per place. [2021-06-11 09:55:43,902 INFO L151 LiptonReduction]: Number of co-enabled transitions 34 [2021-06-11 09:55:43,907 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:43,907 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:43,907 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 09:55:43,907 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 55 transitions, 483 flow [2021-06-11 09:55:43,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:43,908 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:43,908 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:44,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:44,121 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:44,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:44,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1949205837, now seen corresponding path program 3 times [2021-06-11 09:55:44,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:44,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551586676] [2021-06-11 09:55:44,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:44,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,161 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-06-11 09:55:44,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:44,195 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-11 09:55:44,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:44,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551586676] [2021-06-11 09:55:44,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862593058] [2021-06-11 09:55:44,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:44,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 09:55:44,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:44,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-11 09:55:44,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:44,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:44,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:44,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:44,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:44,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:44,305 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-06-11 09:55:44,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:44,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:44,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:44,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:44,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:44,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:44,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:44,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:44,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:44,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:44,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:44,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:44,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:44,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:44,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:44,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:44,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:44,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:44,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:44,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-11 09:55:44,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363473090] [2021-06-11 09:55:44,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 09:55:44,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:44,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 09:55:44,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-11 09:55:44,325 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 28 [2021-06-11 09:55:44,328 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 55 transitions, 483 flow. Second operand has 11 states, 11 states have (on average 14.0) internal successors, (154), 11 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:44,328 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:44,329 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 28 [2021-06-11 09:55:44,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:44,514 INFO L129 PetriNetUnfolder]: 33/85 cut-off events. [2021-06-11 09:55:44,514 INFO L130 PetriNetUnfolder]: For 856/862 co-relation queries the response was YES. [2021-06-11 09:55:44,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 562 conditions, 85 events. 33/85 cut-off events. For 856/862 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 287 event pairs, 0 based on Foata normal form. 1/85 useless extension candidates. Maximal degree in co-relation 518. Up to 58 conditions per place. [2021-06-11 09:55:44,516 INFO L132 encePairwiseOnDemand]: 23/28 looper letters, 38 selfloop transitions, 10 changer transitions 2/59 dead transitions. [2021-06-11 09:55:44,516 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 59 transitions, 665 flow [2021-06-11 09:55:44,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 09:55:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 09:55:44,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 107 transitions. [2021-06-11 09:55:44,517 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5459183673469388 [2021-06-11 09:55:44,517 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 107 transitions. [2021-06-11 09:55:44,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 107 transitions. [2021-06-11 09:55:44,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:44,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 107 transitions. [2021-06-11 09:55:44,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:44,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 28.0) internal successors, (224), 8 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:44,518 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 28.0) internal successors, (224), 8 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:44,518 INFO L185 Difference]: Start difference. First operand has 79 places, 55 transitions, 483 flow. Second operand 7 states and 107 transitions. [2021-06-11 09:55:44,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 59 transitions, 665 flow [2021-06-11 09:55:44,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 59 transitions, 607 flow, removed 16 selfloop flow, removed 9 redundant places. [2021-06-11 09:55:44,523 INFO L241 Difference]: Finished difference. Result has 78 places, 57 transitions, 498 flow [2021-06-11 09:55:44,523 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=425, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=498, PETRI_PLACES=78, PETRI_TRANSITIONS=57} [2021-06-11 09:55:44,523 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 63 predicate places. [2021-06-11 09:55:44,523 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:44,523 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 57 transitions, 498 flow [2021-06-11 09:55:44,523 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 57 transitions, 498 flow [2021-06-11 09:55:44,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 57 transitions, 498 flow [2021-06-11 09:55:44,529 INFO L129 PetriNetUnfolder]: 32/80 cut-off events. [2021-06-11 09:55:44,529 INFO L130 PetriNetUnfolder]: For 656/662 co-relation queries the response was YES. [2021-06-11 09:55:44,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 450 conditions, 80 events. 32/80 cut-off events. For 656/662 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 264 event pairs, 1 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 411. Up to 22 conditions per place. [2021-06-11 09:55:44,530 INFO L151 LiptonReduction]: Number of co-enabled transitions 38 [2021-06-11 09:55:44,535 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:44,535 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:44,535 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 09:55:44,536 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 57 transitions, 498 flow [2021-06-11 09:55:44,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.0) internal successors, (154), 11 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:44,536 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:44,536 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:44,758 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-11 09:55:44,758 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:44,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:44,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1235762615, now seen corresponding path program 16 times [2021-06-11 09:55:44,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:44,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653521139] [2021-06-11 09:55:44,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:44,778 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:44,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:44,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:44,801 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:44,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:44,816 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:55:44,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:44,828 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:44,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:44,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653521139] [2021-06-11 09:55:44,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35099155] [2021-06-11 09:55:44,839 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:44,862 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:55:44,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:44,862 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:44,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:44,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,874 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-06-11 09:55:44,874 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-11 09:55:44,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:44,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,887 INFO L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-06-11 09:55:44,888 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-06-11 09:55:44,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:44,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:44,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:44,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,903 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-11 09:55:44,904 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-06-11 09:55:44,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:44,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:44,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:44,922 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:55:44,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:44,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:44,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:44,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:44,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:44,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:44,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:44,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:44,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:44,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:44,953 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:55:44,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:44,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:44,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:44,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:44,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:44,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:44,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:44,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:44,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:44,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:44,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:44,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:44,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 09:55:44,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128448080] [2021-06-11 09:55:44,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 09:55:44,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:44,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 09:55:44,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-11 09:55:44,983 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:44,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 57 transitions, 498 flow. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:44,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:44,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:44,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:45,157 INFO L129 PetriNetUnfolder]: 33/82 cut-off events. [2021-06-11 09:55:45,157 INFO L130 PetriNetUnfolder]: For 873/873 co-relation queries the response was YES. [2021-06-11 09:55:45,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 82 events. 33/82 cut-off events. For 873/873 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 262 event pairs, 0 based on Foata normal form. 1/82 useless extension candidates. Maximal degree in co-relation 513. Up to 56 conditions per place. [2021-06-11 09:55:45,158 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 32 selfloop transitions, 23 changer transitions 1/60 dead transitions. [2021-06-11 09:55:45,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 60 transitions, 651 flow [2021-06-11 09:55:45,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 09:55:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 09:55:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 138 transitions. [2021-06-11 09:55:45,160 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44805194805194803 [2021-06-11 09:55:45,160 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 138 transitions. [2021-06-11 09:55:45,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 138 transitions. [2021-06-11 09:55:45,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:45,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 138 transitions. [2021-06-11 09:55:45,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.545454545454545) internal successors, (138), 11 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:45,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:45,162 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:45,162 INFO L185 Difference]: Start difference. First operand has 77 places, 57 transitions, 498 flow. Second operand 11 states and 138 transitions. [2021-06-11 09:55:45,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 60 transitions, 651 flow [2021-06-11 09:55:45,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 60 transitions, 610 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-06-11 09:55:45,166 INFO L241 Difference]: Finished difference. Result has 85 places, 59 transitions, 553 flow [2021-06-11 09:55:45,167 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=457, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=553, PETRI_PLACES=85, PETRI_TRANSITIONS=59} [2021-06-11 09:55:45,167 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 70 predicate places. [2021-06-11 09:55:45,167 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:45,167 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 59 transitions, 553 flow [2021-06-11 09:55:45,167 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 59 transitions, 553 flow [2021-06-11 09:55:45,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 59 transitions, 553 flow [2021-06-11 09:55:45,173 INFO L129 PetriNetUnfolder]: 32/77 cut-off events. [2021-06-11 09:55:45,173 INFO L130 PetriNetUnfolder]: For 668/674 co-relation queries the response was YES. [2021-06-11 09:55:45,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 77 events. 32/77 cut-off events. For 668/674 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 250 event pairs, 1 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 412. Up to 21 conditions per place. [2021-06-11 09:55:45,174 INFO L151 LiptonReduction]: Number of co-enabled transitions 36 [2021-06-11 09:55:45,180 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:45,180 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:45,180 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-06-11 09:55:45,180 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 59 transitions, 553 flow [2021-06-11 09:55:45,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:45,184 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:45,184 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:45,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-06-11 09:55:45,397 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:45,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:45,397 INFO L82 PathProgramCache]: Analyzing trace with hash -445946065, now seen corresponding path program 17 times [2021-06-11 09:55:45,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:45,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316581351] [2021-06-11 09:55:45,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:45,410 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-06-11 09:55:45,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:45,416 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-11 09:55:45,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:45,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:45,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:45,442 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:45,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:45,453 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:45,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:45,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:45,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316581351] [2021-06-11 09:55:45,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703068853] [2021-06-11 09:55:45,461 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:45,480 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:55:45,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:45,480 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:45,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:45,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:45,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:45,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:45,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:45,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:45,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:45,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:45,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:45,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:45,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:45,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:45,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:45,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:45,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:45,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:45,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:45,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,529 INFO L147 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size 30 [2021-06-11 09:55:45,529 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size [2021-06-11 09:55:45,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:45,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:45,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:45,550 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:55:45,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:45,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:45,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:55:45,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 09:55:45,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:45,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:45,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,574 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:55:45,574 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-11 09:55:45,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:45,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:45,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:45,593 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-11 09:55:45,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:45,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:45,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:45,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:45,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:45,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:45,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:45,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:45,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:45,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:45,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:45,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:45,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:45,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:45,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:45,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:45,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:45,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-06-11 09:55:45,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779969887] [2021-06-11 09:55:45,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 09:55:45,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:45,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 09:55:45,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-06-11 09:55:45,634 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:45,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 59 transitions, 553 flow. Second operand has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:45,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:45,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:45,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:45,947 INFO L129 PetriNetUnfolder]: 34/89 cut-off events. [2021-06-11 09:55:45,947 INFO L130 PetriNetUnfolder]: For 983/983 co-relation queries the response was YES. [2021-06-11 09:55:45,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 89 events. 34/89 cut-off events. For 983/983 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 287 event pairs, 2 based on Foata normal form. 2/90 useless extension candidates. Maximal degree in co-relation 575. Up to 61 conditions per place. [2021-06-11 09:55:45,948 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 42 selfloop transitions, 8 changer transitions 9/63 dead transitions. [2021-06-11 09:55:45,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 63 transitions, 775 flow [2021-06-11 09:55:45,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 09:55:45,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 09:55:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 144 transitions. [2021-06-11 09:55:45,949 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2021-06-11 09:55:45,949 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 144 transitions. [2021-06-11 09:55:45,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 144 transitions. [2021-06-11 09:55:45,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:45,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 144 transitions. [2021-06-11 09:55:45,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.0) internal successors, (144), 12 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:45,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:45,951 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:45,951 INFO L185 Difference]: Start difference. First operand has 84 places, 59 transitions, 553 flow. Second operand 12 states and 144 transitions. [2021-06-11 09:55:45,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 63 transitions, 775 flow [2021-06-11 09:55:45,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 63 transitions, 680 flow, removed 29 selfloop flow, removed 8 redundant places. [2021-06-11 09:55:45,956 INFO L241 Difference]: Finished difference. Result has 91 places, 54 transitions, 453 flow [2021-06-11 09:55:45,957 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=453, PETRI_PLACES=91, PETRI_TRANSITIONS=54} [2021-06-11 09:55:45,957 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 76 predicate places. [2021-06-11 09:55:45,957 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:45,957 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 54 transitions, 453 flow [2021-06-11 09:55:45,957 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 54 transitions, 453 flow [2021-06-11 09:55:45,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 54 transitions, 453 flow [2021-06-11 09:55:45,963 INFO L129 PetriNetUnfolder]: 30/72 cut-off events. [2021-06-11 09:55:45,963 INFO L130 PetriNetUnfolder]: For 585/593 co-relation queries the response was YES. [2021-06-11 09:55:45,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 72 events. 30/72 cut-off events. For 585/593 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 220 event pairs, 1 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 359. Up to 19 conditions per place. [2021-06-11 09:55:45,964 INFO L151 LiptonReduction]: Number of co-enabled transitions 36 [2021-06-11 09:55:45,968 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:45,969 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:45,969 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 09:55:45,970 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 54 transitions, 453 flow [2021-06-11 09:55:45,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:45,970 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:45,970 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:46,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:46,185 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:46,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:46,185 INFO L82 PathProgramCache]: Analyzing trace with hash 382123397, now seen corresponding path program 18 times [2021-06-11 09:55:46,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:46,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27354446] [2021-06-11 09:55:46,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:46,203 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-06-11 09:55:46,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:46,209 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-11 09:55:46,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:46,217 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:55:46,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:46,227 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:46,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:46,241 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:55:46,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:46,254 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:46,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:46,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:46,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27354446] [2021-06-11 09:55:46,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660928676] [2021-06-11 09:55:46,265 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:46,289 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-11 09:55:46,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:46,290 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:46,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:46,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,312 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:55:46,313 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:55:46,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:46,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:46,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:46,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,330 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-06-11 09:55:46,330 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-06-11 09:55:46,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:46,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:46,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:46,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:46,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:46,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:46,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:46,373 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:55:46,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:46,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:46,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:46,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:46,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:46,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:46,396 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:55:46,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:46,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:46,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:46,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:46,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:46,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:46,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:46,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:46,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:46,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:46,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:46,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:46,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:46,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:46,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:46,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-06-11 09:55:46,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973802440] [2021-06-11 09:55:46,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 09:55:46,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:46,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 09:55:46,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-06-11 09:55:46,428 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:46,429 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 54 transitions, 453 flow. Second operand has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:46,429 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:46,429 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:46,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:46,578 INFO L129 PetriNetUnfolder]: 35/93 cut-off events. [2021-06-11 09:55:46,578 INFO L130 PetriNetUnfolder]: For 1327/1327 co-relation queries the response was YES. [2021-06-11 09:55:46,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 648 conditions, 93 events. 35/93 cut-off events. For 1327/1327 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 320 event pairs, 1 based on Foata normal form. 1/93 useless extension candidates. Maximal degree in co-relation 595. Up to 64 conditions per place. [2021-06-11 09:55:46,580 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 47 selfloop transitions, 11 changer transitions 1/63 dead transitions. [2021-06-11 09:55:46,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 63 transitions, 753 flow [2021-06-11 09:55:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 09:55:46,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 09:55:46,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 102 transitions. [2021-06-11 09:55:46,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45535714285714285 [2021-06-11 09:55:46,581 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 102 transitions. [2021-06-11 09:55:46,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 102 transitions. [2021-06-11 09:55:46,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:46,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 102 transitions. [2021-06-11 09:55:46,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:46,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:46,582 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:46,582 INFO L185 Difference]: Start difference. First operand has 81 places, 54 transitions, 453 flow. Second operand 8 states and 102 transitions. [2021-06-11 09:55:46,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 63 transitions, 753 flow [2021-06-11 09:55:46,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 63 transitions, 689 flow, removed 21 selfloop flow, removed 12 redundant places. [2021-06-11 09:55:46,588 INFO L241 Difference]: Finished difference. Result has 79 places, 58 transitions, 537 flow [2021-06-11 09:55:46,588 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=537, PETRI_PLACES=79, PETRI_TRANSITIONS=58} [2021-06-11 09:55:46,588 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 64 predicate places. [2021-06-11 09:55:46,588 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:46,588 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 58 transitions, 537 flow [2021-06-11 09:55:46,588 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 58 transitions, 537 flow [2021-06-11 09:55:46,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 58 transitions, 537 flow [2021-06-11 09:55:46,595 INFO L129 PetriNetUnfolder]: 33/87 cut-off events. [2021-06-11 09:55:46,595 INFO L130 PetriNetUnfolder]: For 1056/1066 co-relation queries the response was YES. [2021-06-11 09:55:46,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 519 conditions, 87 events. 33/87 cut-off events. For 1056/1066 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 314 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 477. Up to 26 conditions per place. [2021-06-11 09:55:46,596 INFO L151 LiptonReduction]: Number of co-enabled transitions 40 [2021-06-11 09:55:46,601 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:46,601 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:46,601 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-06-11 09:55:46,602 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 58 transitions, 537 flow [2021-06-11 09:55:46,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:46,602 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:46,602 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:46,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-06-11 09:55:46,823 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:46,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:46,824 INFO L82 PathProgramCache]: Analyzing trace with hash -361935445, now seen corresponding path program 19 times [2021-06-11 09:55:46,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:46,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597076198] [2021-06-11 09:55:46,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:46,844 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-06-11 09:55:46,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:46,850 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-11 09:55:46,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:46,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:46,870 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:46,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:46,884 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:55:46,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:46,896 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:46,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:46,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:46,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597076198] [2021-06-11 09:55:46,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638913652] [2021-06-11 09:55:46,906 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:46,927 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:46,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:46,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:46,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:46,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:46,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:46,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:46,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,969 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-06-11 09:55:46,970 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size [2021-06-11 09:55:46,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:46,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:46,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:46,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,990 INFO L147 QuantifierPusher]: treesize reduction 3, result has 94.0 percent of original size 47 [2021-06-11 09:55:46,990 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.0 percent of original size [2021-06-11 09:55:46,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:55:46,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:55:46,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:46,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:55:47,015 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:55:47,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:47,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:47,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:47,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 09:55:47,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:47,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:47,041 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-06-11 09:55:47,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 09:55:47,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:47,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:47,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:55:47,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:47,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:47,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:47,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:47,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:47,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:47,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:47,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:47,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:47,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:47,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:47,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:47,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-06-11 09:55:47,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023179791] [2021-06-11 09:55:47,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 09:55:47,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:47,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 09:55:47,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-06-11 09:55:47,080 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:47,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 58 transitions, 537 flow. Second operand has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:47,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:47,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:47,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:47,298 INFO L129 PetriNetUnfolder]: 38/103 cut-off events. [2021-06-11 09:55:47,298 INFO L130 PetriNetUnfolder]: For 1679/1681 co-relation queries the response was YES. [2021-06-11 09:55:47,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 103 events. 38/103 cut-off events. For 1679/1681 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 393 event pairs, 1 based on Foata normal form. 3/104 useless extension candidates. Maximal degree in co-relation 694. Up to 75 conditions per place. [2021-06-11 09:55:47,299 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 47 selfloop transitions, 13 changer transitions 1/65 dead transitions. [2021-06-11 09:55:47,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 65 transitions, 807 flow [2021-06-11 09:55:47,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:55:47,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:55:47,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 112 transitions. [2021-06-11 09:55:47,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2021-06-11 09:55:47,301 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 112 transitions. [2021-06-11 09:55:47,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 112 transitions. [2021-06-11 09:55:47,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:47,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 112 transitions. [2021-06-11 09:55:47,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:47,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:47,302 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:47,302 INFO L185 Difference]: Start difference. First operand has 78 places, 58 transitions, 537 flow. Second operand 9 states and 112 transitions. [2021-06-11 09:55:47,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 65 transitions, 807 flow [2021-06-11 09:55:47,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 65 transitions, 728 flow, removed 35 selfloop flow, removed 4 redundant places. [2021-06-11 09:55:47,308 INFO L241 Difference]: Finished difference. Result has 85 places, 62 transitions, 602 flow [2021-06-11 09:55:47,308 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=602, PETRI_PLACES=85, PETRI_TRANSITIONS=62} [2021-06-11 09:55:47,308 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 70 predicate places. [2021-06-11 09:55:47,308 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:47,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 62 transitions, 602 flow [2021-06-11 09:55:47,309 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 62 transitions, 602 flow [2021-06-11 09:55:47,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 62 transitions, 602 flow [2021-06-11 09:55:47,316 INFO L129 PetriNetUnfolder]: 35/98 cut-off events. [2021-06-11 09:55:47,316 INFO L130 PetriNetUnfolder]: For 1427/1427 co-relation queries the response was YES. [2021-06-11 09:55:47,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 604 conditions, 98 events. 35/98 cut-off events. For 1427/1427 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 369 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 557. Up to 29 conditions per place. [2021-06-11 09:55:47,317 INFO L151 LiptonReduction]: Number of co-enabled transitions 42 [2021-06-11 09:55:47,323 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:47,323 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:47,324 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-06-11 09:55:47,324 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 62 transitions, 602 flow [2021-06-11 09:55:47,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:47,324 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:47,324 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:47,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:47,541 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:47,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:47,541 INFO L82 PathProgramCache]: Analyzing trace with hash -476452049, now seen corresponding path program 20 times [2021-06-11 09:55:47,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:47,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737681268] [2021-06-11 09:55:47,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:47,554 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-06-11 09:55:47,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:47,560 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-11 09:55:47,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:47,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:47,573 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:47,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:47,584 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:47,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:47,594 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:47,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:47,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:47,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737681268] [2021-06-11 09:55:47,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054536793] [2021-06-11 09:55:47,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:47,620 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:55:47,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:47,621 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:47,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:47,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:47,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:47,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:47,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:47,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:47,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:47,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:47,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:47,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:47,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:47,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:47,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:47,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:47,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:47,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:47,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:47,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,662 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-06-11 09:55:47,663 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size [2021-06-11 09:55:47,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:47,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:47,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:47,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,684 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:55:47,685 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 09:55:47,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:47,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:47,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:47,707 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:55:47,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:47,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:47,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:47,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:47,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:47,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:47,735 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-11 09:55:47,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:47,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:47,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:47,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:47,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:47,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:47,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:47,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:47,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:47,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:47,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:47,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:47,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:47,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:47,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:47,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:47,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-06-11 09:55:47,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46464557] [2021-06-11 09:55:47,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 09:55:47,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:47,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 09:55:47,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-06-11 09:55:47,771 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:47,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 62 transitions, 602 flow. Second operand has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:47,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:47,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:47,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:47,936 INFO L129 PetriNetUnfolder]: 41/119 cut-off events. [2021-06-11 09:55:47,937 INFO L130 PetriNetUnfolder]: For 2172/2172 co-relation queries the response was YES. [2021-06-11 09:55:47,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 868 conditions, 119 events. 41/119 cut-off events. For 2172/2172 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 486 event pairs, 1 based on Foata normal form. 1/119 useless extension candidates. Maximal degree in co-relation 811. Up to 80 conditions per place. [2021-06-11 09:55:47,938 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 48 selfloop transitions, 17 changer transitions 1/70 dead transitions. [2021-06-11 09:55:47,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 70 transitions, 898 flow [2021-06-11 09:55:47,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 09:55:47,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 09:55:47,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 127 transitions. [2021-06-11 09:55:47,938 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45357142857142857 [2021-06-11 09:55:47,939 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 127 transitions. [2021-06-11 09:55:47,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 127 transitions. [2021-06-11 09:55:47,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:47,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 127 transitions. [2021-06-11 09:55:47,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 12.7) internal successors, (127), 10 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:47,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 28.0) internal successors, (308), 11 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:47,940 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 28.0) internal successors, (308), 11 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:47,940 INFO L185 Difference]: Start difference. First operand has 84 places, 62 transitions, 602 flow. Second operand 10 states and 127 transitions. [2021-06-11 09:55:47,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 70 transitions, 898 flow [2021-06-11 09:55:47,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 70 transitions, 796 flow, removed 42 selfloop flow, removed 6 redundant places. [2021-06-11 09:55:47,948 INFO L241 Difference]: Finished difference. Result has 90 places, 66 transitions, 663 flow [2021-06-11 09:55:47,948 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=663, PETRI_PLACES=90, PETRI_TRANSITIONS=66} [2021-06-11 09:55:47,948 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 75 predicate places. [2021-06-11 09:55:47,948 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:47,948 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 66 transitions, 663 flow [2021-06-11 09:55:47,949 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 66 transitions, 663 flow [2021-06-11 09:55:47,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 66 transitions, 663 flow [2021-06-11 09:55:47,957 INFO L129 PetriNetUnfolder]: 39/113 cut-off events. [2021-06-11 09:55:47,958 INFO L130 PetriNetUnfolder]: For 1738/1751 co-relation queries the response was YES. [2021-06-11 09:55:47,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 113 events. 39/113 cut-off events. For 1738/1751 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 478 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 641. Up to 30 conditions per place. [2021-06-11 09:55:47,959 INFO L151 LiptonReduction]: Number of co-enabled transitions 46 [2021-06-11 09:55:47,966 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:47,966 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:47,966 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-06-11 09:55:47,966 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 66 transitions, 663 flow [2021-06-11 09:55:47,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:47,966 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:47,967 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:48,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-06-11 09:55:48,181 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:48,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:48,181 INFO L82 PathProgramCache]: Analyzing trace with hash 299006507, now seen corresponding path program 21 times [2021-06-11 09:55:48,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:48,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652635605] [2021-06-11 09:55:48,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:48,191 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-06-11 09:55:48,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:48,197 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-11 09:55:48,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:48,205 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:55:48,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:48,214 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:55:48,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:48,224 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:55:48,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:48,237 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:48,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:48,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652635605] [2021-06-11 09:55:48,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792750960] [2021-06-11 09:55:48,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:48,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-11 09:55:48,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:48,286 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:48,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:48,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:48,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:48,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:48,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:48,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:48,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:48,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:48,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:48,344 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-06-11 09:55:48,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:48,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:48,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:48,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:48,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:48,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:48,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:48,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:48,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:48,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:48,389 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:55:48,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:48,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,390 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:48,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:48,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:48,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:48,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:48,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:48,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:48,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:48,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:48,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:48,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:48,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:48,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:48,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:48,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:48,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-06-11 09:55:48,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328831126] [2021-06-11 09:55:48,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 09:55:48,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:48,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 09:55:48,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-06-11 09:55:48,423 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:48,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 66 transitions, 663 flow. Second operand has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:48,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:48,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:48,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:48,543 INFO L129 PetriNetUnfolder]: 41/115 cut-off events. [2021-06-11 09:55:48,544 INFO L130 PetriNetUnfolder]: For 1990/1990 co-relation queries the response was YES. [2021-06-11 09:55:48,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 115 events. 41/115 cut-off events. For 1990/1990 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 453 event pairs, 1 based on Foata normal form. 1/115 useless extension candidates. Maximal degree in co-relation 770. Up to 88 conditions per place. [2021-06-11 09:55:48,545 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 55 selfloop transitions, 10 changer transitions 1/70 dead transitions. [2021-06-11 09:55:48,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 70 transitions, 876 flow [2021-06-11 09:55:48,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 09:55:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 09:55:48,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 97 transitions. [2021-06-11 09:55:48,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4330357142857143 [2021-06-11 09:55:48,546 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 97 transitions. [2021-06-11 09:55:48,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 97 transitions. [2021-06-11 09:55:48,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:48,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 97 transitions. [2021-06-11 09:55:48,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:48,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:48,547 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:48,547 INFO L185 Difference]: Start difference. First operand has 89 places, 66 transitions, 663 flow. Second operand 8 states and 97 transitions. [2021-06-11 09:55:48,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 70 transitions, 876 flow [2021-06-11 09:55:48,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 70 transitions, 783 flow, removed 38 selfloop flow, removed 6 redundant places. [2021-06-11 09:55:48,555 INFO L241 Difference]: Finished difference. Result has 93 places, 69 transitions, 655 flow [2021-06-11 09:55:48,555 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=655, PETRI_PLACES=93, PETRI_TRANSITIONS=69} [2021-06-11 09:55:48,555 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 78 predicate places. [2021-06-11 09:55:48,555 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:48,555 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 69 transitions, 655 flow [2021-06-11 09:55:48,555 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 69 transitions, 655 flow [2021-06-11 09:55:48,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 69 transitions, 655 flow [2021-06-11 09:55:48,573 INFO L129 PetriNetUnfolder]: 39/109 cut-off events. [2021-06-11 09:55:48,574 INFO L130 PetriNetUnfolder]: For 1333/1343 co-relation queries the response was YES. [2021-06-11 09:55:48,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 634 conditions, 109 events. 39/109 cut-off events. For 1333/1343 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 442 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 580. Up to 29 conditions per place. [2021-06-11 09:55:48,575 INFO L151 LiptonReduction]: Number of co-enabled transitions 46 [2021-06-11 09:55:48,588 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:48,588 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:48,588 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-06-11 09:55:48,589 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 69 transitions, 655 flow [2021-06-11 09:55:48,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:48,589 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:48,589 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:48,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-06-11 09:55:48,805 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:48,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:48,805 INFO L82 PathProgramCache]: Analyzing trace with hash -362829175, now seen corresponding path program 22 times [2021-06-11 09:55:48,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:48,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854799585] [2021-06-11 09:55:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:48,829 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-06-11 09:55:48,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:48,835 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-11 09:55:48,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:48,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:48,852 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:48,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:48,867 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:48,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:48,880 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:48,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:48,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854799585] [2021-06-11 09:55:48,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175931844] [2021-06-11 09:55:48,891 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:48,912 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:55:48,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:48,912 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:48,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:48,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:48,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:48,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:48,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:48,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:48,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,954 INFO L147 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size 30 [2021-06-11 09:55:48,955 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size [2021-06-11 09:55:48,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:48,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:48,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:48,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,977 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size 39 [2021-06-11 09:55:48,980 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-06-11 09:55:48,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:55:48,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:55:48,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:48,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:55:49,005 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-06-11 09:55:49,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:49,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:49,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:49,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-11 09:55:49,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 09:55:49,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-06-11 09:55:49,045 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:55:49,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:55:49,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:49,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:49,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:49,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:49,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:49,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:49,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:49,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:49,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:49,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:49,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:49,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:49,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:55:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:49,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:49,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-06-11 09:55:49,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109676141] [2021-06-11 09:55:49,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 09:55:49,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:49,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 09:55:49,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-06-11 09:55:49,084 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:49,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 69 transitions, 655 flow. Second operand has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:49,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:49,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:49,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:49,273 INFO L129 PetriNetUnfolder]: 41/111 cut-off events. [2021-06-11 09:55:49,274 INFO L130 PetriNetUnfolder]: For 1638/1638 co-relation queries the response was YES. [2021-06-11 09:55:49,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 768 conditions, 111 events. 41/111 cut-off events. For 1638/1638 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 426 event pairs, 1 based on Foata normal form. 1/111 useless extension candidates. Maximal degree in co-relation 711. Up to 84 conditions per place. [2021-06-11 09:55:49,275 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 54 selfloop transitions, 13 changer transitions 1/72 dead transitions. [2021-06-11 09:55:49,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 72 transitions, 836 flow [2021-06-11 09:55:49,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 09:55:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 09:55:49,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 100 transitions. [2021-06-11 09:55:49,278 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44642857142857145 [2021-06-11 09:55:49,278 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 100 transitions. [2021-06-11 09:55:49,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 100 transitions. [2021-06-11 09:55:49,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:49,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 100 transitions. [2021-06-11 09:55:49,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:49,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:49,281 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:49,281 INFO L185 Difference]: Start difference. First operand has 92 places, 69 transitions, 655 flow. Second operand 8 states and 100 transitions. [2021-06-11 09:55:49,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 72 transitions, 836 flow [2021-06-11 09:55:49,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 72 transitions, 766 flow, removed 27 selfloop flow, removed 5 redundant places. [2021-06-11 09:55:49,288 INFO L241 Difference]: Finished difference. Result has 97 places, 71 transitions, 663 flow [2021-06-11 09:55:49,289 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=663, PETRI_PLACES=97, PETRI_TRANSITIONS=71} [2021-06-11 09:55:49,289 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 82 predicate places. [2021-06-11 09:55:49,289 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:49,289 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 71 transitions, 663 flow [2021-06-11 09:55:49,290 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 71 transitions, 663 flow [2021-06-11 09:55:49,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 71 transitions, 663 flow [2021-06-11 09:55:49,298 INFO L129 PetriNetUnfolder]: 39/105 cut-off events. [2021-06-11 09:55:49,298 INFO L130 PetriNetUnfolder]: For 1412/1425 co-relation queries the response was YES. [2021-06-11 09:55:49,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 618 conditions, 105 events. 39/105 cut-off events. For 1412/1425 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 414 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 564. Up to 28 conditions per place. [2021-06-11 09:55:49,299 INFO L151 LiptonReduction]: Number of co-enabled transitions 46 [2021-06-11 09:55:49,302 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:49,302 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:49,302 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-06-11 09:55:49,303 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 71 transitions, 663 flow [2021-06-11 09:55:49,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:49,303 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:49,303 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:49,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-11 09:55:49,525 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:49,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:49,525 INFO L82 PathProgramCache]: Analyzing trace with hash 268500523, now seen corresponding path program 3 times [2021-06-11 09:55:49,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:49,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229515745] [2021-06-11 09:55:49,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:49,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:49,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:49,568 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-06-11 09:55:49,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:55:49,596 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-06-11 09:55:49,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:49,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:49,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229515745] [2021-06-11 09:55:49,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940329977] [2021-06-11 09:55:49,611 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 09:55:49,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 09:55:49,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:49,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-11 09:55:49,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:49,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:49,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:49,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:49,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:49,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:55:49,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:49,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:49,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:49,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:49,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,696 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-06-11 09:55:49,696 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-06-11 09:55:49,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:49,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:49,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:49,711 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-06-11 09:55:49,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:49,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:49,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:49,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:49,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:49,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:49,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:49,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:49,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:49,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:49,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:49,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:49,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:49,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:49,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:49,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:55:49,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:49,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:49,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-11 09:55:49,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593834545] [2021-06-11 09:55:49,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 09:55:49,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:49,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 09:55:49,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-11 09:55:49,734 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 28 [2021-06-11 09:55:49,735 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 71 transitions, 663 flow. Second operand has 11 states, 11 states have (on average 14.0) internal successors, (154), 11 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:49,735 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:49,735 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 28 [2021-06-11 09:55:49,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:49,936 INFO L129 PetriNetUnfolder]: 42/113 cut-off events. [2021-06-11 09:55:49,936 INFO L130 PetriNetUnfolder]: For 1941/1966 co-relation queries the response was YES. [2021-06-11 09:55:49,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 113 events. 42/113 cut-off events. For 1941/1966 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 455 event pairs, 0 based on Foata normal form. 1/113 useless extension candidates. Maximal degree in co-relation 729. Up to 75 conditions per place. [2021-06-11 09:55:49,938 INFO L132 encePairwiseOnDemand]: 23/28 looper letters, 51 selfloop transitions, 10 changer transitions 2/75 dead transitions. [2021-06-11 09:55:49,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 75 transitions, 903 flow [2021-06-11 09:55:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 09:55:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 09:55:49,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 107 transitions. [2021-06-11 09:55:49,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5459183673469388 [2021-06-11 09:55:49,939 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 107 transitions. [2021-06-11 09:55:49,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 107 transitions. [2021-06-11 09:55:49,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:49,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 107 transitions. [2021-06-11 09:55:49,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:49,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 28.0) internal successors, (224), 8 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:49,940 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 28.0) internal successors, (224), 8 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:49,940 INFO L185 Difference]: Start difference. First operand has 96 places, 71 transitions, 663 flow. Second operand 7 states and 107 transitions. [2021-06-11 09:55:49,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 75 transitions, 903 flow [2021-06-11 09:55:49,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 75 transitions, 803 flow, removed 39 selfloop flow, removed 6 redundant places. [2021-06-11 09:55:49,947 INFO L241 Difference]: Finished difference. Result has 98 places, 73 transitions, 652 flow [2021-06-11 09:55:49,947 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=652, PETRI_PLACES=98, PETRI_TRANSITIONS=73} [2021-06-11 09:55:49,950 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 83 predicate places. [2021-06-11 09:55:49,950 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:49,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 73 transitions, 652 flow [2021-06-11 09:55:49,950 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 73 transitions, 652 flow [2021-06-11 09:55:49,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 73 transitions, 652 flow [2021-06-11 09:55:49,958 INFO L129 PetriNetUnfolder]: 41/109 cut-off events. [2021-06-11 09:55:49,958 INFO L130 PetriNetUnfolder]: For 1268/1277 co-relation queries the response was YES. [2021-06-11 09:55:49,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 109 events. 41/109 cut-off events. For 1268/1277 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 458 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 581. Up to 28 conditions per place. [2021-06-11 09:55:49,960 INFO L151 LiptonReduction]: Number of co-enabled transitions 46 [2021-06-11 09:55:49,963 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:49,963 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:49,963 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-06-11 09:55:49,964 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 73 transitions, 652 flow [2021-06-11 09:55:49,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 14.0) internal successors, (154), 11 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:49,964 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:49,964 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:50,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-11 09:55:50,177 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:50,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:50,177 INFO L82 PathProgramCache]: Analyzing trace with hash -477345779, now seen corresponding path program 23 times [2021-06-11 09:55:50,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:50,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128916697] [2021-06-11 09:55:50,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:50,187 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-06-11 09:55:50,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:50,193 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-11 09:55:50,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:50,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:50,209 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:50,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:50,223 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:55:50,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:50,236 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:50,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:50,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:50,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128916697] [2021-06-11 09:55:50,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326878477] [2021-06-11 09:55:50,247 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 09:55:50,267 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:55:50,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:50,268 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:50,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:50,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:50,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:50,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:50,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:50,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:50,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:50,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:50,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:50,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:50,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,343 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-11 09:55:50,343 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-06-11 09:55:50,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:50,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:50,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:50,363 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:55:50,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:50,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:50,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:50,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:50,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:50,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:50,387 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:55:50,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:50,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:50,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:50,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:50,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:50,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:50,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:50,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:50,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:50,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:50,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:50,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:50,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:50,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:50,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:50,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-06-11 09:55:50,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671947363] [2021-06-11 09:55:50,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 09:55:50,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:50,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 09:55:50,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-06-11 09:55:50,420 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:50,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 73 transitions, 652 flow. Second operand has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:50,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:50,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:50,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:50,601 INFO L129 PetriNetUnfolder]: 43/111 cut-off events. [2021-06-11 09:55:50,601 INFO L130 PetriNetUnfolder]: For 1762/1762 co-relation queries the response was YES. [2021-06-11 09:55:50,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 770 conditions, 111 events. 43/111 cut-off events. For 1762/1762 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 429 event pairs, 1 based on Foata normal form. 1/110 useless extension candidates. Maximal degree in co-relation 714. Up to 80 conditions per place. [2021-06-11 09:55:50,603 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 53 selfloop transitions, 19 changer transitions 1/77 dead transitions. [2021-06-11 09:55:50,603 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 77 transitions, 845 flow [2021-06-11 09:55:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 09:55:50,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 09:55:50,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 137 transitions. [2021-06-11 09:55:50,604 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4448051948051948 [2021-06-11 09:55:50,604 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 137 transitions. [2021-06-11 09:55:50,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 137 transitions. [2021-06-11 09:55:50,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:50,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 137 transitions. [2021-06-11 09:55:50,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 11 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:50,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:50,606 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:50,606 INFO L185 Difference]: Start difference. First operand has 97 places, 73 transitions, 652 flow. Second operand 11 states and 137 transitions. [2021-06-11 09:55:50,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 77 transitions, 845 flow [2021-06-11 09:55:50,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 77 transitions, 792 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-06-11 09:55:50,613 INFO L241 Difference]: Finished difference. Result has 105 places, 75 transitions, 690 flow [2021-06-11 09:55:50,613 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=690, PETRI_PLACES=105, PETRI_TRANSITIONS=75} [2021-06-11 09:55:50,614 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 90 predicate places. [2021-06-11 09:55:50,614 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:50,614 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 75 transitions, 690 flow [2021-06-11 09:55:50,615 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 75 transitions, 690 flow [2021-06-11 09:55:50,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 75 transitions, 690 flow [2021-06-11 09:55:50,623 INFO L129 PetriNetUnfolder]: 41/106 cut-off events. [2021-06-11 09:55:50,623 INFO L130 PetriNetUnfolder]: For 1397/1397 co-relation queries the response was YES. [2021-06-11 09:55:50,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 106 events. 41/106 cut-off events. For 1397/1397 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 426 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 601. Up to 29 conditions per place. [2021-06-11 09:55:50,625 INFO L151 LiptonReduction]: Number of co-enabled transitions 48 [2021-06-11 09:55:50,628 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:50,628 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:50,628 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-06-11 09:55:50,628 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 75 transitions, 690 flow [2021-06-11 09:55:50,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:50,629 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:50,629 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:50,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:50,850 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:50,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:50,851 INFO L82 PathProgramCache]: Analyzing trace with hash -422914739, now seen corresponding path program 24 times [2021-06-11 09:55:50,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:50,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125889682] [2021-06-11 09:55:50,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:50,870 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-06-11 09:55:50,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:50,876 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-11 09:55:50,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:50,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:50,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:50,899 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:50,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:50,909 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:50,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:50,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125889682] [2021-06-11 09:55:50,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177504964] [2021-06-11 09:55:50,917 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:50,935 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 09:55:50,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:50,936 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:50,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:50,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:50,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,954 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:55:50,954 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:55:50,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:50,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:50,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:50,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,977 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-06-11 09:55:50,977 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size [2021-06-11 09:55:50,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:50,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:50,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:50,993 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:55:50,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:50,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:50,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:55:50,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 09:55:50,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:50,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:50,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:51,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:51,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:51,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:51,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:51,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,016 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size 39 [2021-06-11 09:55:51,017 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-06-11 09:55:51,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-11 09:55:51,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-11 09:55:51,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-11 09:55:51,046 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-06-11 09:55:51,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 09:55:51,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:51,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:51,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:51,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:51,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:51,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:51,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:51,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:51,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:51,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:51,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:51,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-06-11 09:55:51,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574058264] [2021-06-11 09:55:51,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 09:55:51,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:51,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 09:55:51,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-06-11 09:55:51,077 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:51,078 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 75 transitions, 690 flow. Second operand has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:51,078 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:51,078 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:51,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:51,231 INFO L129 PetriNetUnfolder]: 43/110 cut-off events. [2021-06-11 09:55:51,231 INFO L130 PetriNetUnfolder]: For 1686/1686 co-relation queries the response was YES. [2021-06-11 09:55:51,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 790 conditions, 110 events. 43/110 cut-off events. For 1686/1686 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 424 event pairs, 1 based on Foata normal form. 2/110 useless extension candidates. Maximal degree in co-relation 735. Up to 85 conditions per place. [2021-06-11 09:55:51,233 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 60 selfloop transitions, 13 changer transitions 2/79 dead transitions. [2021-06-11 09:55:51,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 79 transitions, 944 flow [2021-06-11 09:55:51,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 09:55:51,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 09:55:51,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 132 transitions. [2021-06-11 09:55:51,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2021-06-11 09:55:51,238 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 132 transitions. [2021-06-11 09:55:51,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 132 transitions. [2021-06-11 09:55:51,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:51,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 132 transitions. [2021-06-11 09:55:51,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.0) internal successors, (132), 11 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:51,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:51,244 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:51,244 INFO L185 Difference]: Start difference. First operand has 104 places, 75 transitions, 690 flow. Second operand 11 states and 132 transitions. [2021-06-11 09:55:51,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 79 transitions, 944 flow [2021-06-11 09:55:51,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 79 transitions, 821 flow, removed 46 selfloop flow, removed 8 redundant places. [2021-06-11 09:55:51,252 INFO L241 Difference]: Finished difference. Result has 110 places, 77 transitions, 679 flow [2021-06-11 09:55:51,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=679, PETRI_PLACES=110, PETRI_TRANSITIONS=77} [2021-06-11 09:55:51,253 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 95 predicate places. [2021-06-11 09:55:51,253 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:51,253 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 77 transitions, 679 flow [2021-06-11 09:55:51,253 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 77 transitions, 679 flow [2021-06-11 09:55:51,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 77 transitions, 679 flow [2021-06-11 09:55:51,262 INFO L129 PetriNetUnfolder]: 41/104 cut-off events. [2021-06-11 09:55:51,262 INFO L130 PetriNetUnfolder]: For 1491/1491 co-relation queries the response was YES. [2021-06-11 09:55:51,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 627 conditions, 104 events. 41/104 cut-off events. For 1491/1491 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 428 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 570. Up to 24 conditions per place. [2021-06-11 09:55:51,264 INFO L151 LiptonReduction]: Number of co-enabled transitions 48 [2021-06-11 09:55:51,268 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:51,268 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:51,268 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-06-11 09:55:51,269 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 77 transitions, 679 flow [2021-06-11 09:55:51,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:51,269 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:51,269 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:51,488 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:51,489 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:51,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:51,489 INFO L82 PathProgramCache]: Analyzing trace with hash 383017127, now seen corresponding path program 25 times [2021-06-11 09:55:51,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:51,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351882239] [2021-06-11 09:55:51,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:51,498 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-06-11 09:55:51,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:51,504 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-06-11 09:55:51,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:51,511 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:55:51,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:51,520 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:51,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:51,533 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-06-11 09:55:51,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:51,543 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:51,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:51,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:51,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351882239] [2021-06-11 09:55:51,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170545385] [2021-06-11 09:55:51,551 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:51,569 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-11 09:55:51,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:51,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:51,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:51,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:51,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:51,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:51,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:51,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:51,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:51,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:51,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:51,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:51,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:51,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,587 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:55:51,587 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:55:51,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:51,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:51,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:51,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:51,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:51,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:51,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:51,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,617 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 47 [2021-06-11 09:55:51,617 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-11 09:55:51,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:55:51,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:55:51,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:55:51,636 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:55:51,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:51,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:51,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:51,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-06-11 09:55:51,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 09:55:51,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-06-11 09:55:51,664 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:55:51,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:55:51,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:51,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:51,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:55:51,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:51,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:51,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:51,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:51,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:51,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:51,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:51,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:51,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:51,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:51,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:55:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:51,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:51,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-06-11 09:55:51,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828390243] [2021-06-11 09:55:51,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-11 09:55:51,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:51,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-11 09:55:51,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-06-11 09:55:51,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:51,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 77 transitions, 679 flow. Second operand has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:51,715 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:51,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:51,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:51,899 INFO L129 PetriNetUnfolder]: 43/105 cut-off events. [2021-06-11 09:55:51,899 INFO L130 PetriNetUnfolder]: For 1600/1600 co-relation queries the response was YES. [2021-06-11 09:55:51,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 105 events. 43/105 cut-off events. For 1600/1600 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 401 event pairs, 1 based on Foata normal form. 1/104 useless extension candidates. Maximal degree in co-relation 674. Up to 82 conditions per place. [2021-06-11 09:55:51,901 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 61 selfloop transitions, 14 changer transitions 1/80 dead transitions. [2021-06-11 09:55:51,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 80 transitions, 880 flow [2021-06-11 09:55:51,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 09:55:51,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 09:55:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 100 transitions. [2021-06-11 09:55:51,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44642857142857145 [2021-06-11 09:55:51,902 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 100 transitions. [2021-06-11 09:55:51,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 100 transitions. [2021-06-11 09:55:51,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:51,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 100 transitions. [2021-06-11 09:55:51,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:51,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:51,903 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:51,904 INFO L185 Difference]: Start difference. First operand has 108 places, 77 transitions, 679 flow. Second operand 8 states and 100 transitions. [2021-06-11 09:55:51,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 80 transitions, 880 flow [2021-06-11 09:55:51,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 80 transitions, 826 flow, removed 16 selfloop flow, removed 8 redundant places. [2021-06-11 09:55:51,911 INFO L241 Difference]: Finished difference. Result has 110 places, 79 transitions, 711 flow [2021-06-11 09:55:51,911 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=711, PETRI_PLACES=110, PETRI_TRANSITIONS=79} [2021-06-11 09:55:51,911 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 95 predicate places. [2021-06-11 09:55:51,911 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:51,911 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 79 transitions, 711 flow [2021-06-11 09:55:51,911 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 79 transitions, 711 flow [2021-06-11 09:55:51,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 79 transitions, 711 flow [2021-06-11 09:55:51,920 INFO L129 PetriNetUnfolder]: 41/102 cut-off events. [2021-06-11 09:55:51,920 INFO L130 PetriNetUnfolder]: For 1486/1486 co-relation queries the response was YES. [2021-06-11 09:55:51,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 621 conditions, 102 events. 41/102 cut-off events. For 1486/1486 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 395 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 567. Up to 23 conditions per place. [2021-06-11 09:55:51,922 INFO L151 LiptonReduction]: Number of co-enabled transitions 46 [2021-06-11 09:55:51,925 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:51,926 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:51,926 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-06-11 09:55:51,927 INFO L480 AbstractCegarLoop]: Abstraction has has 109 places, 79 transitions, 711 flow [2021-06-11 09:55:51,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 11.0) internal successors, (154), 14 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:51,927 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:51,927 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:52,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:52,141 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:52,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:52,141 INFO L82 PathProgramCache]: Analyzing trace with hash -456346649, now seen corresponding path program 26 times [2021-06-11 09:55:52,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:52,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89988666] [2021-06-11 09:55:52,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:52,157 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:55:52,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:52,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:52,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:52,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:52,187 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:55:52,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:52,203 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:55:52,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:52,216 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:52,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:52,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89988666] [2021-06-11 09:55:52,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371818447] [2021-06-11 09:55:52,228 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:52,250 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:55:52,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:52,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:55:52,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:52,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:52,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:52,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:52,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:52,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:52,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:52,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:52,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:52,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:52,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:52,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:52,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:52,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:52,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:52,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:52,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:52,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,275 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-06-11 09:55:52,275 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-06-11 09:55:52,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:52,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:52,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:52,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,291 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size 31 [2021-06-11 09:55:52,291 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-06-11 09:55:52,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:52,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:52,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:52,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,309 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:55:52,310 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:55:52,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:52,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:52,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:52,332 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:55:52,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 09:55:52,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:52,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:52,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-06-11 09:55:52,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 09:55:52,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 09:55:52,366 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-06-11 09:55:52,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:55:52,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:52,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 09:55:52,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-06-11 09:55:52,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,373 INFO L147 QuantifierPusher]: treesize reduction -4, result has 103.5 percent of original size 119 [2021-06-11 09:55:52,373 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.5 percent of original size [2021-06-11 09:55:52,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-06-11 09:55:52,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:52,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:52,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:52,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:52,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:52,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:52,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:52,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:52,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:52,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:55:52,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993263721] [2021-06-11 09:55:52,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:55:52,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:52,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:55:52,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:55:52,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:52,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 79 transitions, 711 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:52,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:52,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:52,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:52,667 INFO L129 PetriNetUnfolder]: 46/116 cut-off events. [2021-06-11 09:55:52,667 INFO L130 PetriNetUnfolder]: For 2361/2361 co-relation queries the response was YES. [2021-06-11 09:55:52,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 862 conditions, 116 events. 46/116 cut-off events. For 2361/2361 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 463 event pairs, 1 based on Foata normal form. 1/115 useless extension candidates. Maximal degree in co-relation 803. Up to 85 conditions per place. [2021-06-11 09:55:52,668 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 65 selfloop transitions, 16 changer transitions 1/86 dead transitions. [2021-06-11 09:55:52,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 86 transitions, 1057 flow [2021-06-11 09:55:52,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:55:52,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:55:52,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 115 transitions. [2021-06-11 09:55:52,669 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45634920634920634 [2021-06-11 09:55:52,669 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 115 transitions. [2021-06-11 09:55:52,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 115 transitions. [2021-06-11 09:55:52,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:52,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 115 transitions. [2021-06-11 09:55:52,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:52,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:52,670 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:52,670 INFO L185 Difference]: Start difference. First operand has 109 places, 79 transitions, 711 flow. Second operand 9 states and 115 transitions. [2021-06-11 09:55:52,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 86 transitions, 1057 flow [2021-06-11 09:55:52,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 86 transitions, 972 flow, removed 33 selfloop flow, removed 5 redundant places. [2021-06-11 09:55:52,679 INFO L241 Difference]: Finished difference. Result has 115 places, 83 transitions, 799 flow [2021-06-11 09:55:52,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=799, PETRI_PLACES=115, PETRI_TRANSITIONS=83} [2021-06-11 09:55:52,679 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 100 predicate places. [2021-06-11 09:55:52,679 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:52,679 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 83 transitions, 799 flow [2021-06-11 09:55:52,679 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 83 transitions, 799 flow [2021-06-11 09:55:52,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 83 transitions, 799 flow [2021-06-11 09:55:52,689 INFO L129 PetriNetUnfolder]: 44/113 cut-off events. [2021-06-11 09:55:52,689 INFO L130 PetriNetUnfolder]: For 1963/1963 co-relation queries the response was YES. [2021-06-11 09:55:52,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 113 events. 44/113 cut-off events. For 1963/1963 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 458 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 654. Up to 27 conditions per place. [2021-06-11 09:55:52,690 INFO L151 LiptonReduction]: Number of co-enabled transitions 48 [2021-06-11 09:55:52,692 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:52,693 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:52,693 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-06-11 09:55:52,693 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 83 transitions, 799 flow [2021-06-11 09:55:52,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:52,693 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:52,693 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:52,893 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-06-11 09:55:52,894 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:52,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:52,894 INFO L82 PathProgramCache]: Analyzing trace with hash -570863253, now seen corresponding path program 27 times [2021-06-11 09:55:52,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:52,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290337956] [2021-06-11 09:55:52,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:52,910 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:52,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:52,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:52,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:52,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:52,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:52,939 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:52,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:52,956 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:52,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:52,967 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:52,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:52,978 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:52,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290337956] [2021-06-11 09:55:52,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271257169] [2021-06-11 09:55:52,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:52,998 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 09:55:52,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:52,999 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:55:52,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:53,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:53,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:53,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:53,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:53,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:53,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:53,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:53,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:55:53,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:53,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:53,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:53,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:53,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,048 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-06-11 09:55:53,049 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-11 09:55:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:53,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:53,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:53,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,070 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:55:53,070 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 09:55:53,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:53,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:53,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:53,087 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:55:53,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:53,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:53,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:55:53,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:53,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:53,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:53,109 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:55:53,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:53,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:53,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:53,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:53,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:53,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:53,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:53,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:53,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:53,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:53,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:53,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:53,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:53,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:53,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:53,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:55:53,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86831193] [2021-06-11 09:55:53,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:55:53,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:53,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:55:53,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:55:53,154 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:53,154 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 83 transitions, 799 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:53,154 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:53,154 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:53,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:53,535 INFO L129 PetriNetUnfolder]: 49/139 cut-off events. [2021-06-11 09:55:53,536 INFO L130 PetriNetUnfolder]: For 3169/3171 co-relation queries the response was YES. [2021-06-11 09:55:53,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1088 conditions, 139 events. 49/139 cut-off events. For 3169/3171 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 594 event pairs, 1 based on Foata normal form. 3/141 useless extension candidates. Maximal degree in co-relation 1015. Up to 94 conditions per place. [2021-06-11 09:55:53,537 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 74 selfloop transitions, 20 changer transitions 1/99 dead transitions. [2021-06-11 09:55:53,538 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 99 transitions, 1371 flow [2021-06-11 09:55:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 09:55:53,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 09:55:53,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 165 transitions. [2021-06-11 09:55:53,539 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4532967032967033 [2021-06-11 09:55:53,539 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 165 transitions. [2021-06-11 09:55:53,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 165 transitions. [2021-06-11 09:55:53,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:53,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 165 transitions. [2021-06-11 09:55:53,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 13 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:53,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:53,540 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:53,540 INFO L185 Difference]: Start difference. First operand has 114 places, 83 transitions, 799 flow. Second operand 13 states and 165 transitions. [2021-06-11 09:55:53,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 99 transitions, 1371 flow [2021-06-11 09:55:53,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 99 transitions, 1254 flow, removed 51 selfloop flow, removed 5 redundant places. [2021-06-11 09:55:53,553 INFO L241 Difference]: Finished difference. Result has 124 places, 90 transitions, 962 flow [2021-06-11 09:55:53,553 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=962, PETRI_PLACES=124, PETRI_TRANSITIONS=90} [2021-06-11 09:55:53,553 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 109 predicate places. [2021-06-11 09:55:53,553 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:53,553 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 90 transitions, 962 flow [2021-06-11 09:55:53,553 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 90 transitions, 962 flow [2021-06-11 09:55:53,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 90 transitions, 962 flow [2021-06-11 09:55:53,565 INFO L129 PetriNetUnfolder]: 47/136 cut-off events. [2021-06-11 09:55:53,565 INFO L130 PetriNetUnfolder]: For 2602/2602 co-relation queries the response was YES. [2021-06-11 09:55:53,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 900 conditions, 136 events. 47/136 cut-off events. For 2602/2602 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 569 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 831. Up to 37 conditions per place. [2021-06-11 09:55:53,567 INFO L151 LiptonReduction]: Number of co-enabled transitions 56 [2021-06-11 09:55:53,572 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:53,572 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:53,572 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-06-11 09:55:53,572 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 90 transitions, 962 flow [2021-06-11 09:55:53,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:53,572 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:53,572 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:53,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:53,793 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:53,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:53,793 INFO L82 PathProgramCache]: Analyzing trace with hash -466724719, now seen corresponding path program 28 times [2021-06-11 09:55:53,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:53,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492293485] [2021-06-11 09:55:53,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:53,803 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:53,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:53,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:53,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:53,835 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:53,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:53,850 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:55:53,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:53,862 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:53,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:53,871 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:53,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492293485] [2021-06-11 09:55:53,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648008452] [2021-06-11 09:55:53,871 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:53,889 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:55:53,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:53,890 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:55:53,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:53,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:53,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,903 INFO L147 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size 21 [2021-06-11 09:55:53,903 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:55:53,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:53,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:53,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:53,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,919 INFO L147 QuantifierPusher]: treesize reduction 8, result has 74.2 percent of original size 23 [2021-06-11 09:55:53,920 INFO L142 QuantifierPusher]: treesize reduction 8, result has 74.2 percent of original size [2021-06-11 09:55:53,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:53,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:53,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:53,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,937 INFO L147 QuantifierPusher]: treesize reduction -1, result has 103.4 percent of original size 30 [2021-06-11 09:55:53,938 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.4 percent of original size [2021-06-11 09:55:53,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:53,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:53,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:53,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,959 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:55:53,959 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 09:55:53,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:53,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:53,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:53,982 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:55:53,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:53,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:53,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:53,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:53,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:53,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:53,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:54,004 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:55:54,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:54,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:54,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:55:54,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:54,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,037 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:54,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:54,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:55:54,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081279185] [2021-06-11 09:55:54,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:55:54,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:54,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:55:54,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:55:54,038 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:54,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 90 transitions, 962 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:54,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:54,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:54,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:54,235 INFO L129 PetriNetUnfolder]: 52/150 cut-off events. [2021-06-11 09:55:54,235 INFO L130 PetriNetUnfolder]: For 3722/3722 co-relation queries the response was YES. [2021-06-11 09:55:54,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 150 events. 52/150 cut-off events. For 3722/3722 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 680 event pairs, 1 based on Foata normal form. 1/150 useless extension candidates. Maximal degree in co-relation 1118. Up to 100 conditions per place. [2021-06-11 09:55:54,237 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 60 selfloop transitions, 32 changer transitions 1/97 dead transitions. [2021-06-11 09:55:54,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 97 transitions, 1350 flow [2021-06-11 09:55:54,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 09:55:54,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 09:55:54,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 153 transitions. [2021-06-11 09:55:54,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45535714285714285 [2021-06-11 09:55:54,238 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 153 transitions. [2021-06-11 09:55:54,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 153 transitions. [2021-06-11 09:55:54,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:54,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 153 transitions. [2021-06-11 09:55:54,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.75) internal successors, (153), 12 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:54,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:54,239 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:54,239 INFO L185 Difference]: Start difference. First operand has 123 places, 90 transitions, 962 flow. Second operand 12 states and 153 transitions. [2021-06-11 09:55:54,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 97 transitions, 1350 flow [2021-06-11 09:55:54,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 97 transitions, 1187 flow, removed 73 selfloop flow, removed 6 redundant places. [2021-06-11 09:55:54,250 INFO L241 Difference]: Finished difference. Result has 131 places, 94 transitions, 1016 flow [2021-06-11 09:55:54,250 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1016, PETRI_PLACES=131, PETRI_TRANSITIONS=94} [2021-06-11 09:55:54,250 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 116 predicate places. [2021-06-11 09:55:54,250 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:54,251 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 94 transitions, 1016 flow [2021-06-11 09:55:54,251 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 94 transitions, 1016 flow [2021-06-11 09:55:54,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 94 transitions, 1016 flow [2021-06-11 09:55:54,264 INFO L129 PetriNetUnfolder]: 50/147 cut-off events. [2021-06-11 09:55:54,264 INFO L130 PetriNetUnfolder]: For 3028/3028 co-relation queries the response was YES. [2021-06-11 09:55:54,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 147 events. 50/147 cut-off events. For 3028/3028 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 650 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 907. Up to 41 conditions per place. [2021-06-11 09:55:54,266 INFO L151 LiptonReduction]: Number of co-enabled transitions 58 [2021-06-11 09:55:54,271 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:54,271 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:54,271 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-06-11 09:55:54,271 INFO L480 AbstractCegarLoop]: Abstraction has has 130 places, 94 transitions, 1016 flow [2021-06-11 09:55:54,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:54,271 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:54,271 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:54,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-06-11 09:55:54,485 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:54,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:54,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1090989239, now seen corresponding path program 29 times [2021-06-11 09:55:54,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:54,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091714215] [2021-06-11 09:55:54,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:54,505 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:54,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:54,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:54,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:54,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:54,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:55:54,546 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:54,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:54,560 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:54,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:54,573 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:54,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091714215] [2021-06-11 09:55:54,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022775861] [2021-06-11 09:55:54,573 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:54,626 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 09:55:54,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:54,627 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:55:54,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:54,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:54,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:54,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:54,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:54,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:54,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:54,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:54,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:54,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:54,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:54,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:54,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:54,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:54,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:54,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:54,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:54,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,650 INFO L147 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size 16 [2021-06-11 09:55:54,650 INFO L142 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size [2021-06-11 09:55:54,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:54,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:54,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:54,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,665 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-06-11 09:55:54,665 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-11 09:55:54,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:54,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:54,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:54,680 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:55:54,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:54,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:54,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:54,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:54,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:54,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:54,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:54,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:54,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:54,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:54,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:54,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:54,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:54,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:54,723 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:55:54,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:54,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:54,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:54,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:54,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:54,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:54,749 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:54,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:54,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:55:54,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155903493] [2021-06-11 09:55:54,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:55:54,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:54,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:55:54,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:55:54,750 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:54,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 94 transitions, 1016 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:54,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:54,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:54,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:55,014 INFO L129 PetriNetUnfolder]: 52/148 cut-off events. [2021-06-11 09:55:55,014 INFO L130 PetriNetUnfolder]: For 3382/3382 co-relation queries the response was YES. [2021-06-11 09:55:55,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1165 conditions, 148 events. 52/148 cut-off events. For 3382/3382 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 654 event pairs, 1 based on Foata normal form. 4/151 useless extension candidates. Maximal degree in co-relation 1092. Up to 106 conditions per place. [2021-06-11 09:55:55,015 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 74 selfloop transitions, 11 changer transitions 8/97 dead transitions. [2021-06-11 09:55:55,015 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 97 transitions, 1304 flow [2021-06-11 09:55:55,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 09:55:55,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 09:55:55,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 134 transitions. [2021-06-11 09:55:55,016 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43506493506493504 [2021-06-11 09:55:55,016 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 134 transitions. [2021-06-11 09:55:55,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 134 transitions. [2021-06-11 09:55:55,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:55,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 134 transitions. [2021-06-11 09:55:55,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.181818181818182) internal successors, (134), 11 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:55,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:55,021 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:55,021 INFO L185 Difference]: Start difference. First operand has 130 places, 94 transitions, 1016 flow. Second operand 11 states and 134 transitions. [2021-06-11 09:55:55,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 97 transitions, 1304 flow [2021-06-11 09:55:55,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 97 transitions, 1142 flow, removed 57 selfloop flow, removed 9 redundant places. [2021-06-11 09:55:55,033 INFO L241 Difference]: Finished difference. Result has 135 places, 89 transitions, 818 flow [2021-06-11 09:55:55,033 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=856, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=818, PETRI_PLACES=135, PETRI_TRANSITIONS=89} [2021-06-11 09:55:55,033 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 120 predicate places. [2021-06-11 09:55:55,033 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:55,033 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 89 transitions, 818 flow [2021-06-11 09:55:55,033 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 89 transitions, 818 flow [2021-06-11 09:55:55,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 89 transitions, 818 flow [2021-06-11 09:55:55,044 INFO L129 PetriNetUnfolder]: 49/132 cut-off events. [2021-06-11 09:55:55,045 INFO L130 PetriNetUnfolder]: For 2288/2288 co-relation queries the response was YES. [2021-06-11 09:55:55,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 806 conditions, 132 events. 49/132 cut-off events. For 2288/2288 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 558 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 734. Up to 33 conditions per place. [2021-06-11 09:55:55,046 INFO L151 LiptonReduction]: Number of co-enabled transitions 50 [2021-06-11 09:55:55,049 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:55,049 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:55,050 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-06-11 09:55:55,050 INFO L480 AbstractCegarLoop]: Abstraction has has 126 places, 89 transitions, 818 flow [2021-06-11 09:55:55,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:55,050 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:55,050 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:55,268 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:55,269 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:55,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:55,269 INFO L82 PathProgramCache]: Analyzing trace with hash 407015961, now seen corresponding path program 30 times [2021-06-11 09:55:55,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:55,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949892030] [2021-06-11 09:55:55,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:55,282 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:55,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:55,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:55,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:55,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:55,312 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:55,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:55,327 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:55:55,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:55,340 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:55,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:55,350 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:55,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949892030] [2021-06-11 09:55:55,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873346548] [2021-06-11 09:55:55,352 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:55,376 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 09:55:55,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:55,376 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:55:55,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:55,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:55,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:55,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:55,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:55,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:55,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:55,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:55,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:55,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:55,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:55,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:55,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:55,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:55,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:55,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:55,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:55,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:55,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:55,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:55,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:55:55,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,420 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-06-11 09:55:55,420 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-11 09:55:55,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:55,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:55,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:55,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:55,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:55,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:55,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:55,452 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:55:55,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:55,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:55,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:55,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:55,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:55,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:55,472 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:55:55,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:55,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:55,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:55:55,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:55,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:55,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:55,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:55,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:55,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:55,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:55,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:55,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:55,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:55,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:55,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:55,501 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:55,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:55,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:55:55,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313586002] [2021-06-11 09:55:55,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:55:55,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:55,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:55:55,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:55:55,502 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:55,502 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 89 transitions, 818 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:55,502 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:55,502 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:55,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:55,898 INFO L129 PetriNetUnfolder]: 54/156 cut-off events. [2021-06-11 09:55:55,899 INFO L130 PetriNetUnfolder]: For 4035/4035 co-relation queries the response was YES. [2021-06-11 09:55:55,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1205 conditions, 156 events. 54/156 cut-off events. For 4035/4035 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 708 event pairs, 1 based on Foata normal form. 1/156 useless extension candidates. Maximal degree in co-relation 1130. Up to 100 conditions per place. [2021-06-11 09:55:55,900 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 62 selfloop transitions, 35 changer transitions 1/102 dead transitions. [2021-06-11 09:55:55,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 102 transitions, 1394 flow [2021-06-11 09:55:55,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-11 09:55:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-06-11 09:55:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 222 transitions. [2021-06-11 09:55:55,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44047619047619047 [2021-06-11 09:55:55,901 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 222 transitions. [2021-06-11 09:55:55,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 222 transitions. [2021-06-11 09:55:55,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:55,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 222 transitions. [2021-06-11 09:55:55,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 12.333333333333334) internal successors, (222), 18 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:55,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 28.0) internal successors, (532), 19 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:55,902 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 28.0) internal successors, (532), 19 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:55,903 INFO L185 Difference]: Start difference. First operand has 126 places, 89 transitions, 818 flow. Second operand 18 states and 222 transitions. [2021-06-11 09:55:55,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 102 transitions, 1394 flow [2021-06-11 09:55:55,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 102 transitions, 1336 flow, removed 15 selfloop flow, removed 12 redundant places. [2021-06-11 09:55:55,915 INFO L241 Difference]: Finished difference. Result has 133 places, 97 transitions, 1148 flow [2021-06-11 09:55:55,915 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1148, PETRI_PLACES=133, PETRI_TRANSITIONS=97} [2021-06-11 09:55:55,915 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 118 predicate places. [2021-06-11 09:55:55,915 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:55,916 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 97 transitions, 1148 flow [2021-06-11 09:55:55,916 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 97 transitions, 1148 flow [2021-06-11 09:55:55,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 97 transitions, 1148 flow [2021-06-11 09:55:55,929 INFO L129 PetriNetUnfolder]: 52/153 cut-off events. [2021-06-11 09:55:55,929 INFO L130 PetriNetUnfolder]: For 3570/3570 co-relation queries the response was YES. [2021-06-11 09:55:55,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1038 conditions, 153 events. 52/153 cut-off events. For 3570/3570 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 706 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 965. Up to 40 conditions per place. [2021-06-11 09:55:55,930 INFO L151 LiptonReduction]: Number of co-enabled transitions 52 [2021-06-11 09:55:55,934 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:55,934 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:55,934 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-06-11 09:55:55,935 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 97 transitions, 1148 flow [2021-06-11 09:55:55,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:55,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:55,935 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:56,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-06-11 09:55:56,152 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:56,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:56,152 INFO L82 PathProgramCache]: Analyzing trace with hash -581327813, now seen corresponding path program 31 times [2021-06-11 09:55:56,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:56,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504560386] [2021-06-11 09:55:56,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:56,163 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:55:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:56,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:56,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:56,191 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:55:56,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:56,204 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:55:56,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:56,215 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:56,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:56,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504560386] [2021-06-11 09:55:56,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623656536] [2021-06-11 09:55:56,225 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:56,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:55:56,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:56,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:56,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:56,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:56,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:56,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,262 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-11 09:55:56,262 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-06-11 09:55:56,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:56,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:56,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:56,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,276 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size 31 [2021-06-11 09:55:56,276 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-06-11 09:55:56,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:56,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:56,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:56,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,292 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:55:56,292 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:55:56,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:56,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:56,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:56,310 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:55:56,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 09:55:56,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:56,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:56,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-11 09:55:56,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:56,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:56,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:56,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:56,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:56,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:56,338 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:55:56,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:55:56,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:56,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:56,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:55:56,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,342 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:55:56,343 INFO L142 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size [2021-06-11 09:55:56,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-06-11 09:55:56,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:56,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:56,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:56,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:56,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:56,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:55:56,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795084692] [2021-06-11 09:55:56,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:55:56,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:56,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:55:56,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:55:56,379 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:56,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 97 transitions, 1148 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:56,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:56,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:56,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:56,572 INFO L129 PetriNetUnfolder]: 57/171 cut-off events. [2021-06-11 09:55:56,572 INFO L130 PetriNetUnfolder]: For 5152/5154 co-relation queries the response was YES. [2021-06-11 09:55:56,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1403 conditions, 171 events. 57/171 cut-off events. For 5152/5154 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 824 event pairs, 2 based on Foata normal form. 3/173 useless extension candidates. Maximal degree in co-relation 1323. Up to 120 conditions per place. [2021-06-11 09:55:56,573 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 82 selfloop transitions, 18 changer transitions 1/105 dead transitions. [2021-06-11 09:55:56,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 105 transitions, 1576 flow [2021-06-11 09:55:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:55:56,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:55:56,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 116 transitions. [2021-06-11 09:55:56,574 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2021-06-11 09:55:56,574 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 116 transitions. [2021-06-11 09:55:56,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 116 transitions. [2021-06-11 09:55:56,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:56,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 116 transitions. [2021-06-11 09:55:56,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.88888888888889) internal successors, (116), 9 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:56,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:56,575 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:56,575 INFO L185 Difference]: Start difference. First operand has 132 places, 97 transitions, 1148 flow. Second operand 9 states and 116 transitions. [2021-06-11 09:55:56,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 105 transitions, 1576 flow [2021-06-11 09:55:56,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 105 transitions, 1210 flow, removed 144 selfloop flow, removed 19 redundant places. [2021-06-11 09:55:56,587 INFO L241 Difference]: Finished difference. Result has 124 places, 101 transitions, 987 flow [2021-06-11 09:55:56,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=987, PETRI_PLACES=124, PETRI_TRANSITIONS=101} [2021-06-11 09:55:56,587 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 109 predicate places. [2021-06-11 09:55:56,587 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:56,587 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 101 transitions, 987 flow [2021-06-11 09:55:56,587 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 101 transitions, 987 flow [2021-06-11 09:55:56,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 101 transitions, 987 flow [2021-06-11 09:55:56,600 INFO L129 PetriNetUnfolder]: 55/168 cut-off events. [2021-06-11 09:55:56,600 INFO L130 PetriNetUnfolder]: For 3462/3462 co-relation queries the response was YES. [2021-06-11 09:55:56,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1014 conditions, 168 events. 55/168 cut-off events. For 3462/3462 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 811 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 944. Up to 44 conditions per place. [2021-06-11 09:55:56,602 INFO L151 LiptonReduction]: Number of co-enabled transitions 56 [2021-06-11 09:55:56,607 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:56,607 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:56,607 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 09:55:56,607 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 101 transitions, 987 flow [2021-06-11 09:55:56,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:56,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:56,607 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:56,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-06-11 09:55:56,829 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:56,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:56,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1216195055, now seen corresponding path program 32 times [2021-06-11 09:55:56,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:56,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154878861] [2021-06-11 09:55:56,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:56,841 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:55:56,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:56,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:56,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:56,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:56,879 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:55:56,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:56,890 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:56,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:56,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154878861] [2021-06-11 09:55:56,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617564954] [2021-06-11 09:55:56,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:56,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:55:56,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:56,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:55:56,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:56,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:56,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,924 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-06-11 09:55:56,924 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-06-11 09:55:56,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:56,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:56,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:56,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,936 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:55:56,937 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 09:55:56,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:56,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:56,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:56,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:56,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:56,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:56,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:56,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,970 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size 37 [2021-06-11 09:55:56,970 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size [2021-06-11 09:55:56,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:56,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:56,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:56,985 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-06-11 09:55:56,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 09:55:56,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:56,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:56,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:55:56,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:56,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:56,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:57,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,004 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 46 [2021-06-11 09:55:57,004 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-11 09:55:57,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,025 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:55:57,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:55:57,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:57,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:57,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:55:57,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,029 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:55:57,030 INFO L142 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size [2021-06-11 09:55:57,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-06-11 09:55:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:57,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:57,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:55:57,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024239074] [2021-06-11 09:55:57,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:55:57,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:57,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:55:57,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:55:57,074 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:57,074 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 101 transitions, 987 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:57,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:57,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:57,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:57,200 INFO L129 PetriNetUnfolder]: 57/168 cut-off events. [2021-06-11 09:55:57,200 INFO L130 PetriNetUnfolder]: For 3745/3745 co-relation queries the response was YES. [2021-06-11 09:55:57,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 168 events. 57/168 cut-off events. For 3745/3745 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 802 event pairs, 1 based on Foata normal form. 1/167 useless extension candidates. Maximal degree in co-relation 1110. Up to 126 conditions per place. [2021-06-11 09:55:57,202 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 83 selfloop transitions, 15 changer transitions 1/103 dead transitions. [2021-06-11 09:55:57,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 103 transitions, 1258 flow [2021-06-11 09:55:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:55:57,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:55:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 111 transitions. [2021-06-11 09:55:57,208 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44047619047619047 [2021-06-11 09:55:57,208 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 111 transitions. [2021-06-11 09:55:57,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 111 transitions. [2021-06-11 09:55:57,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:57,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 111 transitions. [2021-06-11 09:55:57,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:57,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:57,209 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:57,210 INFO L185 Difference]: Start difference. First operand has 123 places, 101 transitions, 987 flow. Second operand 9 states and 111 transitions. [2021-06-11 09:55:57,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 103 transitions, 1258 flow [2021-06-11 09:55:57,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 103 transitions, 1121 flow, removed 60 selfloop flow, removed 5 redundant places. [2021-06-11 09:55:57,223 INFO L241 Difference]: Finished difference. Result has 128 places, 102 transitions, 923 flow [2021-06-11 09:55:57,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=866, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=923, PETRI_PLACES=128, PETRI_TRANSITIONS=102} [2021-06-11 09:55:57,224 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 113 predicate places. [2021-06-11 09:55:57,224 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:57,225 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 102 transitions, 923 flow [2021-06-11 09:55:57,225 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 102 transitions, 923 flow [2021-06-11 09:55:57,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 102 transitions, 923 flow [2021-06-11 09:55:57,238 INFO L129 PetriNetUnfolder]: 55/165 cut-off events. [2021-06-11 09:55:57,238 INFO L130 PetriNetUnfolder]: For 2771/2771 co-relation queries the response was YES. [2021-06-11 09:55:57,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 927 conditions, 165 events. 55/165 cut-off events. For 2771/2771 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 759 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 855. Up to 42 conditions per place. [2021-06-11 09:55:57,240 INFO L151 LiptonReduction]: Number of co-enabled transitions 56 [2021-06-11 09:55:57,244 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:57,244 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:57,244 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 09:55:57,244 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 102 transitions, 923 flow [2021-06-11 09:55:57,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:57,244 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:57,245 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:57,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-06-11 09:55:57,457 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:57,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:57,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1315815825, now seen corresponding path program 33 times [2021-06-11 09:55:57,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:57,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757962131] [2021-06-11 09:55:57,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:57,466 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:55:57,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:57,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:57,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:57,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:57,495 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:55:57,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:57,510 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:55:57,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:57,523 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:57,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:57,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757962131] [2021-06-11 09:55:57,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397472121] [2021-06-11 09:55:57,535 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:57,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 09:55:57,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:57,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:55:57,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:57,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:57,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:57,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:57,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:57,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:57,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:57,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:57,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:57,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:57,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:57,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:57,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:57,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:57,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:57,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:57,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:57,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,582 INFO L147 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size 18 [2021-06-11 09:55:57,583 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 09:55:57,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:57,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:57,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:57,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,596 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size 25 [2021-06-11 09:55:57,597 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-06-11 09:55:57,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:57,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:57,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:57,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,613 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:55:57,613 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:55:57,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:57,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:57,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:57,631 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:55:57,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 09:55:57,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:57,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:57,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-11 09:55:57,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,656 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:55:57,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:55:57,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:57,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:55:57,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,660 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:55:57,661 INFO L142 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size [2021-06-11 09:55:57,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-06-11 09:55:57,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:57,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:57,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:57,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:57,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:55:57,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813752898] [2021-06-11 09:55:57,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:55:57,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:57,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:55:57,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:55:57,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:57,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 102 transitions, 923 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:57,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:57,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:57,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:57,863 INFO L129 PetriNetUnfolder]: 60/183 cut-off events. [2021-06-11 09:55:57,863 INFO L130 PetriNetUnfolder]: For 4303/4303 co-relation queries the response was YES. [2021-06-11 09:55:57,863 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1303 conditions, 183 events. 60/183 cut-off events. For 4303/4303 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 913 event pairs, 2 based on Foata normal form. 1/182 useless extension candidates. Maximal degree in co-relation 1226. Up to 130 conditions per place. [2021-06-11 09:55:57,864 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 88 selfloop transitions, 17 changer transitions 1/110 dead transitions. [2021-06-11 09:55:57,864 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 110 transitions, 1361 flow [2021-06-11 09:55:57,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:55:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:55:57,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 116 transitions. [2021-06-11 09:55:57,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2021-06-11 09:55:57,865 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 116 transitions. [2021-06-11 09:55:57,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 116 transitions. [2021-06-11 09:55:57,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:57,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 116 transitions. [2021-06-11 09:55:57,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.88888888888889) internal successors, (116), 9 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:57,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:57,866 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:57,866 INFO L185 Difference]: Start difference. First operand has 127 places, 102 transitions, 923 flow. Second operand 9 states and 116 transitions. [2021-06-11 09:55:57,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 110 transitions, 1361 flow [2021-06-11 09:55:57,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 110 transitions, 1311 flow, removed 11 selfloop flow, removed 7 redundant places. [2021-06-11 09:55:57,877 INFO L241 Difference]: Finished difference. Result has 131 places, 106 transitions, 1066 flow [2021-06-11 09:55:57,877 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1066, PETRI_PLACES=131, PETRI_TRANSITIONS=106} [2021-06-11 09:55:57,877 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 116 predicate places. [2021-06-11 09:55:57,877 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:57,877 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 106 transitions, 1066 flow [2021-06-11 09:55:57,878 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 106 transitions, 1066 flow [2021-06-11 09:55:57,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 106 transitions, 1066 flow [2021-06-11 09:55:57,889 INFO L129 PetriNetUnfolder]: 58/180 cut-off events. [2021-06-11 09:55:57,889 INFO L130 PetriNetUnfolder]: For 4202/4202 co-relation queries the response was YES. [2021-06-11 09:55:57,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1124 conditions, 180 events. 58/180 cut-off events. For 4202/4202 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 915 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 1050. Up to 48 conditions per place. [2021-06-11 09:55:57,890 INFO L151 LiptonReduction]: Number of co-enabled transitions 60 [2021-06-11 09:55:57,894 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:57,894 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:57,894 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-06-11 09:55:57,894 INFO L480 AbstractCegarLoop]: Abstraction has has 130 places, 106 transitions, 1066 flow [2021-06-11 09:55:57,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:57,895 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:57,895 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:58,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-06-11 09:55:58,109 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:58,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:58,109 INFO L82 PathProgramCache]: Analyzing trace with hash -582135053, now seen corresponding path program 34 times [2021-06-11 09:55:58,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:58,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65903683] [2021-06-11 09:55:58,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:58,119 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:55:58,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:58,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:58,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:58,146 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:55:58,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:58,159 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:55:58,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:58,171 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:58,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:58,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:58,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65903683] [2021-06-11 09:55:58,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670211644] [2021-06-11 09:55:58,181 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:58,197 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:55:58,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:58,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:55:58,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:58,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,215 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-06-11 09:55:58,215 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-06-11 09:55:58,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:58,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:58,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:55:58,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,230 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-11 09:55:58,230 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-06-11 09:55:58,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:58,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:58,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:58,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,247 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.8 percent of original size 37 [2021-06-11 09:55:58,248 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.8 percent of original size [2021-06-11 09:55:58,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:58,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:58,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:55:58,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,266 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 46 [2021-06-11 09:55:58,267 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-11 09:55:58,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:58,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:58,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:58,290 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:55:58,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 09:55:58,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:58,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:58,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-06-11 09:55:58,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 09:55:58,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 09:55:58,325 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-06-11 09:55:58,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:55:58,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:58,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 09:55:58,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-06-11 09:55:58,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,331 INFO L147 QuantifierPusher]: treesize reduction -4, result has 103.5 percent of original size 119 [2021-06-11 09:55:58,332 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.5 percent of original size [2021-06-11 09:55:58,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-06-11 09:55:58,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:58,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:58,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:58,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:58,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:58,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:58,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:58,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:55:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:58,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:58,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:55:58,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646989224] [2021-06-11 09:55:58,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:55:58,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:58,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:55:58,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:55:58,387 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:58,387 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 106 transitions, 1066 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:58,387 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:58,387 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:58,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:58,593 INFO L129 PetriNetUnfolder]: 60/180 cut-off events. [2021-06-11 09:55:58,593 INFO L130 PetriNetUnfolder]: For 4509/4509 co-relation queries the response was YES. [2021-06-11 09:55:58,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1308 conditions, 180 events. 60/180 cut-off events. For 4509/4509 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 900 event pairs, 2 based on Foata normal form. 1/180 useless extension candidates. Maximal degree in co-relation 1229. Up to 131 conditions per place. [2021-06-11 09:55:58,595 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 84 selfloop transitions, 20 changer transitions 1/109 dead transitions. [2021-06-11 09:55:58,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 109 transitions, 1335 flow [2021-06-11 09:55:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:55:58,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:55:58,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 114 transitions. [2021-06-11 09:55:58,597 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2021-06-11 09:55:58,597 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 114 transitions. [2021-06-11 09:55:58,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 114 transitions. [2021-06-11 09:55:58,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:58,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 114 transitions. [2021-06-11 09:55:58,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:58,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:58,598 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:58,598 INFO L185 Difference]: Start difference. First operand has 130 places, 106 transitions, 1066 flow. Second operand 9 states and 114 transitions. [2021-06-11 09:55:58,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 109 transitions, 1335 flow [2021-06-11 09:55:58,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 109 transitions, 1206 flow, removed 56 selfloop flow, removed 5 redundant places. [2021-06-11 09:55:58,615 INFO L241 Difference]: Finished difference. Result has 136 places, 108 transitions, 1047 flow [2021-06-11 09:55:58,616 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1047, PETRI_PLACES=136, PETRI_TRANSITIONS=108} [2021-06-11 09:55:58,616 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 121 predicate places. [2021-06-11 09:55:58,616 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:58,616 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 108 transitions, 1047 flow [2021-06-11 09:55:58,616 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 108 transitions, 1047 flow [2021-06-11 09:55:58,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 108 transitions, 1047 flow [2021-06-11 09:55:58,631 INFO L129 PetriNetUnfolder]: 58/176 cut-off events. [2021-06-11 09:55:58,632 INFO L130 PetriNetUnfolder]: For 3558/3558 co-relation queries the response was YES. [2021-06-11 09:55:58,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 176 events. 58/176 cut-off events. For 3558/3558 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 871 event pairs, 1 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 981. Up to 47 conditions per place. [2021-06-11 09:55:58,634 INFO L151 LiptonReduction]: Number of co-enabled transitions 60 [2021-06-11 09:55:58,638 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:58,638 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:58,638 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-06-11 09:55:58,638 INFO L480 AbstractCegarLoop]: Abstraction has has 135 places, 108 transitions, 1047 flow [2021-06-11 09:55:58,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:58,638 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:58,639 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:58,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:58,845 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:58,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:58,845 INFO L82 PathProgramCache]: Analyzing trace with hash 291605627, now seen corresponding path program 35 times [2021-06-11 09:55:58,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:58,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455377898] [2021-06-11 09:55:58,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:58,855 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:55:58,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:58,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:58,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:58,880 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:55:58,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:58,893 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:55:58,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:58,904 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:58,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:58,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455377898] [2021-06-11 09:55:58,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638078440] [2021-06-11 09:55:58,914 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:58,931 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 09:55:58,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:58,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:55:58,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:58,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:55:58,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,940 INFO L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-06-11 09:55:58,940 INFO L142 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-06-11 09:55:58,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:58,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:58,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:55:58,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:58,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:58,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:58,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:55:58,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,964 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size 25 [2021-06-11 09:55:58,965 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-06-11 09:55:58,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:58,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:58,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:55:58,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,979 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.8 percent of original size 46 [2021-06-11 09:55:58,980 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.8 percent of original size [2021-06-11 09:55:58,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:58,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:58,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:55:58,997 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:55:58,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 09:55:58,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:58,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:58,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:59,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-11 09:55:59,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:59,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:59,036 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:55:59,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:55:59,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:59,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:55:59,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:55:59,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,040 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:55:59,041 INFO L142 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size [2021-06-11 09:55:59,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-06-11 09:55:59,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:59,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:59,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:59,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:59,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:59,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:59,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:59,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:55:59,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:59,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:59,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:55:59,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834135436] [2021-06-11 09:55:59,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:55:59,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:59,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:55:59,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:55:59,078 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:59,078 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 108 transitions, 1047 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:59,078 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:59,078 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:59,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:59,262 INFO L129 PetriNetUnfolder]: 60/176 cut-off events. [2021-06-11 09:55:59,262 INFO L130 PetriNetUnfolder]: For 4017/4017 co-relation queries the response was YES. [2021-06-11 09:55:59,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1242 conditions, 176 events. 60/176 cut-off events. For 4017/4017 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 841 event pairs, 2 based on Foata normal form. 1/176 useless extension candidates. Maximal degree in co-relation 1160. Up to 128 conditions per place. [2021-06-11 09:55:59,264 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 89 selfloop transitions, 18 changer transitions 1/112 dead transitions. [2021-06-11 09:55:59,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 112 transitions, 1328 flow [2021-06-11 09:55:59,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:55:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:55:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 115 transitions. [2021-06-11 09:55:59,265 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45634920634920634 [2021-06-11 09:55:59,265 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 115 transitions. [2021-06-11 09:55:59,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 115 transitions. [2021-06-11 09:55:59,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:55:59,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 115 transitions. [2021-06-11 09:55:59,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:59,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:59,265 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:59,265 INFO L185 Difference]: Start difference. First operand has 135 places, 108 transitions, 1047 flow. Second operand 9 states and 115 transitions. [2021-06-11 09:55:59,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 112 transitions, 1328 flow [2021-06-11 09:55:59,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 112 transitions, 1223 flow, removed 38 selfloop flow, removed 6 redundant places. [2021-06-11 09:55:59,278 INFO L241 Difference]: Finished difference. Result has 140 places, 110 transitions, 1049 flow [2021-06-11 09:55:59,278 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=948, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1049, PETRI_PLACES=140, PETRI_TRANSITIONS=110} [2021-06-11 09:55:59,279 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 125 predicate places. [2021-06-11 09:55:59,279 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:55:59,279 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 110 transitions, 1049 flow [2021-06-11 09:55:59,279 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 110 transitions, 1049 flow [2021-06-11 09:55:59,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 110 transitions, 1049 flow [2021-06-11 09:55:59,289 INFO L129 PetriNetUnfolder]: 58/172 cut-off events. [2021-06-11 09:55:59,289 INFO L130 PetriNetUnfolder]: For 3250/3250 co-relation queries the response was YES. [2021-06-11 09:55:59,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1022 conditions, 172 events. 58/172 cut-off events. For 3250/3250 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 838 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 943. Up to 43 conditions per place. [2021-06-11 09:55:59,291 INFO L151 LiptonReduction]: Number of co-enabled transitions 62 [2021-06-11 09:55:59,293 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:55:59,293 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:55:59,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-06-11 09:55:59,294 INFO L480 AbstractCegarLoop]: Abstraction has has 139 places, 110 transitions, 1049 flow [2021-06-11 09:55:59,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:59,294 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:55:59,294 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:55:59,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-06-11 09:55:59,495 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:55:59,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:55:59,496 INFO L82 PathProgramCache]: Analyzing trace with hash -467618449, now seen corresponding path program 36 times [2021-06-11 09:55:59,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:55:59,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640227273] [2021-06-11 09:55:59,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:55:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:55:59,509 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:55:59,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:59,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:59,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:55:59,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:59,541 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:55:59,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:55:59,556 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:55:59,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:55:59,569 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:55:59,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:55:59,580 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:59,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640227273] [2021-06-11 09:55:59,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021119784] [2021-06-11 09:55:59,581 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:55:59,601 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 09:55:59,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:55:59,602 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:55:59,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:55:59,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:59,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:59,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:59,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:59,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:59,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:59,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:59,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:59,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:59,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:59,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:59,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:55:59,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,613 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:55:59,613 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 09:55:59,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:59,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:59,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:59,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,628 INFO L147 QuantifierPusher]: treesize reduction 8, result has 74.2 percent of original size 23 [2021-06-11 09:55:59,629 INFO L142 QuantifierPusher]: treesize reduction 8, result has 74.2 percent of original size [2021-06-11 09:55:59,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:59,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:59,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:55:59,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,645 INFO L147 QuantifierPusher]: treesize reduction -1, result has 103.4 percent of original size 30 [2021-06-11 09:55:59,645 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.4 percent of original size [2021-06-11 09:55:59,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:59,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:59,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:55:59,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,667 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:55:59,668 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 09:55:59,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:59,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:59,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:55:59,694 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:55:59,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:55:59,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:59,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:55:59,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:55:59,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:59,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:55:59,724 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:55:59,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:55:59,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:55:59,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:55:59,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:55:59,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:59,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:59,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:59,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:59,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:59,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:59,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:59,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:59,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:59,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:55:59,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:55:59,764 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:55:59,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:55:59,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:55:59,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097953509] [2021-06-11 09:55:59,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:55:59,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:55:59,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:55:59,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:55:59,765 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:55:59,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 110 transitions, 1049 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:55:59,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:55:59,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:55:59,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:55:59,995 INFO L129 PetriNetUnfolder]: 60/177 cut-off events. [2021-06-11 09:55:59,995 INFO L130 PetriNetUnfolder]: For 3557/3557 co-relation queries the response was YES. [2021-06-11 09:55:59,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1217 conditions, 177 events. 60/177 cut-off events. For 3557/3557 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 872 event pairs, 2 based on Foata normal form. 1/177 useless extension candidates. Maximal degree in co-relation 1133. Up to 120 conditions per place. [2021-06-11 09:55:59,997 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 77 selfloop transitions, 32 changer transitions 1/114 dead transitions. [2021-06-11 09:55:59,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 114 transitions, 1330 flow [2021-06-11 09:56:00,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 09:56:00,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 09:56:00,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 153 transitions. [2021-06-11 09:56:00,009 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45535714285714285 [2021-06-11 09:56:00,009 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 153 transitions. [2021-06-11 09:56:00,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 153 transitions. [2021-06-11 09:56:00,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:00,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 153 transitions. [2021-06-11 09:56:00,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.75) internal successors, (153), 12 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:00,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:00,011 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:00,011 INFO L185 Difference]: Start difference. First operand has 139 places, 110 transitions, 1049 flow. Second operand 12 states and 153 transitions. [2021-06-11 09:56:00,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 114 transitions, 1330 flow [2021-06-11 09:56:00,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 114 transitions, 1228 flow, removed 37 selfloop flow, removed 6 redundant places. [2021-06-11 09:56:00,029 INFO L241 Difference]: Finished difference. Result has 147 places, 112 transitions, 1078 flow [2021-06-11 09:56:00,029 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1078, PETRI_PLACES=147, PETRI_TRANSITIONS=112} [2021-06-11 09:56:00,029 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 132 predicate places. [2021-06-11 09:56:00,029 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:00,029 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 112 transitions, 1078 flow [2021-06-11 09:56:00,029 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 112 transitions, 1078 flow [2021-06-11 09:56:00,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 112 transitions, 1078 flow [2021-06-11 09:56:00,044 INFO L129 PetriNetUnfolder]: 58/173 cut-off events. [2021-06-11 09:56:00,044 INFO L130 PetriNetUnfolder]: For 2872/2872 co-relation queries the response was YES. [2021-06-11 09:56:00,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 173 events. 58/173 cut-off events. For 2872/2872 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 835 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 913. Up to 38 conditions per place. [2021-06-11 09:56:00,046 INFO L151 LiptonReduction]: Number of co-enabled transitions 62 [2021-06-11 09:56:00,050 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:00,050 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:00,050 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-06-11 09:56:00,050 INFO L480 AbstractCegarLoop]: Abstraction has has 146 places, 112 transitions, 1078 flow [2021-06-11 09:56:00,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:00,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:00,051 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:00,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:00,265 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:00,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:00,265 INFO L82 PathProgramCache]: Analyzing trace with hash 323005341, now seen corresponding path program 37 times [2021-06-11 09:56:00,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:00,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281934334] [2021-06-11 09:56:00,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:00,273 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:00,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:00,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:00,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:00,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:00,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:00,313 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:56:00,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:00,324 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:00,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:00,333 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:00,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281934334] [2021-06-11 09:56:00,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999121548] [2021-06-11 09:56:00,333 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:00,349 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:00,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:00,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:00,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:00,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:00,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:00,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:00,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:00,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:00,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:00,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:00,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:00,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:00,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:00,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:00,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:00,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:00,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:00,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,374 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-06-11 09:56:00,374 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size [2021-06-11 09:56:00,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:00,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:00,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:00,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,390 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size 32 [2021-06-11 09:56:00,390 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-06-11 09:56:00,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:00,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:00,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:00,407 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-06-11 09:56:00,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 09:56:00,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:00,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:00,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:00,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:00,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:00,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,427 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-06-11 09:56:00,427 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.0 percent of original size [2021-06-11 09:56:00,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:00,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:00,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:00,448 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:56:00,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:56:00,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:00,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:00,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:00,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:00,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:00,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:00,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:00,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:00,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:00,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:00,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:00,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:00,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:00,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:00,477 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:00,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:00,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:00,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849698632] [2021-06-11 09:56:00,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:00,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:00,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:00,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:00,478 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:00,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 112 transitions, 1078 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:00,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:00,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:00,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:00,864 INFO L129 PetriNetUnfolder]: 60/176 cut-off events. [2021-06-11 09:56:00,865 INFO L130 PetriNetUnfolder]: For 3434/3434 co-relation queries the response was YES. [2021-06-11 09:56:00,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1213 conditions, 176 events. 60/176 cut-off events. For 3434/3434 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 853 event pairs, 2 based on Foata normal form. 3/178 useless extension candidates. Maximal degree in co-relation 1128. Up to 123 conditions per place. [2021-06-11 09:56:00,867 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 83 selfloop transitions, 15 changer transitions 12/114 dead transitions. [2021-06-11 09:56:00,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 114 transitions, 1372 flow [2021-06-11 09:56:00,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-11 09:56:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-11 09:56:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 181 transitions. [2021-06-11 09:56:00,868 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.430952380952381 [2021-06-11 09:56:00,868 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 181 transitions. [2021-06-11 09:56:00,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 181 transitions. [2021-06-11 09:56:00,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:00,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 181 transitions. [2021-06-11 09:56:00,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 15 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:00,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 28.0) internal successors, (448), 16 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:00,869 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 28.0) internal successors, (448), 16 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:00,869 INFO L185 Difference]: Start difference. First operand has 146 places, 112 transitions, 1078 flow. Second operand 15 states and 181 transitions. [2021-06-11 09:56:00,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 114 transitions, 1372 flow [2021-06-11 09:56:00,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 114 transitions, 1250 flow, removed 33 selfloop flow, removed 9 redundant places. [2021-06-11 09:56:00,884 INFO L241 Difference]: Finished difference. Result has 154 places, 102 transitions, 941 flow [2021-06-11 09:56:00,884 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=956, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=941, PETRI_PLACES=154, PETRI_TRANSITIONS=102} [2021-06-11 09:56:00,884 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 139 predicate places. [2021-06-11 09:56:00,885 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:00,885 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 102 transitions, 941 flow [2021-06-11 09:56:00,885 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 102 transitions, 941 flow [2021-06-11 09:56:00,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 102 transitions, 941 flow [2021-06-11 09:56:00,903 INFO L129 PetriNetUnfolder]: 56/157 cut-off events. [2021-06-11 09:56:00,903 INFO L130 PetriNetUnfolder]: For 2592/2592 co-relation queries the response was YES. [2021-06-11 09:56:00,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 913 conditions, 157 events. 56/157 cut-off events. For 2592/2592 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 734 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 830. Up to 32 conditions per place. [2021-06-11 09:56:00,905 INFO L151 LiptonReduction]: Number of co-enabled transitions 62 [2021-06-11 09:56:00,908 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:00,908 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:00,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-06-11 09:56:00,909 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 102 transitions, 941 flow [2021-06-11 09:56:00,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:00,909 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:00,909 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:01,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:01,124 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:01,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:01,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1241100331, now seen corresponding path program 38 times [2021-06-11 09:56:01,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:01,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668468224] [2021-06-11 09:56:01,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:01,133 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:01,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:01,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:01,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:01,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:01,169 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:56:01,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:01,180 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:01,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:01,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668468224] [2021-06-11 09:56:01,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226618497] [2021-06-11 09:56:01,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:01,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:56:01,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:01,205 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:01,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:01,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,213 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:56:01,213 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:56:01,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:01,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:01,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:01,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,226 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-11 09:56:01,227 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-11 09:56:01,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:01,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:01,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:01,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:01,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:01,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:01,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:01,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,243 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size 32 [2021-06-11 09:56:01,243 INFO L142 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size [2021-06-11 09:56:01,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:01,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:01,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:01,259 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-06-11 09:56:01,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 09:56:01,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:01,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:01,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:01,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:01,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:01,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,279 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size 39 [2021-06-11 09:56:01,279 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-06-11 09:56:01,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:01,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:01,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:01,301 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:56:01,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:56:01,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:01,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:01,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:01,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:01,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:01,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:01,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:01,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:01,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:01,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:01,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:01,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:01,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:01,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:01,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:01,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150422353] [2021-06-11 09:56:01,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:01,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:01,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:01,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:01,326 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:01,326 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 102 transitions, 941 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:01,326 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:01,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:01,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:01,530 INFO L129 PetriNetUnfolder]: 58/161 cut-off events. [2021-06-11 09:56:01,530 INFO L130 PetriNetUnfolder]: For 3169/3169 co-relation queries the response was YES. [2021-06-11 09:56:01,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1121 conditions, 161 events. 58/161 cut-off events. For 3169/3169 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 743 event pairs, 2 based on Foata normal form. 2/162 useless extension candidates. Maximal degree in co-relation 1033. Up to 118 conditions per place. [2021-06-11 09:56:01,531 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 80 selfloop transitions, 20 changer transitions 2/106 dead transitions. [2021-06-11 09:56:01,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 106 transitions, 1234 flow [2021-06-11 09:56:01,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 09:56:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 09:56:01,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 146 transitions. [2021-06-11 09:56:01,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43452380952380953 [2021-06-11 09:56:01,532 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 146 transitions. [2021-06-11 09:56:01,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 146 transitions. [2021-06-11 09:56:01,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:01,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 146 transitions. [2021-06-11 09:56:01,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:01,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:01,533 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:01,533 INFO L185 Difference]: Start difference. First operand has 141 places, 102 transitions, 941 flow. Second operand 12 states and 146 transitions. [2021-06-11 09:56:01,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 106 transitions, 1234 flow [2021-06-11 09:56:01,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 106 transitions, 1176 flow, removed 9 selfloop flow, removed 13 redundant places. [2021-06-11 09:56:01,544 INFO L241 Difference]: Finished difference. Result has 143 places, 104 transitions, 984 flow [2021-06-11 09:56:01,545 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=984, PETRI_PLACES=143, PETRI_TRANSITIONS=104} [2021-06-11 09:56:01,545 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 128 predicate places. [2021-06-11 09:56:01,545 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:01,545 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 104 transitions, 984 flow [2021-06-11 09:56:01,545 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 104 transitions, 984 flow [2021-06-11 09:56:01,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 104 transitions, 984 flow [2021-06-11 09:56:01,558 INFO L129 PetriNetUnfolder]: 56/154 cut-off events. [2021-06-11 09:56:01,558 INFO L130 PetriNetUnfolder]: For 2783/2783 co-relation queries the response was YES. [2021-06-11 09:56:01,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 154 events. 56/154 cut-off events. For 2783/2783 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 707 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 842. Up to 33 conditions per place. [2021-06-11 09:56:01,560 INFO L151 LiptonReduction]: Number of co-enabled transitions 62 [2021-06-11 09:56:01,564 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:01,564 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:01,564 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-06-11 09:56:01,564 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 104 transitions, 984 flow [2021-06-11 09:56:01,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:01,570 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:01,570 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:01,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-06-11 09:56:01,789 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:01,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:01,789 INFO L82 PathProgramCache]: Analyzing trace with hash 406122231, now seen corresponding path program 39 times [2021-06-11 09:56:01,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:01,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750551247] [2021-06-11 09:56:01,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:01,798 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:01,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:01,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:01,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:01,837 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:56:01,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:01,849 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:56:01,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:01,860 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:01,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:01,870 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:01,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750551247] [2021-06-11 09:56:01,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57093077] [2021-06-11 09:56:01,870 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:01,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-11 09:56:01,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:01,886 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:01,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:01,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:01,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,896 INFO L147 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size 21 [2021-06-11 09:56:01,896 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:01,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:01,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:01,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:01,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,911 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size 30 [2021-06-11 09:56:01,911 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-06-11 09:56:01,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:01,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:01,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:01,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,926 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-06-11 09:56:01,926 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-11 09:56:01,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:01,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:01,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:01,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:01,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:01,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:01,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:01,958 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:56:01,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:01,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:01,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:01,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:56:01,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:01,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:01,981 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:56:01,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:56:01,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:01,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:01,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:01,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:01,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:01,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:02,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:02,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:02,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:02,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:02,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:02,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:02,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:02,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:02,014 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:02,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:02,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:02,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459440790] [2021-06-11 09:56:02,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:02,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:02,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:02,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:02,015 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:02,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 104 transitions, 984 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:02,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:02,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:02,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:02,241 INFO L129 PetriNetUnfolder]: 58/154 cut-off events. [2021-06-11 09:56:02,241 INFO L130 PetriNetUnfolder]: For 3047/3047 co-relation queries the response was YES. [2021-06-11 09:56:02,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1087 conditions, 154 events. 58/154 cut-off events. For 3047/3047 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 693 event pairs, 2 based on Foata normal form. 1/154 useless extension candidates. Maximal degree in co-relation 1003. Up to 114 conditions per place. [2021-06-11 09:56:02,242 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 77 selfloop transitions, 25 changer transitions 1/107 dead transitions. [2021-06-11 09:56:02,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 107 transitions, 1243 flow [2021-06-11 09:56:02,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 09:56:02,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 09:56:02,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 162 transitions. [2021-06-11 09:56:02,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44505494505494503 [2021-06-11 09:56:02,245 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 162 transitions. [2021-06-11 09:56:02,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 162 transitions. [2021-06-11 09:56:02,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:02,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 162 transitions. [2021-06-11 09:56:02,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 13 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:02,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:02,246 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:02,246 INFO L185 Difference]: Start difference. First operand has 141 places, 104 transitions, 984 flow. Second operand 13 states and 162 transitions. [2021-06-11 09:56:02,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 107 transitions, 1243 flow [2021-06-11 09:56:02,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 107 transitions, 1157 flow, removed 25 selfloop flow, removed 10 redundant places. [2021-06-11 09:56:02,259 INFO L241 Difference]: Finished difference. Result has 146 places, 106 transitions, 1009 flow [2021-06-11 09:56:02,259 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1009, PETRI_PLACES=146, PETRI_TRANSITIONS=106} [2021-06-11 09:56:02,259 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 131 predicate places. [2021-06-11 09:56:02,259 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:02,259 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 106 transitions, 1009 flow [2021-06-11 09:56:02,259 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 106 transitions, 1009 flow [2021-06-11 09:56:02,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 106 transitions, 1009 flow [2021-06-11 09:56:02,270 INFO L129 PetriNetUnfolder]: 56/150 cut-off events. [2021-06-11 09:56:02,270 INFO L130 PetriNetUnfolder]: For 2647/2647 co-relation queries the response was YES. [2021-06-11 09:56:02,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 901 conditions, 150 events. 56/150 cut-off events. For 2647/2647 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 680 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 826. Up to 32 conditions per place. [2021-06-11 09:56:02,271 INFO L151 LiptonReduction]: Number of co-enabled transitions 62 [2021-06-11 09:56:02,275 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:02,275 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:02,275 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-06-11 09:56:02,275 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 106 transitions, 1009 flow [2021-06-11 09:56:02,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:02,275 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:02,275 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:02,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-06-11 09:56:02,484 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:02,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:02,484 INFO L82 PathProgramCache]: Analyzing trace with hash 347910617, now seen corresponding path program 40 times [2021-06-11 09:56:02,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:02,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653780199] [2021-06-11 09:56:02,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:02,492 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:56:02,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:02,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:02,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:02,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:02,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:02,531 INFO L142 QuantifierPusher]: treesize reduction 10, result has 67.7 percent of original size [2021-06-11 09:56:02,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:02,546 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-11 09:56:02,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:02,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653780199] [2021-06-11 09:56:02,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022523928] [2021-06-11 09:56:02,556 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:02,572 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:56:02,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:02,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:56:02,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:02,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:02,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:02,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:02,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:02,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:02,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:02,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:02,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:02,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:02,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:02,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:02,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:02,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:02,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:02,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:02,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:02,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,594 INFO L147 QuantifierPusher]: treesize reduction -2, result has 112.5 percent of original size 18 [2021-06-11 09:56:02,594 INFO L142 QuantifierPusher]: treesize reduction -2, result has 112.5 percent of original size [2021-06-11 09:56:02,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:02,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:02,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:02,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,607 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size 25 [2021-06-11 09:56:02,608 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-06-11 09:56:02,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:02,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:02,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:02,623 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-11 09:56:02,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:02,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:02,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:02,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:02,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:02,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:02,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,641 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:56:02,641 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:56:02,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:02,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:02,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:02,687 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:56:02,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:56:02,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:02,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:56:02,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:02,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,691 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:56:02,692 INFO L142 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size [2021-06-11 09:56:02,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-06-11 09:56:02,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:02,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:02,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:02,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:02,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:02,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:02,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:02,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:02,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:02,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301060749] [2021-06-11 09:56:02,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:02,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:02,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:02,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:02,727 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:02,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 106 transitions, 1009 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:02,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:02,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:02,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:02,845 INFO L129 PetriNetUnfolder]: 58/150 cut-off events. [2021-06-11 09:56:02,845 INFO L130 PetriNetUnfolder]: For 2946/2946 co-relation queries the response was YES. [2021-06-11 09:56:02,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1067 conditions, 150 events. 58/150 cut-off events. For 2946/2946 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 666 event pairs, 2 based on Foata normal form. 1/150 useless extension candidates. Maximal degree in co-relation 990. Up to 120 conditions per place. [2021-06-11 09:56:02,847 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 91 selfloop transitions, 12 changer transitions 1/108 dead transitions. [2021-06-11 09:56:02,848 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 108 transitions, 1230 flow [2021-06-11 09:56:02,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:02,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:02,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 109 transitions. [2021-06-11 09:56:02,849 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43253968253968256 [2021-06-11 09:56:02,849 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 109 transitions. [2021-06-11 09:56:02,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 109 transitions. [2021-06-11 09:56:02,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:02,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 109 transitions. [2021-06-11 09:56:02,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:02,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:02,850 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:02,850 INFO L185 Difference]: Start difference. First operand has 145 places, 106 transitions, 1009 flow. Second operand 9 states and 109 transitions. [2021-06-11 09:56:02,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 108 transitions, 1230 flow [2021-06-11 09:56:02,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 108 transitions, 1117 flow, removed 35 selfloop flow, removed 10 redundant places. [2021-06-11 09:56:02,864 INFO L241 Difference]: Finished difference. Result has 145 places, 107 transitions, 933 flow [2021-06-11 09:56:02,864 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=933, PETRI_PLACES=145, PETRI_TRANSITIONS=107} [2021-06-11 09:56:02,864 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 130 predicate places. [2021-06-11 09:56:02,864 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:02,864 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 107 transitions, 933 flow [2021-06-11 09:56:02,865 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 107 transitions, 933 flow [2021-06-11 09:56:02,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 107 transitions, 933 flow [2021-06-11 09:56:02,877 INFO L129 PetriNetUnfolder]: 56/147 cut-off events. [2021-06-11 09:56:02,878 INFO L130 PetriNetUnfolder]: For 2334/2334 co-relation queries the response was YES. [2021-06-11 09:56:02,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 849 conditions, 147 events. 56/147 cut-off events. For 2334/2334 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 673 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 775. Up to 28 conditions per place. [2021-06-11 09:56:02,879 INFO L151 LiptonReduction]: Number of co-enabled transitions 60 [2021-06-11 09:56:02,883 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:02,883 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:02,883 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-06-11 09:56:02,883 INFO L480 AbstractCegarLoop]: Abstraction has has 144 places, 107 transitions, 933 flow [2021-06-11 09:56:02,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:02,884 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:02,884 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:03,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-06-11 09:56:03,084 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:03,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:03,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1151074803, now seen corresponding path program 41 times [2021-06-11 09:56:03,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:03,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954876855] [2021-06-11 09:56:03,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:03,093 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:56:03,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:03,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:03,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:03,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:03,120 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:56:03,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:03,133 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:03,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:03,145 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:03,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:03,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:03,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954876855] [2021-06-11 09:56:03,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338101126] [2021-06-11 09:56:03,157 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:03,176 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 09:56:03,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:03,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:56:03,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:03,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:03,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:03,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:03,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:03,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:03,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:03,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:03,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:03,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:03,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:03,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:03,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:03,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,185 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-06-11 09:56:03,185 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-06-11 09:56:03,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:03,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:03,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:03,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,197 INFO L147 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size 18 [2021-06-11 09:56:03,197 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-06-11 09:56:03,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:03,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:03,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:03,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,209 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size 25 [2021-06-11 09:56:03,210 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-06-11 09:56:03,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:03,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:03,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:03,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,224 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:56:03,225 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:56:03,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:03,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:03,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:03,242 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:56:03,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 09:56:03,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:03,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:03,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-11 09:56:03,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:03,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:03,268 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:56:03,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:56:03,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:03,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:56:03,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:03,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,273 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:56:03,274 INFO L142 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size [2021-06-11 09:56:03,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-06-11 09:56:03,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:03,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:03,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:03,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:03,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:03,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:03,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:03,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:03,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:03,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:03,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:03,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274064243] [2021-06-11 09:56:03,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:03,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:03,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:03,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:03,310 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:03,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 107 transitions, 933 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:03,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:03,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:03,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:03,500 INFO L129 PetriNetUnfolder]: 58/152 cut-off events. [2021-06-11 09:56:03,500 INFO L130 PetriNetUnfolder]: For 2598/2598 co-relation queries the response was YES. [2021-06-11 09:56:03,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1026 conditions, 152 events. 58/152 cut-off events. For 2598/2598 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 680 event pairs, 2 based on Foata normal form. 1/151 useless extension candidates. Maximal degree in co-relation 948. Up to 116 conditions per place. [2021-06-11 09:56:03,502 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 91 selfloop transitions, 15 changer transitions 1/111 dead transitions. [2021-06-11 09:56:03,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 111 transitions, 1206 flow [2021-06-11 09:56:03,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:03,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:03,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2021-06-11 09:56:03,503 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44841269841269843 [2021-06-11 09:56:03,503 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 113 transitions. [2021-06-11 09:56:03,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 113 transitions. [2021-06-11 09:56:03,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:03,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 113 transitions. [2021-06-11 09:56:03,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:03,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:03,504 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:03,504 INFO L185 Difference]: Start difference. First operand has 144 places, 107 transitions, 933 flow. Second operand 9 states and 113 transitions. [2021-06-11 09:56:03,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 111 transitions, 1206 flow [2021-06-11 09:56:03,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 111 transitions, 1178 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-06-11 09:56:03,524 INFO L241 Difference]: Finished difference. Result has 148 places, 109 transitions, 1000 flow [2021-06-11 09:56:03,524 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1000, PETRI_PLACES=148, PETRI_TRANSITIONS=109} [2021-06-11 09:56:03,525 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 133 predicate places. [2021-06-11 09:56:03,525 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:03,525 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 109 transitions, 1000 flow [2021-06-11 09:56:03,525 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 109 transitions, 1000 flow [2021-06-11 09:56:03,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 109 transitions, 1000 flow [2021-06-11 09:56:03,534 INFO L129 PetriNetUnfolder]: 56/148 cut-off events. [2021-06-11 09:56:03,534 INFO L130 PetriNetUnfolder]: For 2440/2440 co-relation queries the response was YES. [2021-06-11 09:56:03,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 872 conditions, 148 events. 56/148 cut-off events. For 2440/2440 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 674 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 796. Up to 29 conditions per place. [2021-06-11 09:56:03,535 INFO L151 LiptonReduction]: Number of co-enabled transitions 60 [2021-06-11 09:56:03,539 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:03,539 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:03,539 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-06-11 09:56:03,539 INFO L480 AbstractCegarLoop]: Abstraction has has 147 places, 109 transitions, 1000 flow [2021-06-11 09:56:03,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:03,540 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:03,540 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:03,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:03,740 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:03,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:03,741 INFO L82 PathProgramCache]: Analyzing trace with hash -571756983, now seen corresponding path program 42 times [2021-06-11 09:56:03,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:03,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885428747] [2021-06-11 09:56:03,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:03,756 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:03,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:03,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:03,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:03,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:03,786 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:56:03,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:03,801 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:56:03,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:03,813 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:03,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:03,822 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:03,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885428747] [2021-06-11 09:56:03,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321825528] [2021-06-11 09:56:03,822 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:03,839 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-11 09:56:03,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:03,839 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:03,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:03,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:03,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:03,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:03,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:03,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:03,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:03,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:03,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:03,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,846 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-06-11 09:56:03,846 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-11 09:56:03,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:03,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:03,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:03,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:03,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:03,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:03,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:03,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,863 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-06-11 09:56:03,863 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-06-11 09:56:03,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:56:03,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:56:03,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:56:03,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,878 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size 32 [2021-06-11 09:56:03,878 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-06-11 09:56:03,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:03,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:03,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:03,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,894 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-06-11 09:56:03,895 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size [2021-06-11 09:56:03,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:56:03,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:56:03,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:56:03,913 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-06-11 09:56:03,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:03,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:03,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:03,915 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-06-11 09:56:03,915 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-11 09:56:03,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:03,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:03,932 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:56:03,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:03,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:03,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:03,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:03,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:03,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:03,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:03,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:03,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:03,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:03,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:03,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:03,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:03,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:03,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:03,970 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:03,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:03,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:03,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358302181] [2021-06-11 09:56:03,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:03,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:03,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:03,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:03,971 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:03,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 109 transitions, 1000 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:03,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:03,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:03,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:04,209 INFO L129 PetriNetUnfolder]: 58/148 cut-off events. [2021-06-11 09:56:04,209 INFO L130 PetriNetUnfolder]: For 2743/2745 co-relation queries the response was YES. [2021-06-11 09:56:04,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1037 conditions, 148 events. 58/148 cut-off events. For 2743/2745 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 652 event pairs, 2 based on Foata normal form. 3/149 useless extension candidates. Maximal degree in co-relation 960. Up to 117 conditions per place. [2021-06-11 09:56:04,210 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 91 selfloop transitions, 16 changer transitions 1/112 dead transitions. [2021-06-11 09:56:04,210 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 112 transitions, 1273 flow [2021-06-11 09:56:04,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 09:56:04,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 09:56:04,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 123 transitions. [2021-06-11 09:56:04,211 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4392857142857143 [2021-06-11 09:56:04,211 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 123 transitions. [2021-06-11 09:56:04,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 123 transitions. [2021-06-11 09:56:04,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:04,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 123 transitions. [2021-06-11 09:56:04,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:04,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 28.0) internal successors, (308), 11 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:04,212 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 28.0) internal successors, (308), 11 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:04,212 INFO L185 Difference]: Start difference. First operand has 147 places, 109 transitions, 1000 flow. Second operand 10 states and 123 transitions. [2021-06-11 09:56:04,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 112 transitions, 1273 flow [2021-06-11 09:56:04,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 112 transitions, 1183 flow, removed 34 selfloop flow, removed 6 redundant places. [2021-06-11 09:56:04,226 INFO L241 Difference]: Finished difference. Result has 153 places, 111 transitions, 1006 flow [2021-06-11 09:56:04,226 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1006, PETRI_PLACES=153, PETRI_TRANSITIONS=111} [2021-06-11 09:56:04,226 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 138 predicate places. [2021-06-11 09:56:04,226 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:04,226 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 111 transitions, 1006 flow [2021-06-11 09:56:04,227 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 111 transitions, 1006 flow [2021-06-11 09:56:04,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 111 transitions, 1006 flow [2021-06-11 09:56:04,236 INFO L129 PetriNetUnfolder]: 56/144 cut-off events. [2021-06-11 09:56:04,236 INFO L130 PetriNetUnfolder]: For 2229/2229 co-relation queries the response was YES. [2021-06-11 09:56:04,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 841 conditions, 144 events. 56/144 cut-off events. For 2229/2229 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 643 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 765. Up to 27 conditions per place. [2021-06-11 09:56:04,238 INFO L151 LiptonReduction]: Number of co-enabled transitions 60 [2021-06-11 09:56:04,242 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:04,242 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:04,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-06-11 09:56:04,243 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 111 transitions, 1006 flow [2021-06-11 09:56:04,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:04,243 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:04,243 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:04,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-06-11 09:56:04,457 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:04,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:04,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1326193895, now seen corresponding path program 43 times [2021-06-11 09:56:04,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:04,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105252403] [2021-06-11 09:56:04,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:04,468 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:04,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:04,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:04,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:04,498 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:56:04,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:04,513 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:04,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:04,531 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:04,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:04,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105252403] [2021-06-11 09:56:04,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369952120] [2021-06-11 09:56:04,542 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 09:56:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:04,573 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:04,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:04,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:04,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,585 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-06-11 09:56:04,585 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-06-11 09:56:04,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:04,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,599 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-06-11 09:56:04,599 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-06-11 09:56:04,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:04,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:04,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:04,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,614 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-06-11 09:56:04,615 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-11 09:56:04,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:04,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:04,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:04,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:04,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:04,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:04,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:04,656 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:56:04,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:04,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:04,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:04,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:04,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:04,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:04,678 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:56:04,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:04,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:04,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:04,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:04,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:04,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:04,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:04,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:04,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:04,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:04,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:04,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:04,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:04,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:04,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:04,709 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:04,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:04,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:04,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848077042] [2021-06-11 09:56:04,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:04,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:04,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:04,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:04,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:04,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 111 transitions, 1006 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:04,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:04,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:04,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:04,892 INFO L129 PetriNetUnfolder]: 61/163 cut-off events. [2021-06-11 09:56:04,893 INFO L130 PetriNetUnfolder]: For 3982/3982 co-relation queries the response was YES. [2021-06-11 09:56:04,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1220 conditions, 163 events. 61/163 cut-off events. For 3982/3982 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 745 event pairs, 1 based on Foata normal form. 1/162 useless extension candidates. Maximal degree in co-relation 1135. Up to 122 conditions per place. [2021-06-11 09:56:04,894 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 101 selfloop transitions, 14 changer transitions 1/120 dead transitions. [2021-06-11 09:56:04,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 120 transitions, 1512 flow [2021-06-11 09:56:04,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:04,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:04,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 115 transitions. [2021-06-11 09:56:04,895 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45634920634920634 [2021-06-11 09:56:04,895 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 115 transitions. [2021-06-11 09:56:04,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 115 transitions. [2021-06-11 09:56:04,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:04,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 115 transitions. [2021-06-11 09:56:04,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:04,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:04,896 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:04,896 INFO L185 Difference]: Start difference. First operand has 152 places, 111 transitions, 1006 flow. Second operand 9 states and 115 transitions. [2021-06-11 09:56:04,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 120 transitions, 1512 flow [2021-06-11 09:56:04,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 120 transitions, 1409 flow, removed 39 selfloop flow, removed 7 redundant places. [2021-06-11 09:56:04,908 INFO L241 Difference]: Finished difference. Result has 156 places, 115 transitions, 1101 flow [2021-06-11 09:56:04,908 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=911, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1101, PETRI_PLACES=156, PETRI_TRANSITIONS=115} [2021-06-11 09:56:04,908 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 141 predicate places. [2021-06-11 09:56:04,908 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:04,908 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 115 transitions, 1101 flow [2021-06-11 09:56:04,908 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 115 transitions, 1101 flow [2021-06-11 09:56:04,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 155 places, 115 transitions, 1101 flow [2021-06-11 09:56:04,920 INFO L129 PetriNetUnfolder]: 59/159 cut-off events. [2021-06-11 09:56:04,920 INFO L130 PetriNetUnfolder]: For 3362/3362 co-relation queries the response was YES. [2021-06-11 09:56:04,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 159 events. 59/159 cut-off events. For 3362/3362 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 726 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 928. Up to 34 conditions per place. [2021-06-11 09:56:04,921 INFO L151 LiptonReduction]: Number of co-enabled transitions 64 [2021-06-11 09:56:04,924 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:04,924 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:04,924 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-06-11 09:56:04,925 INFO L480 AbstractCegarLoop]: Abstraction has has 155 places, 115 transitions, 1101 flow [2021-06-11 09:56:04,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:04,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:04,925 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:05,125 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-06-11 09:56:05,125 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:05,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:05,126 INFO L82 PathProgramCache]: Analyzing trace with hash -269562991, now seen corresponding path program 44 times [2021-06-11 09:56:05,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:05,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440620971] [2021-06-11 09:56:05,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:05,134 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:05,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:05,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:05,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:05,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:05,176 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:05,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:05,190 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:05,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:05,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440620971] [2021-06-11 09:56:05,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132232030] [2021-06-11 09:56:05,202 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 09:56:05,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:56:05,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:05,242 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:05,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:05,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:05,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:05,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:05,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:05,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:05,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,267 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-11 09:56:05,267 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-06-11 09:56:05,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:05,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:05,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:05,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,303 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-06-11 09:56:05,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:05,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:05,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:05,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:05,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,328 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size 39 [2021-06-11 09:56:05,329 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size [2021-06-11 09:56:05,329 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.4 percent of original size 42 [2021-06-11 09:56:05,330 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.4 percent of original size [2021-06-11 09:56:05,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:05,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:05,352 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-06-11 09:56:05,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 09:56:05,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:05,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:05,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-06-11 09:56:05,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:05,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:05,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:05,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:05,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:05,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:05,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:05,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:05,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:05,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:05,391 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:05,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:05,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:05,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129640497] [2021-06-11 09:56:05,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:05,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:05,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:05,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:05,392 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:05,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 115 transitions, 1101 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:05,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:05,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:05,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:05,570 INFO L129 PetriNetUnfolder]: 61/163 cut-off events. [2021-06-11 09:56:05,570 INFO L130 PetriNetUnfolder]: For 3854/3854 co-relation queries the response was YES. [2021-06-11 09:56:05,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1228 conditions, 163 events. 61/163 cut-off events. For 3854/3854 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 747 event pairs, 1 based on Foata normal form. 2/162 useless extension candidates. Maximal degree in co-relation 1144. Up to 127 conditions per place. [2021-06-11 09:56:05,572 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 101 selfloop transitions, 14 changer transitions 2/121 dead transitions. [2021-06-11 09:56:05,572 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 121 transitions, 1545 flow [2021-06-11 09:56:05,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 09:56:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 09:56:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 133 transitions. [2021-06-11 09:56:05,572 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4318181818181818 [2021-06-11 09:56:05,572 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 133 transitions. [2021-06-11 09:56:05,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 133 transitions. [2021-06-11 09:56:05,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:05,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 133 transitions. [2021-06-11 09:56:05,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.090909090909092) internal successors, (133), 11 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:05,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:05,573 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:05,573 INFO L185 Difference]: Start difference. First operand has 155 places, 115 transitions, 1101 flow. Second operand 11 states and 133 transitions. [2021-06-11 09:56:05,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 121 transitions, 1545 flow [2021-06-11 09:56:05,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 121 transitions, 1391 flow, removed 70 selfloop flow, removed 5 redundant places. [2021-06-11 09:56:05,586 INFO L241 Difference]: Finished difference. Result has 165 places, 119 transitions, 1123 flow [2021-06-11 09:56:05,586 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=968, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1123, PETRI_PLACES=165, PETRI_TRANSITIONS=119} [2021-06-11 09:56:05,586 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 150 predicate places. [2021-06-11 09:56:05,586 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:05,586 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 119 transitions, 1123 flow [2021-06-11 09:56:05,586 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 119 transitions, 1123 flow [2021-06-11 09:56:05,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 119 transitions, 1123 flow [2021-06-11 09:56:05,599 INFO L129 PetriNetUnfolder]: 59/157 cut-off events. [2021-06-11 09:56:05,599 INFO L130 PetriNetUnfolder]: For 2713/2713 co-relation queries the response was YES. [2021-06-11 09:56:05,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 943 conditions, 157 events. 59/157 cut-off events. For 2713/2713 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 730 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 855. Up to 28 conditions per place. [2021-06-11 09:56:05,601 INFO L151 LiptonReduction]: Number of co-enabled transitions 68 [2021-06-11 09:56:05,605 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:05,605 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:05,606 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 09:56:05,606 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 119 transitions, 1123 flow [2021-06-11 09:56:05,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:05,606 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:05,606 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:05,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:05,813 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:05,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:05,814 INFO L82 PathProgramCache]: Analyzing trace with hash -325273335, now seen corresponding path program 45 times [2021-06-11 09:56:05,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:05,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635975243] [2021-06-11 09:56:05,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:05,829 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:05,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:05,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:05,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:05,862 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:56:05,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:05,878 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-06-11 09:56:05,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:05,893 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:05,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:05,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:05,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635975243] [2021-06-11 09:56:05,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547499913] [2021-06-11 09:56:05,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:05,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 09:56:05,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:05,931 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:05,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:05,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:05,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,945 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:56:05,946 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:56:05,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:05,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:05,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:05,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:05,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:05,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:05,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:05,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:05,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:05,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:06,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:06,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:06,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:06,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:06,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:06,023 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:56:06,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:06,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:06,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:06,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:56:06,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:06,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:06,052 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:56:06,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:56:06,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:06,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:06,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:06,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:06,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:06,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:06,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:06,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:06,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:06,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:06,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:06,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:06,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:06,088 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:06,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:06,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:06,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631829353] [2021-06-11 09:56:06,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:06,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:06,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:06,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:06,089 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:06,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 119 transitions, 1123 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:06,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:06,089 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:06,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:06,230 INFO L129 PetriNetUnfolder]: 61/158 cut-off events. [2021-06-11 09:56:06,230 INFO L130 PetriNetUnfolder]: For 3215/3215 co-relation queries the response was YES. [2021-06-11 09:56:06,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1120 conditions, 158 events. 61/158 cut-off events. For 3215/3215 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 713 event pairs, 1 based on Foata normal form. 1/156 useless extension candidates. Maximal degree in co-relation 1032. Up to 123 conditions per place. [2021-06-11 09:56:06,232 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 100 selfloop transitions, 17 changer transitions 1/122 dead transitions. [2021-06-11 09:56:06,232 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 122 transitions, 1422 flow [2021-06-11 09:56:06,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:06,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:06,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2021-06-11 09:56:06,233 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44841269841269843 [2021-06-11 09:56:06,233 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 113 transitions. [2021-06-11 09:56:06,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 113 transitions. [2021-06-11 09:56:06,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:06,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 113 transitions. [2021-06-11 09:56:06,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:06,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:06,234 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:06,234 INFO L185 Difference]: Start difference. First operand has 163 places, 119 transitions, 1123 flow. Second operand 9 states and 113 transitions. [2021-06-11 09:56:06,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 122 transitions, 1422 flow [2021-06-11 09:56:06,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 122 transitions, 1286 flow, removed 57 selfloop flow, removed 7 redundant places. [2021-06-11 09:56:06,247 INFO L241 Difference]: Finished difference. Result has 167 places, 121 transitions, 1093 flow [2021-06-11 09:56:06,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=987, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1093, PETRI_PLACES=167, PETRI_TRANSITIONS=121} [2021-06-11 09:56:06,248 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 152 predicate places. [2021-06-11 09:56:06,248 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:06,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 121 transitions, 1093 flow [2021-06-11 09:56:06,248 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 121 transitions, 1093 flow [2021-06-11 09:56:06,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 121 transitions, 1093 flow [2021-06-11 09:56:06,258 INFO L129 PetriNetUnfolder]: 59/153 cut-off events. [2021-06-11 09:56:06,258 INFO L130 PetriNetUnfolder]: For 2788/2788 co-relation queries the response was YES. [2021-06-11 09:56:06,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 153 events. 59/153 cut-off events. For 2788/2788 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 696 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 811. Up to 26 conditions per place. [2021-06-11 09:56:06,259 INFO L151 LiptonReduction]: Number of co-enabled transitions 68 [2021-06-11 09:56:06,262 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:06,262 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:06,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-06-11 09:56:06,263 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 121 transitions, 1093 flow [2021-06-11 09:56:06,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:06,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:06,263 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:06,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-06-11 09:56:06,484 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:06,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:06,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1067957913, now seen corresponding path program 46 times [2021-06-11 09:56:06,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:06,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970430814] [2021-06-11 09:56:06,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:06,500 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:56:06,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:06,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:06,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:06,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:06,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:06,539 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:06,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:06,553 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:06,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:06,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970430814] [2021-06-11 09:56:06,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145096565] [2021-06-11 09:56:06,565 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:06,592 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:56:06,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:06,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:56:06,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:06,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:06,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:06,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:06,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:06,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:06,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:06,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:06,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:06,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:06,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:06,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:06,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:06,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,603 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-06-11 09:56:06,604 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-06-11 09:56:06,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:06,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:06,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:06,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,619 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-06-11 09:56:06,619 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-06-11 09:56:06,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:06,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:06,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:06,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,636 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-06-11 09:56:06,637 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size [2021-06-11 09:56:06,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:06,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:06,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:06,656 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:56:06,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:56:06,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:06,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:06,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:56:06,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:06,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:06,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,679 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:56:06,680 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:56:06,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:06,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:06,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:06,706 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:56:06,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:56:06,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:06,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:56:06,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:06,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,711 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:56:06,712 INFO L142 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size [2021-06-11 09:56:06,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-06-11 09:56:06,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:06,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:06,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:06,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:06,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:06,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:06,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:06,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:06,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:06,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:06,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:06,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655401754] [2021-06-11 09:56:06,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:06,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:06,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:06,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:06,760 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:06,760 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 121 transitions, 1093 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:06,760 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:06,760 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:06,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:06,904 INFO L129 PetriNetUnfolder]: 61/154 cut-off events. [2021-06-11 09:56:06,904 INFO L130 PetriNetUnfolder]: For 3332/3332 co-relation queries the response was YES. [2021-06-11 09:56:06,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1073 conditions, 154 events. 61/154 cut-off events. For 3332/3332 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 678 event pairs, 1 based on Foata normal form. 1/152 useless extension candidates. Maximal degree in co-relation 989. Up to 125 conditions per place. [2021-06-11 09:56:06,906 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 106 selfloop transitions, 12 changer transitions 1/123 dead transitions. [2021-06-11 09:56:06,906 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 123 transitions, 1344 flow [2021-06-11 09:56:06,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 109 transitions. [2021-06-11 09:56:06,907 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43253968253968256 [2021-06-11 09:56:06,907 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 109 transitions. [2021-06-11 09:56:06,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 109 transitions. [2021-06-11 09:56:06,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:06,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 109 transitions. [2021-06-11 09:56:06,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:06,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:06,908 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:06,908 INFO L185 Difference]: Start difference. First operand has 166 places, 121 transitions, 1093 flow. Second operand 9 states and 109 transitions. [2021-06-11 09:56:06,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 123 transitions, 1344 flow [2021-06-11 09:56:06,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 123 transitions, 1217 flow, removed 46 selfloop flow, removed 9 redundant places. [2021-06-11 09:56:06,920 INFO L241 Difference]: Finished difference. Result has 167 places, 122 transitions, 1003 flow [2021-06-11 09:56:06,920 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=966, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1003, PETRI_PLACES=167, PETRI_TRANSITIONS=122} [2021-06-11 09:56:06,920 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 152 predicate places. [2021-06-11 09:56:06,920 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:06,920 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 122 transitions, 1003 flow [2021-06-11 09:56:06,920 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 122 transitions, 1003 flow [2021-06-11 09:56:06,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 122 transitions, 1003 flow [2021-06-11 09:56:06,929 INFO L129 PetriNetUnfolder]: 59/149 cut-off events. [2021-06-11 09:56:06,929 INFO L130 PetriNetUnfolder]: For 2053/2053 co-relation queries the response was YES. [2021-06-11 09:56:06,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 815 conditions, 149 events. 59/149 cut-off events. For 2053/2053 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 694 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 735. Up to 26 conditions per place. [2021-06-11 09:56:06,931 INFO L151 LiptonReduction]: Number of co-enabled transitions 68 [2021-06-11 09:56:06,935 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:06,935 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:06,936 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-06-11 09:56:06,936 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 122 transitions, 1003 flow [2021-06-11 09:56:06,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:06,936 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:06,936 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:07,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:07,158 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:07,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:07,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1506397683, now seen corresponding path program 4 times [2021-06-11 09:56:07,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:07,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281067758] [2021-06-11 09:56:07,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:07,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:07,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:07,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,203 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-06-11 09:56:07,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:07,232 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-11 09:56:07,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:07,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281067758] [2021-06-11 09:56:07,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306868712] [2021-06-11 09:56:07,251 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:07,268 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:56:07,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:07,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-11 09:56:07,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:07,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:07,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:07,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:07,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:07,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:07,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:07,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:07,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:07,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:07,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:07,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:07,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:07,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,297 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:56:07,297 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:56:07,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,323 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-06-11 09:56:07,323 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-06-11 09:56:07,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,337 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-06-11 09:56:07,338 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-06-11 09:56:07,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:07,354 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-06-11 09:56:07,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:07,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:07,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:07,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:56:07,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:07,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:07,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:07,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:07,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:07,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:07,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:07,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:07,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:07,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:07,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:07,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:07,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:07,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:07,375 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:07,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:07,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 09:56:07,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395154880] [2021-06-11 09:56:07,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 09:56:07,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:07,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 09:56:07,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-06-11 09:56:07,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 28 [2021-06-11 09:56:07,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 122 transitions, 1003 flow. Second operand has 13 states, 13 states have (on average 14.0) internal successors, (182), 13 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:07,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:07,377 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 28 [2021-06-11 09:56:07,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:07,608 INFO L129 PetriNetUnfolder]: 62/155 cut-off events. [2021-06-11 09:56:07,608 INFO L130 PetriNetUnfolder]: For 2568/2602 co-relation queries the response was YES. [2021-06-11 09:56:07,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1026 conditions, 155 events. 62/155 cut-off events. For 2568/2602 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 697 event pairs, 0 based on Foata normal form. 1/153 useless extension candidates. Maximal degree in co-relation 944. Up to 109 conditions per place. [2021-06-11 09:56:07,610 INFO L132 encePairwiseOnDemand]: 23/28 looper letters, 91 selfloop transitions, 13 changer transitions 2/126 dead transitions. [2021-06-11 09:56:07,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 126 transitions, 1365 flow [2021-06-11 09:56:07,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 09:56:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 09:56:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 122 transitions. [2021-06-11 09:56:07,611 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5446428571428571 [2021-06-11 09:56:07,611 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 122 transitions. [2021-06-11 09:56:07,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 122 transitions. [2021-06-11 09:56:07,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:07,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 122 transitions. [2021-06-11 09:56:07,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 15.25) internal successors, (122), 8 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:07,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:07,612 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:07,612 INFO L185 Difference]: Start difference. First operand has 166 places, 122 transitions, 1003 flow. Second operand 8 states and 122 transitions. [2021-06-11 09:56:07,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 126 transitions, 1365 flow [2021-06-11 09:56:07,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 126 transitions, 1339 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-06-11 09:56:07,627 INFO L241 Difference]: Finished difference. Result has 168 places, 124 transitions, 1086 flow [2021-06-11 09:56:07,628 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=977, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1086, PETRI_PLACES=168, PETRI_TRANSITIONS=124} [2021-06-11 09:56:07,628 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 153 predicate places. [2021-06-11 09:56:07,628 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:07,628 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 124 transitions, 1086 flow [2021-06-11 09:56:07,628 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 124 transitions, 1086 flow [2021-06-11 09:56:07,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 124 transitions, 1086 flow [2021-06-11 09:56:07,642 INFO L129 PetriNetUnfolder]: 61/154 cut-off events. [2021-06-11 09:56:07,642 INFO L130 PetriNetUnfolder]: For 2334/2334 co-relation queries the response was YES. [2021-06-11 09:56:07,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 904 conditions, 154 events. 61/154 cut-off events. For 2334/2334 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 718 event pairs, 0 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 823. Up to 30 conditions per place. [2021-06-11 09:56:07,644 INFO L151 LiptonReduction]: Number of co-enabled transitions 72 [2021-06-11 09:56:07,649 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:07,650 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:07,650 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-06-11 09:56:07,650 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 124 transitions, 1086 flow [2021-06-11 09:56:07,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.0) internal successors, (182), 13 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:07,650 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:07,650 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:07,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-06-11 09:56:07,865 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:07,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:07,865 INFO L82 PathProgramCache]: Analyzing trace with hash -953994509, now seen corresponding path program 47 times [2021-06-11 09:56:07,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:07,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056943918] [2021-06-11 09:56:07,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:07,873 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:56:07,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:07,879 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:07,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:07,887 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:07,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:07,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:07,907 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:56:07,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:07,923 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:07,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:07,937 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:07,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:07,947 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:07,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056943918] [2021-06-11 09:56:07,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708408315] [2021-06-11 09:56:07,947 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:07,964 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 09:56:07,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:07,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:56:07,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:07,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:07,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:07,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:07,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:07,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:07,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:07,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:07,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:07,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:07,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:07,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:07,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:07,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:07,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:07,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:07,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:07,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,985 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-06-11 09:56:07,986 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-06-11 09:56:07,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:07,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:07,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:07,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:07,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,000 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 37 [2021-06-11 09:56:08,000 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-06-11 09:56:08,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:08,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:08,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:08,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,016 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:56:08,016 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:56:08,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:08,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:08,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:08,034 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:56:08,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 09:56:08,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:08,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:08,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-11 09:56:08,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:08,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:08,061 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:56:08,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:56:08,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:08,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:56:08,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:08,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,067 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:56:08,067 INFO L142 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size [2021-06-11 09:56:08,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-06-11 09:56:08,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:08,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:08,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:08,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:08,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:08,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:08,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:08,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:08,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:08,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:08,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:08,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479715293] [2021-06-11 09:56:08,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:08,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:08,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:08,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:08,106 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:08,106 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 124 transitions, 1086 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:08,106 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:08,106 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:08,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:08,278 INFO L129 PetriNetUnfolder]: 65/172 cut-off events. [2021-06-11 09:56:08,278 INFO L130 PetriNetUnfolder]: For 4355/4355 co-relation queries the response was YES. [2021-06-11 09:56:08,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1296 conditions, 172 events. 65/172 cut-off events. For 4355/4355 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 803 event pairs, 0 based on Foata normal form. 1/170 useless extension candidates. Maximal degree in co-relation 1207. Up to 129 conditions per place. [2021-06-11 09:56:08,280 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 110 selfloop transitions, 17 changer transitions 1/132 dead transitions. [2021-06-11 09:56:08,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 132 transitions, 1576 flow [2021-06-11 09:56:08,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:08,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:08,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 116 transitions. [2021-06-11 09:56:08,280 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2021-06-11 09:56:08,280 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 116 transitions. [2021-06-11 09:56:08,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 116 transitions. [2021-06-11 09:56:08,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:08,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 116 transitions. [2021-06-11 09:56:08,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.88888888888889) internal successors, (116), 9 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:08,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:08,281 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:08,281 INFO L185 Difference]: Start difference. First operand has 167 places, 124 transitions, 1086 flow. Second operand 9 states and 116 transitions. [2021-06-11 09:56:08,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 132 transitions, 1576 flow [2021-06-11 09:56:08,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 132 transitions, 1509 flow, removed 22 selfloop flow, removed 6 redundant places. [2021-06-11 09:56:08,302 INFO L241 Difference]: Finished difference. Result has 172 places, 128 transitions, 1233 flow [2021-06-11 09:56:08,302 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1023, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1233, PETRI_PLACES=172, PETRI_TRANSITIONS=128} [2021-06-11 09:56:08,302 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 157 predicate places. [2021-06-11 09:56:08,302 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:08,302 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 128 transitions, 1233 flow [2021-06-11 09:56:08,302 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 128 transitions, 1233 flow [2021-06-11 09:56:08,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 171 places, 128 transitions, 1233 flow [2021-06-11 09:56:08,314 INFO L129 PetriNetUnfolder]: 64/169 cut-off events. [2021-06-11 09:56:08,315 INFO L130 PetriNetUnfolder]: For 3846/3846 co-relation queries the response was YES. [2021-06-11 09:56:08,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1084 conditions, 169 events. 64/169 cut-off events. For 3846/3846 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 811 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 997. Up to 37 conditions per place. [2021-06-11 09:56:08,316 INFO L151 LiptonReduction]: Number of co-enabled transitions 76 [2021-06-11 09:56:08,320 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:08,320 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:08,320 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-06-11 09:56:08,320 INFO L480 AbstractCegarLoop]: Abstraction has has 171 places, 128 transitions, 1233 flow [2021-06-11 09:56:08,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:08,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:08,320 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:08,520 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-06-11 09:56:08,521 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:08,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:08,521 INFO L82 PathProgramCache]: Analyzing trace with hash -953100779, now seen corresponding path program 48 times [2021-06-11 09:56:08,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:08,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450249286] [2021-06-11 09:56:08,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:08,542 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:56:08,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:08,548 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:08,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:08,556 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:08,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:08,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:08,576 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:56:08,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:08,592 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:56:08,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:08,607 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:08,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:08,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:08,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450249286] [2021-06-11 09:56:08,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811538663] [2021-06-11 09:56:08,620 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:08,640 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 09:56:08,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:08,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:56:08,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:08,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:08,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:08,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:08,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:08,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:08,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:08,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:08,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:08,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:08,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:08,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:08,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:08,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,650 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-06-11 09:56:08,650 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-06-11 09:56:08,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:08,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:08,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:08,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:08,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:08,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:08,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:08,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,677 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size 37 [2021-06-11 09:56:08,677 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size [2021-06-11 09:56:08,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:08,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:08,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:08,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,699 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:56:08,700 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:56:08,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:08,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:08,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:08,725 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:56:08,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 09:56:08,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:08,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:08,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-06-11 09:56:08,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 09:56:08,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 09:56:08,761 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-06-11 09:56:08,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:08,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:08,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 09:56:08,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-06-11 09:56:08,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,768 INFO L147 QuantifierPusher]: treesize reduction -4, result has 103.5 percent of original size 119 [2021-06-11 09:56:08,772 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.5 percent of original size [2021-06-11 09:56:08,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-06-11 09:56:08,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:08,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:08,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:08,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:08,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:08,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:08,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:08,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:08,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:08,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:08,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:08,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702260419] [2021-06-11 09:56:08,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:08,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:08,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:08,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:08,812 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:08,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 128 transitions, 1233 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:08,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:08,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:08,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:08,983 INFO L129 PetriNetUnfolder]: 66/170 cut-off events. [2021-06-11 09:56:08,984 INFO L130 PetriNetUnfolder]: For 4350/4350 co-relation queries the response was YES. [2021-06-11 09:56:08,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1275 conditions, 170 events. 66/170 cut-off events. For 4350/4350 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 785 event pairs, 1 based on Foata normal form. 1/168 useless extension candidates. Maximal degree in co-relation 1187. Up to 129 conditions per place. [2021-06-11 09:56:08,985 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 109 selfloop transitions, 18 changer transitions 1/132 dead transitions. [2021-06-11 09:56:08,985 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 132 transitions, 1622 flow [2021-06-11 09:56:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 115 transitions. [2021-06-11 09:56:08,986 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45634920634920634 [2021-06-11 09:56:08,986 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 115 transitions. [2021-06-11 09:56:08,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 115 transitions. [2021-06-11 09:56:08,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:08,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 115 transitions. [2021-06-11 09:56:08,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:08,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:08,987 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:08,987 INFO L185 Difference]: Start difference. First operand has 171 places, 128 transitions, 1233 flow. Second operand 9 states and 115 transitions. [2021-06-11 09:56:08,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 132 transitions, 1622 flow [2021-06-11 09:56:09,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 132 transitions, 1394 flow, removed 101 selfloop flow, removed 6 redundant places. [2021-06-11 09:56:09,001 INFO L241 Difference]: Finished difference. Result has 176 places, 130 transitions, 1181 flow [2021-06-11 09:56:09,002 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1083, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1181, PETRI_PLACES=176, PETRI_TRANSITIONS=130} [2021-06-11 09:56:09,002 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 161 predicate places. [2021-06-11 09:56:09,002 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:09,002 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 130 transitions, 1181 flow [2021-06-11 09:56:09,002 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 130 transitions, 1181 flow [2021-06-11 09:56:09,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 130 transitions, 1181 flow [2021-06-11 09:56:09,013 INFO L129 PetriNetUnfolder]: 64/166 cut-off events. [2021-06-11 09:56:09,013 INFO L130 PetriNetUnfolder]: For 3145/3145 co-relation queries the response was YES. [2021-06-11 09:56:09,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 166 events. 64/166 cut-off events. For 3145/3145 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 797 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 929. Up to 36 conditions per place. [2021-06-11 09:56:09,014 INFO L151 LiptonReduction]: Number of co-enabled transitions 74 [2021-06-11 09:56:09,018 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:09,018 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:09,018 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-06-11 09:56:09,018 INFO L480 AbstractCegarLoop]: Abstraction has has 175 places, 130 transitions, 1181 flow [2021-06-11 09:56:09,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:09,019 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:09,019 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:09,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:09,221 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:09,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:09,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1068511113, now seen corresponding path program 49 times [2021-06-11 09:56:09,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:09,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032022331] [2021-06-11 09:56:09,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:09,231 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:09,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,239 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:09,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:09,247 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:09,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:09,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:09,265 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:56:09,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:09,281 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:56:09,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:09,295 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:09,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:09,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032022331] [2021-06-11 09:56:09,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327964725] [2021-06-11 09:56:09,306 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 09:56:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:09,340 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:09,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:09,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,350 INFO L147 QuantifierPusher]: treesize reduction 6, result has 73.9 percent of original size 17 [2021-06-11 09:56:09,351 INFO L142 QuantifierPusher]: treesize reduction 6, result has 73.9 percent of original size [2021-06-11 09:56:09,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:09,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:09,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:09,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,365 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:56:09,366 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 09:56:09,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:09,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:09,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:09,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,382 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size 32 [2021-06-11 09:56:09,382 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-06-11 09:56:09,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:09,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:09,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:09,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,404 INFO L147 QuantifierPusher]: treesize reduction 11, result has 78.8 percent of original size 41 [2021-06-11 09:56:09,404 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.8 percent of original size [2021-06-11 09:56:09,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 09:56:09,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 09:56:09,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 09:56:09,427 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-06-11 09:56:09,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 09:56:09,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:09,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:09,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 09:56:09,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:09,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:09,455 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-06-11 09:56:09,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 09:56:09,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:09,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:09,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-06-11 09:56:09,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:09,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:09,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:09,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:09,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:09,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:09,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:09,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:09,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:09,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:09,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:09,488 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:09,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:09,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:09,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78063582] [2021-06-11 09:56:09,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:09,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:09,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:09,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:09,488 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:09,489 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 130 transitions, 1181 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:09,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:09,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:09,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:09,716 INFO L129 PetriNetUnfolder]: 69/181 cut-off events. [2021-06-11 09:56:09,716 INFO L130 PetriNetUnfolder]: For 4662/4662 co-relation queries the response was YES. [2021-06-11 09:56:09,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1364 conditions, 181 events. 69/181 cut-off events. For 4662/4662 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 855 event pairs, 2 based on Foata normal form. 1/179 useless extension candidates. Maximal degree in co-relation 1271. Up to 130 conditions per place. [2021-06-11 09:56:09,718 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 102 selfloop transitions, 30 changer transitions 1/137 dead transitions. [2021-06-11 09:56:09,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 137 transitions, 1689 flow [2021-06-11 09:56:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 09:56:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 09:56:09,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 153 transitions. [2021-06-11 09:56:09,719 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45535714285714285 [2021-06-11 09:56:09,719 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 153 transitions. [2021-06-11 09:56:09,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 153 transitions. [2021-06-11 09:56:09,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:09,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 153 transitions. [2021-06-11 09:56:09,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.75) internal successors, (153), 12 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:09,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:09,719 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:09,720 INFO L185 Difference]: Start difference. First operand has 175 places, 130 transitions, 1181 flow. Second operand 12 states and 153 transitions. [2021-06-11 09:56:09,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 137 transitions, 1689 flow [2021-06-11 09:56:09,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 137 transitions, 1580 flow, removed 41 selfloop flow, removed 6 redundant places. [2021-06-11 09:56:09,735 INFO L241 Difference]: Finished difference. Result has 183 places, 134 transitions, 1317 flow [2021-06-11 09:56:09,735 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1078, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1317, PETRI_PLACES=183, PETRI_TRANSITIONS=134} [2021-06-11 09:56:09,735 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 168 predicate places. [2021-06-11 09:56:09,735 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:09,735 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 134 transitions, 1317 flow [2021-06-11 09:56:09,736 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 134 transitions, 1317 flow [2021-06-11 09:56:09,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 182 places, 134 transitions, 1317 flow [2021-06-11 09:56:09,747 INFO L129 PetriNetUnfolder]: 67/175 cut-off events. [2021-06-11 09:56:09,748 INFO L130 PetriNetUnfolder]: For 4197/4197 co-relation queries the response was YES. [2021-06-11 09:56:09,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1135 conditions, 175 events. 67/175 cut-off events. For 4197/4197 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 854 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 1044. Up to 35 conditions per place. [2021-06-11 09:56:09,749 INFO L151 LiptonReduction]: Number of co-enabled transitions 78 [2021-06-11 09:56:09,753 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:09,753 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:09,753 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-06-11 09:56:09,753 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 134 transitions, 1317 flow [2021-06-11 09:56:09,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:09,753 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:09,754 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:09,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-06-11 09:56:09,954 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:09,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:09,954 INFO L82 PathProgramCache]: Analyzing trace with hash -209041937, now seen corresponding path program 50 times [2021-06-11 09:56:09,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:09,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477379717] [2021-06-11 09:56:09,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:09,963 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:09,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:09,971 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:09,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:09,978 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:09,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:09,986 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:09,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:09,995 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:56:09,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:10,009 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:10,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:10,021 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:10,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:10,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477379717] [2021-06-11 09:56:10,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467080570] [2021-06-11 09:56:10,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:10,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:56:10,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:10,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:10,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:10,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:10,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:10,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:10,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:10,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:10,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:10,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:10,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:10,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,088 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size 22 [2021-06-11 09:56:10,088 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-11 09:56:10,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:10,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:10,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:10,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,104 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:56:10,104 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 09:56:10,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:10,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:10,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:10,121 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:56:10,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:10,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:10,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:10,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:10,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:10,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:10,139 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:56:10,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:10,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:10,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:10,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:10,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:10,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:10,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:10,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:10,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:10,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:10,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:10,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:10,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:10,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:10,165 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:10,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:10,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:10,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553323011] [2021-06-11 09:56:10,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:10,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:10,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:10,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:10,166 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:10,166 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 134 transitions, 1317 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:10,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:10,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:10,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:10,351 INFO L129 PetriNetUnfolder]: 72/194 cut-off events. [2021-06-11 09:56:10,351 INFO L130 PetriNetUnfolder]: For 5820/5820 co-relation queries the response was YES. [2021-06-11 09:56:10,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1542 conditions, 194 events. 72/194 cut-off events. For 5820/5820 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 959 event pairs, 1 based on Foata normal form. 1/192 useless extension candidates. Maximal degree in co-relation 1441. Up to 149 conditions per place. [2021-06-11 09:56:10,353 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 124 selfloop transitions, 14 changer transitions 1/143 dead transitions. [2021-06-11 09:56:10,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 143 transitions, 1899 flow [2021-06-11 09:56:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 115 transitions. [2021-06-11 09:56:10,353 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45634920634920634 [2021-06-11 09:56:10,354 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 115 transitions. [2021-06-11 09:56:10,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 115 transitions. [2021-06-11 09:56:10,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:10,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 115 transitions. [2021-06-11 09:56:10,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.777777777777779) internal successors, (115), 9 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:10,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:10,354 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:10,354 INFO L185 Difference]: Start difference. First operand has 182 places, 134 transitions, 1317 flow. Second operand 9 states and 115 transitions. [2021-06-11 09:56:10,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 143 transitions, 1899 flow [2021-06-11 09:56:10,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 143 transitions, 1731 flow, removed 66 selfloop flow, removed 8 redundant places. [2021-06-11 09:56:10,372 INFO L241 Difference]: Finished difference. Result has 185 places, 138 transitions, 1367 flow [2021-06-11 09:56:10,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1153, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1367, PETRI_PLACES=185, PETRI_TRANSITIONS=138} [2021-06-11 09:56:10,372 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 170 predicate places. [2021-06-11 09:56:10,373 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:10,373 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 138 transitions, 1367 flow [2021-06-11 09:56:10,373 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 138 transitions, 1367 flow [2021-06-11 09:56:10,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 138 transitions, 1367 flow [2021-06-11 09:56:10,385 INFO L129 PetriNetUnfolder]: 70/188 cut-off events. [2021-06-11 09:56:10,386 INFO L130 PetriNetUnfolder]: For 4487/4506 co-relation queries the response was YES. [2021-06-11 09:56:10,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1217 conditions, 188 events. 70/188 cut-off events. For 4487/4506 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 952 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 1119. Up to 40 conditions per place. [2021-06-11 09:56:10,387 INFO L151 LiptonReduction]: Number of co-enabled transitions 82 [2021-06-11 09:56:10,391 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:10,391 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:10,391 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-06-11 09:56:10,391 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 138 transitions, 1367 flow [2021-06-11 09:56:10,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:10,391 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:10,392 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:10,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:10,592 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:10,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:10,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1012206123, now seen corresponding path program 51 times [2021-06-11 09:56:10,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:10,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288228843] [2021-06-11 09:56:10,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:10,600 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:10,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:10,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:10,614 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:10,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:10,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:10,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:10,638 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:56:10,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:10,649 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:10,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:10,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:10,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288228843] [2021-06-11 09:56:10,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863190054] [2021-06-11 09:56:10,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:10,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-11 09:56:10,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:10,676 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:10,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:10,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:10,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,685 INFO L147 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size 19 [2021-06-11 09:56:10,685 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-06-11 09:56:10,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:10,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:10,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:10,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,699 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-11 09:56:10,699 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-06-11 09:56:10,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:10,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:10,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:10,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:10,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:10,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:10,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:10,730 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:56:10,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:10,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:10,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:10,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 09:56:10,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:10,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:10,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,750 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.0 percent of original size 45 [2021-06-11 09:56:10,750 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size [2021-06-11 09:56:10,751 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.5 percent of original size 67 [2021-06-11 09:56:10,751 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.5 percent of original size [2021-06-11 09:56:10,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-06-11 09:56:10,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-06-11 09:56:10,775 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.6 percent of original size [2021-06-11 09:56:10,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-06-11 09:56:10,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:10,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:10,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:10,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:10,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:10,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:10,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:10,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:10,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:10,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:10,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:10,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:10,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:10,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:10,808 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:10,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:10,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:10,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359203851] [2021-06-11 09:56:10,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:10,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:10,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:10,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:10,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:10,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 138 transitions, 1367 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:10,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:10,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:10,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:11,033 INFO L129 PetriNetUnfolder]: 72/199 cut-off events. [2021-06-11 09:56:11,033 INFO L130 PetriNetUnfolder]: For 5472/5472 co-relation queries the response was YES. [2021-06-11 09:56:11,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1517 conditions, 199 events. 72/199 cut-off events. For 5472/5472 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1001 event pairs, 1 based on Foata normal form. 2/198 useless extension candidates. Maximal degree in co-relation 1413. Up to 151 conditions per place. [2021-06-11 09:56:11,036 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 113 selfloop transitions, 23 changer transitions 2/142 dead transitions. [2021-06-11 09:56:11,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 142 transitions, 1756 flow [2021-06-11 09:56:11,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 09:56:11,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 09:56:11,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 158 transitions. [2021-06-11 09:56:11,037 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4340659340659341 [2021-06-11 09:56:11,037 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 158 transitions. [2021-06-11 09:56:11,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 158 transitions. [2021-06-11 09:56:11,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:11,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 158 transitions. [2021-06-11 09:56:11,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 12.153846153846153) internal successors, (158), 13 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:11,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:11,038 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:11,038 INFO L185 Difference]: Start difference. First operand has 184 places, 138 transitions, 1367 flow. Second operand 13 states and 158 transitions. [2021-06-11 09:56:11,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 142 transitions, 1756 flow [2021-06-11 09:56:11,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 142 transitions, 1609 flow, removed 67 selfloop flow, removed 5 redundant places. [2021-06-11 09:56:11,066 INFO L241 Difference]: Finished difference. Result has 195 places, 140 transitions, 1339 flow [2021-06-11 09:56:11,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1220, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1339, PETRI_PLACES=195, PETRI_TRANSITIONS=140} [2021-06-11 09:56:11,066 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 180 predicate places. [2021-06-11 09:56:11,067 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:11,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 140 transitions, 1339 flow [2021-06-11 09:56:11,067 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 140 transitions, 1339 flow [2021-06-11 09:56:11,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 193 places, 140 transitions, 1339 flow [2021-06-11 09:56:11,088 INFO L129 PetriNetUnfolder]: 70/193 cut-off events. [2021-06-11 09:56:11,088 INFO L130 PetriNetUnfolder]: For 3608/3608 co-relation queries the response was YES. [2021-06-11 09:56:11,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 193 events. 70/193 cut-off events. For 3608/3608 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1000 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 1090. Up to 42 conditions per place. [2021-06-11 09:56:11,090 INFO L151 LiptonReduction]: Number of co-enabled transitions 86 [2021-06-11 09:56:11,101 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:11,102 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:11,102 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-06-11 09:56:11,102 INFO L480 AbstractCegarLoop]: Abstraction has has 193 places, 140 transitions, 1339 flow [2021-06-11 09:56:11,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:11,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:11,102 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:11,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-06-11 09:56:11,323 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:11,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:11,324 INFO L82 PathProgramCache]: Analyzing trace with hash -292158827, now seen corresponding path program 52 times [2021-06-11 09:56:11,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:11,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146520289] [2021-06-11 09:56:11,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:11,335 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:11,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:11,343 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:11,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:11,351 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:11,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:11,360 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:11,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:11,370 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:11,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:11,381 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:11,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:11,395 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:11,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:11,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146520289] [2021-06-11 09:56:11,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003831396] [2021-06-11 09:56:11,406 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:11,427 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:56:11,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:11,427 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:11,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:11,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:11,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:11,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:11,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:11,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:11,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:11,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:11,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:11,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:11,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:11,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:11,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:11,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:11,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:11,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:11,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:11,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,456 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:56:11,456 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:56:11,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:11,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:11,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:11,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:11,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:11,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:11,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:11,488 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-06-11 09:56:11,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:11,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:11,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:11,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:11,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:11,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:11,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,508 INFO L147 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size 35 [2021-06-11 09:56:11,508 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-06-11 09:56:11,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:11,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:11,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:11,527 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:56:11,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:11,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:11,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:11,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:11,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:11,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:11,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:11,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:11,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:11,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:11,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:11,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:11,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:11,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:11,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:11,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:11,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:11,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028058586] [2021-06-11 09:56:11,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:11,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:11,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:11,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:11,563 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:11,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 140 transitions, 1339 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:11,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:11,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:11,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:11,733 INFO L129 PetriNetUnfolder]: 72/193 cut-off events. [2021-06-11 09:56:11,733 INFO L130 PetriNetUnfolder]: For 4293/4293 co-relation queries the response was YES. [2021-06-11 09:56:11,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1409 conditions, 193 events. 72/193 cut-off events. For 4293/4293 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 957 event pairs, 1 based on Foata normal form. 1/191 useless extension candidates. Maximal degree in co-relation 1300. Up to 156 conditions per place. [2021-06-11 09:56:11,735 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 126 selfloop transitions, 13 changer transitions 1/144 dead transitions. [2021-06-11 09:56:11,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 144 transitions, 1752 flow [2021-06-11 09:56:11,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:11,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2021-06-11 09:56:11,736 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4365079365079365 [2021-06-11 09:56:11,736 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 110 transitions. [2021-06-11 09:56:11,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 110 transitions. [2021-06-11 09:56:11,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:11,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 110 transitions. [2021-06-11 09:56:11,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:11,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:11,737 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:11,737 INFO L185 Difference]: Start difference. First operand has 193 places, 140 transitions, 1339 flow. Second operand 9 states and 110 transitions. [2021-06-11 09:56:11,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 144 transitions, 1752 flow [2021-06-11 09:56:11,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 144 transitions, 1658 flow, removed 27 selfloop flow, removed 10 redundant places. [2021-06-11 09:56:11,763 INFO L241 Difference]: Finished difference. Result has 194 places, 143 transitions, 1378 flow [2021-06-11 09:56:11,763 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1245, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1378, PETRI_PLACES=194, PETRI_TRANSITIONS=143} [2021-06-11 09:56:11,763 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 179 predicate places. [2021-06-11 09:56:11,763 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:11,763 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 194 places, 143 transitions, 1378 flow [2021-06-11 09:56:11,763 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 194 places, 143 transitions, 1378 flow [2021-06-11 09:56:11,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 193 places, 143 transitions, 1378 flow [2021-06-11 09:56:11,782 INFO L129 PetriNetUnfolder]: 70/189 cut-off events. [2021-06-11 09:56:11,782 INFO L130 PetriNetUnfolder]: For 3718/3718 co-relation queries the response was YES. [2021-06-11 09:56:11,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1148 conditions, 189 events. 70/189 cut-off events. For 3718/3718 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 976 event pairs, 0 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 1047. Up to 39 conditions per place. [2021-06-11 09:56:11,784 INFO L151 LiptonReduction]: Number of co-enabled transitions 86 [2021-06-11 09:56:11,788 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:11,788 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:11,788 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-06-11 09:56:11,789 INFO L480 AbstractCegarLoop]: Abstraction has has 193 places, 143 transitions, 1378 flow [2021-06-11 09:56:11,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:11,789 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:11,789 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:11,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-06-11 09:56:11,989 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:11,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:11,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1067617383, now seen corresponding path program 53 times [2021-06-11 09:56:11,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:11,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156016811] [2021-06-11 09:56:11,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:12,001 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:12,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,008 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:12,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:12,015 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:12,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:12,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:12,031 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:56:12,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:12,044 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:56:12,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:12,055 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:12,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:12,065 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:12,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156016811] [2021-06-11 09:56:12,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196053770] [2021-06-11 09:56:12,065 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:12,081 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 09:56:12,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:12,082 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:12,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:12,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:12,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:12,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:12,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:12,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,103 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:56:12,104 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:56:12,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:12,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:12,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:12,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,117 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-06-11 09:56:12,117 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-11 09:56:12,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:12,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:12,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:12,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:12,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:12,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:12,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:12,149 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:56:12,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:12,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:12,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:12,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:56:12,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:12,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:12,172 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:56:12,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:56:12,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:12,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:12,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:12,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:12,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:12,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:12,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:12,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:12,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:12,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:12,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:12,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:12,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:12,199 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:12,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:12,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:12,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806252732] [2021-06-11 09:56:12,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:12,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:12,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:12,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:12,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:12,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 143 transitions, 1378 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:12,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:12,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:12,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:12,381 INFO L129 PetriNetUnfolder]: 72/189 cut-off events. [2021-06-11 09:56:12,382 INFO L130 PetriNetUnfolder]: For 4128/4128 co-relation queries the response was YES. [2021-06-11 09:56:12,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1363 conditions, 189 events. 72/189 cut-off events. For 4128/4128 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 933 event pairs, 1 based on Foata normal form. 1/187 useless extension candidates. Maximal degree in co-relation 1260. Up to 141 conditions per place. [2021-06-11 09:56:12,383 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 109 selfloop transitions, 32 changer transitions 1/146 dead transitions. [2021-06-11 09:56:12,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 146 transitions, 1723 flow [2021-06-11 09:56:12,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 09:56:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 09:56:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 152 transitions. [2021-06-11 09:56:12,384 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2021-06-11 09:56:12,384 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 152 transitions. [2021-06-11 09:56:12,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 152 transitions. [2021-06-11 09:56:12,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:12,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 152 transitions. [2021-06-11 09:56:12,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.666666666666666) internal successors, (152), 12 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:12,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:12,391 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:12,391 INFO L185 Difference]: Start difference. First operand has 193 places, 143 transitions, 1378 flow. Second operand 12 states and 152 transitions. [2021-06-11 09:56:12,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 146 transitions, 1723 flow [2021-06-11 09:56:12,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 146 transitions, 1595 flow, removed 53 selfloop flow, removed 6 redundant places. [2021-06-11 09:56:12,408 INFO L241 Difference]: Finished difference. Result has 201 places, 145 transitions, 1382 flow [2021-06-11 09:56:12,409 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1250, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1382, PETRI_PLACES=201, PETRI_TRANSITIONS=145} [2021-06-11 09:56:12,409 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 186 predicate places. [2021-06-11 09:56:12,409 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:12,409 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 145 transitions, 1382 flow [2021-06-11 09:56:12,409 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 145 transitions, 1382 flow [2021-06-11 09:56:12,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 200 places, 145 transitions, 1382 flow [2021-06-11 09:56:12,426 INFO L129 PetriNetUnfolder]: 70/186 cut-off events. [2021-06-11 09:56:12,426 INFO L130 PetriNetUnfolder]: For 3425/3425 co-relation queries the response was YES. [2021-06-11 09:56:12,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1124 conditions, 186 events. 70/186 cut-off events. For 3425/3425 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 938 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 1023. Up to 38 conditions per place. [2021-06-11 09:56:12,427 INFO L151 LiptonReduction]: Number of co-enabled transitions 84 [2021-06-11 09:56:12,433 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:12,433 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:12,433 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-06-11 09:56:12,433 INFO L480 AbstractCegarLoop]: Abstraction has has 200 places, 145 transitions, 1382 flow [2021-06-11 09:56:12,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:12,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:12,434 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:12,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,61 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:12,655 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:12,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:12,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1037111399, now seen corresponding path program 54 times [2021-06-11 09:56:12,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:12,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322930527] [2021-06-11 09:56:12,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:12,666 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:56:12,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:12,672 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:12,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:12,679 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:12,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:12,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:12,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:12,708 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:12,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:12,719 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:12,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:12,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322930527] [2021-06-11 09:56:12,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360329438] [2021-06-11 09:56:12,729 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:12,745 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-11 09:56:12,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:12,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:56:12,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:12,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:12,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:12,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:12,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:12,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:12,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:12,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:12,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:12,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:12,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:12,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:12,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:12,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,754 INFO L147 QuantifierPusher]: treesize reduction -1, result has 106.7 percent of original size 16 [2021-06-11 09:56:12,754 INFO L142 QuantifierPusher]: treesize reduction -1, result has 106.7 percent of original size [2021-06-11 09:56:12,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:12,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:12,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:12,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:12,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:12,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:12,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:12,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,782 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size 37 [2021-06-11 09:56:12,783 INFO L142 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size [2021-06-11 09:56:12,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:12,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:12,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:12,799 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-06-11 09:56:12,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 09:56:12,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:12,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:12,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:12,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:12,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:12,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,818 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:56:12,818 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:56:12,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:12,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:12,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:12,841 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:56:12,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:56:12,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:12,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:56:12,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:12,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,860 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:56:12,860 INFO L142 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size [2021-06-11 09:56:12,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-06-11 09:56:12,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:12,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:12,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:12,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:12,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:12,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:12,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:12,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:12,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:12,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:12,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:12,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:12,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348000324] [2021-06-11 09:56:12,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:12,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:12,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:12,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:12,902 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:12,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 145 transitions, 1382 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:12,903 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:12,903 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:12,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:13,055 INFO L129 PetriNetUnfolder]: 72/191 cut-off events. [2021-06-11 09:56:13,055 INFO L130 PetriNetUnfolder]: For 4181/4181 co-relation queries the response was YES. [2021-06-11 09:56:13,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1351 conditions, 191 events. 72/191 cut-off events. For 4181/4181 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 952 event pairs, 1 based on Foata normal form. 1/189 useless extension candidates. Maximal degree in co-relation 1246. Up to 153 conditions per place. [2021-06-11 09:56:13,057 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 127 selfloop transitions, 15 changer transitions 1/147 dead transitions. [2021-06-11 09:56:13,057 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 147 transitions, 1681 flow [2021-06-11 09:56:13,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:13,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 111 transitions. [2021-06-11 09:56:13,058 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44047619047619047 [2021-06-11 09:56:13,058 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 111 transitions. [2021-06-11 09:56:13,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 111 transitions. [2021-06-11 09:56:13,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:13,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 111 transitions. [2021-06-11 09:56:13,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:13,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:13,059 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:13,059 INFO L185 Difference]: Start difference. First operand has 200 places, 145 transitions, 1382 flow. Second operand 9 states and 111 transitions. [2021-06-11 09:56:13,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 147 transitions, 1681 flow [2021-06-11 09:56:13,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 147 transitions, 1544 flow, removed 41 selfloop flow, removed 9 redundant places. [2021-06-11 09:56:13,082 INFO L241 Difference]: Finished difference. Result has 201 places, 146 transitions, 1288 flow [2021-06-11 09:56:13,082 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1245, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1288, PETRI_PLACES=201, PETRI_TRANSITIONS=146} [2021-06-11 09:56:13,082 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 186 predicate places. [2021-06-11 09:56:13,083 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:13,083 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 146 transitions, 1288 flow [2021-06-11 09:56:13,083 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 146 transitions, 1288 flow [2021-06-11 09:56:13,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 200 places, 146 transitions, 1288 flow [2021-06-11 09:56:13,102 INFO L129 PetriNetUnfolder]: 70/187 cut-off events. [2021-06-11 09:56:13,102 INFO L130 PetriNetUnfolder]: For 3045/3045 co-relation queries the response was YES. [2021-06-11 09:56:13,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1075 conditions, 187 events. 70/187 cut-off events. For 3045/3045 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 945 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 973. Up to 34 conditions per place. [2021-06-11 09:56:13,104 INFO L151 LiptonReduction]: Number of co-enabled transitions 84 [2021-06-11 09:56:13,110 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:13,110 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:13,110 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-06-11 09:56:13,111 INFO L480 AbstractCegarLoop]: Abstraction has has 200 places, 146 transitions, 1288 flow [2021-06-11 09:56:13,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:13,111 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:13,111 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:13,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:13,317 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:13,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:13,317 INFO L82 PathProgramCache]: Analyzing trace with hash -322664811, now seen corresponding path program 4 times [2021-06-11 09:56:13,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:13,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528541799] [2021-06-11 09:56:13,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:13,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:13,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:13,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:13,360 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-06-11 09:56:13,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:13,388 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-06-11 09:56:13,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:13,408 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:13,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528541799] [2021-06-11 09:56:13,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662801660] [2021-06-11 09:56:13,408 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:13,424 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:56:13,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:13,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-11 09:56:13,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:13,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:13,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:13,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:13,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:13,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,455 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:56:13,455 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:56:13,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:13,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:13,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:13,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:13,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:13,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:13,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:13,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,482 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-06-11 09:56:13,482 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-06-11 09:56:13,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:13,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:13,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:13,497 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-06-11 09:56:13,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:13,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:13,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:13,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:56:13,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:13,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:13,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:13,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:13,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:13,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:13,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:13,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:13,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:13,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:13,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:13,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:13,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:13,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:13,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:13,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:13,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:13,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-06-11 09:56:13,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135688911] [2021-06-11 09:56:13,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-11 09:56:13,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:13,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-11 09:56:13,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-06-11 09:56:13,532 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 28 [2021-06-11 09:56:13,532 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 146 transitions, 1288 flow. Second operand has 13 states, 13 states have (on average 14.0) internal successors, (182), 13 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:13,532 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:13,532 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 28 [2021-06-11 09:56:13,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:13,796 INFO L129 PetriNetUnfolder]: 72/193 cut-off events. [2021-06-11 09:56:13,797 INFO L130 PetriNetUnfolder]: For 4618/4638 co-relation queries the response was YES. [2021-06-11 09:56:13,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1363 conditions, 193 events. 72/193 cut-off events. For 4618/4638 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 980 event pairs, 0 based on Foata normal form. 1/191 useless extension candidates. Maximal degree in co-relation 1257. Up to 137 conditions per place. [2021-06-11 09:56:13,799 INFO L132 encePairwiseOnDemand]: 23/28 looper letters, 113 selfloop transitions, 13 changer transitions 2/150 dead transitions. [2021-06-11 09:56:13,799 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 150 transitions, 1722 flow [2021-06-11 09:56:13,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 09:56:13,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 09:56:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 122 transitions. [2021-06-11 09:56:13,801 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5446428571428571 [2021-06-11 09:56:13,801 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 122 transitions. [2021-06-11 09:56:13,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 122 transitions. [2021-06-11 09:56:13,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:13,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 122 transitions. [2021-06-11 09:56:13,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 15.25) internal successors, (122), 8 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:13,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:13,801 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:13,801 INFO L185 Difference]: Start difference. First operand has 200 places, 146 transitions, 1288 flow. Second operand 8 states and 122 transitions. [2021-06-11 09:56:13,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 150 transitions, 1722 flow [2021-06-11 09:56:13,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 150 transitions, 1692 flow, removed 1 selfloop flow, removed 7 redundant places. [2021-06-11 09:56:13,818 INFO L241 Difference]: Finished difference. Result has 202 places, 148 transitions, 1383 flow [2021-06-11 09:56:13,818 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1258, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1383, PETRI_PLACES=202, PETRI_TRANSITIONS=148} [2021-06-11 09:56:13,818 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 187 predicate places. [2021-06-11 09:56:13,818 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:13,819 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 148 transitions, 1383 flow [2021-06-11 09:56:13,819 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 148 transitions, 1383 flow [2021-06-11 09:56:13,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 148 transitions, 1383 flow [2021-06-11 09:56:13,834 INFO L129 PetriNetUnfolder]: 72/191 cut-off events. [2021-06-11 09:56:13,835 INFO L130 PetriNetUnfolder]: For 4109/4109 co-relation queries the response was YES. [2021-06-11 09:56:13,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1183 conditions, 191 events. 72/191 cut-off events. For 4109/4109 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 982 event pairs, 0 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 1080. Up to 37 conditions per place. [2021-06-11 09:56:13,837 INFO L151 LiptonReduction]: Number of co-enabled transitions 84 [2021-06-11 09:56:13,841 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:13,841 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:13,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-06-11 09:56:13,841 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 148 transitions, 1383 flow [2021-06-11 09:56:13,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 14.0) internal successors, (182), 13 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:13,841 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:13,841 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:14,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:14,043 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:14,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:14,044 INFO L82 PathProgramCache]: Analyzing trace with hash 681232307, now seen corresponding path program 55 times [2021-06-11 09:56:14,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:14,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032611294] [2021-06-11 09:56:14,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:14,052 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:56:14,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:14,058 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:14,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:14,065 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:14,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,075 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:14,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:14,095 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:14,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:14,109 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:14,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:14,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032611294] [2021-06-11 09:56:14,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501197470] [2021-06-11 09:56:14,120 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 09:56:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:14,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:56:14,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:14,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:14,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:14,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:14,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:14,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:14,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:14,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:14,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:14,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:14,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:14,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:14,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:14,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,164 INFO L147 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size 16 [2021-06-11 09:56:14,164 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-06-11 09:56:14,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:14,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:14,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:14,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,179 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size 29 [2021-06-11 09:56:14,180 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-06-11 09:56:14,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:14,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:14,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:14,202 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-06-11 09:56:14,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:14,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:14,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:56:14,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:14,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:14,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,226 INFO L147 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size 35 [2021-06-11 09:56:14,226 INFO L142 QuantifierPusher]: treesize reduction -2, result has 106.1 percent of original size [2021-06-11 09:56:14,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 09:56:14,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 09:56:14,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 09:56:14,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,248 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:56:14,248 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:56:14,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:14,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:14,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:14,277 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:56:14,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:56:14,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:14,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:56:14,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:14,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,283 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:56:14,284 INFO L142 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size [2021-06-11 09:56:14,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-06-11 09:56:14,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:14,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:14,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:14,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:14,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:14,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:14,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:14,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:14,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:14,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:14,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582883313] [2021-06-11 09:56:14,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:14,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:14,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:14,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:14,332 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:14,332 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 148 transitions, 1383 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:14,332 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:14,332 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:14,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:14,464 INFO L129 PetriNetUnfolder]: 73/190 cut-off events. [2021-06-11 09:56:14,464 INFO L130 PetriNetUnfolder]: For 4860/4860 co-relation queries the response was YES. [2021-06-11 09:56:14,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1400 conditions, 190 events. 73/190 cut-off events. For 4860/4860 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 945 event pairs, 0 based on Foata normal form. 1/188 useless extension candidates. Maximal degree in co-relation 1296. Up to 158 conditions per place. [2021-06-11 09:56:14,466 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 134 selfloop transitions, 11 changer transitions 1/150 dead transitions. [2021-06-11 09:56:14,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 150 transitions, 1692 flow [2021-06-11 09:56:14,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:14,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 108 transitions. [2021-06-11 09:56:14,468 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2021-06-11 09:56:14,468 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 108 transitions. [2021-06-11 09:56:14,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 108 transitions. [2021-06-11 09:56:14,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:14,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 108 transitions. [2021-06-11 09:56:14,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.0) internal successors, (108), 9 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:14,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:14,469 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:14,469 INFO L185 Difference]: Start difference. First operand has 201 places, 148 transitions, 1383 flow. Second operand 9 states and 108 transitions. [2021-06-11 09:56:14,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 150 transitions, 1692 flow [2021-06-11 09:56:14,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 150 transitions, 1615 flow, removed 27 selfloop flow, removed 6 redundant places. [2021-06-11 09:56:14,487 INFO L241 Difference]: Finished difference. Result has 205 places, 149 transitions, 1343 flow [2021-06-11 09:56:14,488 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1343, PETRI_PLACES=205, PETRI_TRANSITIONS=149} [2021-06-11 09:56:14,488 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 190 predicate places. [2021-06-11 09:56:14,488 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:14,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 149 transitions, 1343 flow [2021-06-11 09:56:14,488 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 149 transitions, 1343 flow [2021-06-11 09:56:14,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 204 places, 149 transitions, 1343 flow [2021-06-11 09:56:14,502 INFO L129 PetriNetUnfolder]: 72/187 cut-off events. [2021-06-11 09:56:14,502 INFO L130 PetriNetUnfolder]: For 3660/3660 co-relation queries the response was YES. [2021-06-11 09:56:14,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 187 events. 72/187 cut-off events. For 3660/3660 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 952 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 1032. Up to 34 conditions per place. [2021-06-11 09:56:14,504 INFO L151 LiptonReduction]: Number of co-enabled transitions 84 [2021-06-11 09:56:14,510 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:14,511 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:14,511 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-06-11 09:56:14,511 INFO L480 AbstractCegarLoop]: Abstraction has has 204 places, 149 transitions, 1343 flow [2021-06-11 09:56:14,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:14,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:14,511 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:14,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:14,716 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:14,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:14,716 INFO L82 PathProgramCache]: Analyzing trace with hash -208148207, now seen corresponding path program 56 times [2021-06-11 09:56:14,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:14,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022791830] [2021-06-11 09:56:14,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:14,729 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:14,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,737 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:14,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:14,745 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:14,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,754 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-06-11 09:56:14,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,764 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:56:14,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:14,780 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-06-11 09:56:14,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:14,793 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:14,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:14,804 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:14,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022791830] [2021-06-11 09:56:14,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79282641] [2021-06-11 09:56:14,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 09:56:14,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:56:14,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:14,834 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:14,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:14,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:14,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,845 INFO L147 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size 19 [2021-06-11 09:56:14,846 INFO L142 QuantifierPusher]: treesize reduction 7, result has 73.1 percent of original size [2021-06-11 09:56:14,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:14,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:14,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:14,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,858 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-06-11 09:56:14,859 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-06-11 09:56:14,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:14,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:14,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:14,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:14,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:14,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:14,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:14,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:14,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:14,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:14,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:14,911 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:56:14,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:14,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:14,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:14,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:56:14,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:14,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:14,935 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:56:14,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:56:14,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:14,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:14,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:14,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:14,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:14,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:14,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:14,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387163738] [2021-06-11 09:56:14,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:14,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:14,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:14,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:14,979 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:14,979 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 149 transitions, 1343 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:14,979 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:14,979 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:14,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:15,142 INFO L129 PetriNetUnfolder]: 73/186 cut-off events. [2021-06-11 09:56:15,143 INFO L130 PetriNetUnfolder]: For 4410/4410 co-relation queries the response was YES. [2021-06-11 09:56:15,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1349 conditions, 186 events. 73/186 cut-off events. For 4410/4410 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 915 event pairs, 0 based on Foata normal form. 1/184 useless extension candidates. Maximal degree in co-relation 1247. Up to 152 conditions per place. [2021-06-11 09:56:15,144 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 130 selfloop transitions, 17 changer transitions 1/152 dead transitions. [2021-06-11 09:56:15,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 152 transitions, 1700 flow [2021-06-11 09:56:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:15,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2021-06-11 09:56:15,145 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44841269841269843 [2021-06-11 09:56:15,145 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 113 transitions. [2021-06-11 09:56:15,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 113 transitions. [2021-06-11 09:56:15,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:15,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 113 transitions. [2021-06-11 09:56:15,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:15,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:15,146 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:15,146 INFO L185 Difference]: Start difference. First operand has 204 places, 149 transitions, 1343 flow. Second operand 9 states and 113 transitions. [2021-06-11 09:56:15,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 152 transitions, 1700 flow [2021-06-11 09:56:15,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 152 transitions, 1674 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-06-11 09:56:15,163 INFO L241 Difference]: Finished difference. Result has 208 places, 151 transitions, 1421 flow [2021-06-11 09:56:15,163 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1317, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1421, PETRI_PLACES=208, PETRI_TRANSITIONS=151} [2021-06-11 09:56:15,163 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 193 predicate places. [2021-06-11 09:56:15,163 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:15,163 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 151 transitions, 1421 flow [2021-06-11 09:56:15,163 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 151 transitions, 1421 flow [2021-06-11 09:56:15,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 151 transitions, 1421 flow [2021-06-11 09:56:15,176 INFO L129 PetriNetUnfolder]: 72/184 cut-off events. [2021-06-11 09:56:15,177 INFO L130 PetriNetUnfolder]: For 3763/3763 co-relation queries the response was YES. [2021-06-11 09:56:15,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1146 conditions, 184 events. 72/184 cut-off events. For 3763/3763 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 949 event pairs, 0 based on Foata normal form. 0/181 useless extension candidates. Maximal degree in co-relation 1044. Up to 34 conditions per place. [2021-06-11 09:56:15,178 INFO L151 LiptonReduction]: Number of co-enabled transitions 82 [2021-06-11 09:56:15,183 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:15,183 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:15,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 09:56:15,183 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 151 transitions, 1421 flow [2021-06-11 09:56:15,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:15,183 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:15,184 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:15,384 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:15,385 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:15,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:15,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1887820753, now seen corresponding path program 57 times [2021-06-11 09:56:15,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:15,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581708846] [2021-06-11 09:56:15,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:15,392 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:15,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:15,409 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:15,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:15,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:15,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:15,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:15,442 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:56:15,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:15,453 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:15,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:15,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581708846] [2021-06-11 09:56:15,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762830120] [2021-06-11 09:56:15,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:15,482 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 09:56:15,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:15,482 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:15,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:15,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:15,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:15,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:15,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:15,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:15,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:15,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:15,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:15,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:15,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:15,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:15,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:15,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:15,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:15,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:15,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:15,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,504 INFO L147 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size 26 [2021-06-11 09:56:15,504 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-06-11 09:56:15,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:56:15,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:56:15,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:56:15,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,520 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-06-11 09:56:15,520 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size [2021-06-11 09:56:15,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,537 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-06-11 09:56:15,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:15,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:15,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:15,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:15,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,560 INFO L147 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size 35 [2021-06-11 09:56:15,560 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-06-11 09:56:15,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 09:56:15,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 09:56:15,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 09:56:15,583 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:56:15,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-06-11 09:56:15,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:15,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:15,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:15,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:15,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:15,608 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:15,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:15,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:15,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415700336] [2021-06-11 09:56:15,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:15,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:15,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:15,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:15,609 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:15,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 151 transitions, 1421 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:15,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:15,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:15,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:15,977 INFO L129 PetriNetUnfolder]: 74/191 cut-off events. [2021-06-11 09:56:15,977 INFO L130 PetriNetUnfolder]: For 5729/5729 co-relation queries the response was YES. [2021-06-11 09:56:15,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1475 conditions, 191 events. 74/191 cut-off events. For 5729/5729 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 954 event pairs, 1 based on Foata normal form. 2/190 useless extension candidates. Maximal degree in co-relation 1371. Up to 149 conditions per place. [2021-06-11 09:56:15,979 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 127 selfloop transitions, 14 changer transitions 10/155 dead transitions. [2021-06-11 09:56:15,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 155 transitions, 1935 flow [2021-06-11 09:56:15,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-11 09:56:15,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-06-11 09:56:15,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 180 transitions. [2021-06-11 09:56:15,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2021-06-11 09:56:15,980 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 180 transitions. [2021-06-11 09:56:15,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 180 transitions. [2021-06-11 09:56:15,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:15,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 180 transitions. [2021-06-11 09:56:15,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 12.0) internal successors, (180), 15 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:15,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 28.0) internal successors, (448), 16 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:15,981 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 28.0) internal successors, (448), 16 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:15,981 INFO L185 Difference]: Start difference. First operand has 207 places, 151 transitions, 1421 flow. Second operand 15 states and 180 transitions. [2021-06-11 09:56:15,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 155 transitions, 1935 flow [2021-06-11 09:56:15,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 155 transitions, 1824 flow, removed 43 selfloop flow, removed 6 redundant places. [2021-06-11 09:56:16,001 INFO L241 Difference]: Finished difference. Result has 219 places, 145 transitions, 1304 flow [2021-06-11 09:56:16,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1310, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1304, PETRI_PLACES=219, PETRI_TRANSITIONS=145} [2021-06-11 09:56:16,001 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 204 predicate places. [2021-06-11 09:56:16,001 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:16,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 145 transitions, 1304 flow [2021-06-11 09:56:16,002 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 145 transitions, 1304 flow [2021-06-11 09:56:16,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 208 places, 145 transitions, 1304 flow [2021-06-11 09:56:16,026 INFO L129 PetriNetUnfolder]: 70/176 cut-off events. [2021-06-11 09:56:16,026 INFO L130 PetriNetUnfolder]: For 4048/4048 co-relation queries the response was YES. [2021-06-11 09:56:16,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 176 events. 70/176 cut-off events. For 4048/4048 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 874 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 1008. Up to 29 conditions per place. [2021-06-11 09:56:16,028 INFO L151 LiptonReduction]: Number of co-enabled transitions 74 [2021-06-11 09:56:16,032 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:16,032 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:16,032 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-06-11 09:56:16,032 INFO L480 AbstractCegarLoop]: Abstraction has has 208 places, 145 transitions, 1304 flow [2021-06-11 09:56:16,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:16,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:16,032 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:16,232 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-06-11 09:56:16,233 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:16,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:16,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1826841459, now seen corresponding path program 58 times [2021-06-11 09:56:16,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:16,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534578063] [2021-06-11 09:56:16,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:16,246 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:56:16,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,252 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:16,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:16,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:16,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:16,276 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:56:16,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:16,292 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:56:16,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:16,305 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:16,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:16,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:16,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534578063] [2021-06-11 09:56:16,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864150217] [2021-06-11 09:56:16,316 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:16,336 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:56:16,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:16,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:56:16,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:16,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,345 INFO L147 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size 16 [2021-06-11 09:56:16,345 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-06-11 09:56:16,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:16,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:16,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:16,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,357 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-06-11 09:56:16,357 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-06-11 09:56:16,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:16,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:16,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:16,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,370 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size 31 [2021-06-11 09:56:16,371 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-06-11 09:56:16,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:16,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:16,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:16,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,389 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 46 [2021-06-11 09:56:16,390 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-11 09:56:16,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:16,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:16,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:16,412 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:56:16,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 09:56:16,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:16,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:16,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-11 09:56:16,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:16,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:16,439 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:56:16,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:56:16,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:16,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:56:16,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:16,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,443 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:56:16,443 INFO L142 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size [2021-06-11 09:56:16,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-06-11 09:56:16,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:16,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:16,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:16,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:16,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:16,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:16,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:16,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:16,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:16,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:16,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13029427] [2021-06-11 09:56:16,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:16,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:16,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:16,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:16,484 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:16,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 145 transitions, 1304 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:16,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:16,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:16,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:16,668 INFO L129 PetriNetUnfolder]: 75/190 cut-off events. [2021-06-11 09:56:16,668 INFO L130 PetriNetUnfolder]: For 6464/6464 co-relation queries the response was YES. [2021-06-11 09:56:16,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1512 conditions, 190 events. 75/190 cut-off events. For 6464/6464 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 915 event pairs, 1 based on Foata normal form. 1/188 useless extension candidates. Maximal degree in co-relation 1400. Up to 153 conditions per place. [2021-06-11 09:56:16,670 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 133 selfloop transitions, 14 changer transitions 1/152 dead transitions. [2021-06-11 09:56:16,670 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 152 transitions, 1914 flow [2021-06-11 09:56:16,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2021-06-11 09:56:16,671 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44841269841269843 [2021-06-11 09:56:16,671 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 113 transitions. [2021-06-11 09:56:16,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 113 transitions. [2021-06-11 09:56:16,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:16,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 113 transitions. [2021-06-11 09:56:16,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:16,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:16,671 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:16,671 INFO L185 Difference]: Start difference. First operand has 208 places, 145 transitions, 1304 flow. Second operand 9 states and 113 transitions. [2021-06-11 09:56:16,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 152 transitions, 1914 flow [2021-06-11 09:56:16,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 152 transitions, 1830 flow, removed 25 selfloop flow, removed 16 redundant places. [2021-06-11 09:56:16,693 INFO L241 Difference]: Finished difference. Result has 203 places, 149 transitions, 1469 flow [2021-06-11 09:56:16,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1244, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1469, PETRI_PLACES=203, PETRI_TRANSITIONS=149} [2021-06-11 09:56:16,694 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 188 predicate places. [2021-06-11 09:56:16,694 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:16,694 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 203 places, 149 transitions, 1469 flow [2021-06-11 09:56:16,694 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 203 places, 149 transitions, 1469 flow [2021-06-11 09:56:16,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 149 transitions, 1469 flow [2021-06-11 09:56:16,715 INFO L129 PetriNetUnfolder]: 73/185 cut-off events. [2021-06-11 09:56:16,715 INFO L130 PetriNetUnfolder]: For 4840/4860 co-relation queries the response was YES. [2021-06-11 09:56:16,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1218 conditions, 185 events. 73/185 cut-off events. For 4840/4860 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 927 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 1116. Up to 34 conditions per place. [2021-06-11 09:56:16,717 INFO L151 LiptonReduction]: Number of co-enabled transitions 76 [2021-06-11 09:56:16,723 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:16,724 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:16,724 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-06-11 09:56:16,724 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 149 transitions, 1469 flow [2021-06-11 09:56:16,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:16,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:16,724 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:16,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-06-11 09:56:16,941 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:16,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:16,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1827735189, now seen corresponding path program 59 times [2021-06-11 09:56:16,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:16,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108325629] [2021-06-11 09:56:16,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:16,949 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:56:16,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:16,955 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:16,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:16,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:16,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:16,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:16,980 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:56:16,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:16,993 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:16,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:17,005 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:17,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:17,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108325629] [2021-06-11 09:56:17,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092212972] [2021-06-11 09:56:17,015 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:17,031 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 09:56:17,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:17,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:56:17,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:17,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,040 INFO L147 QuantifierPusher]: treesize reduction -1, result has 106.7 percent of original size 16 [2021-06-11 09:56:17,040 INFO L142 QuantifierPusher]: treesize reduction -1, result has 106.7 percent of original size [2021-06-11 09:56:17,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:17,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:17,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:17,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,052 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size 18 [2021-06-11 09:56:17,052 INFO L142 QuantifierPusher]: treesize reduction -1, result has 105.9 percent of original size [2021-06-11 09:56:17,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:17,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:17,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:17,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,065 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size 31 [2021-06-11 09:56:17,065 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-06-11 09:56:17,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:17,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:17,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:17,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,081 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 46 [2021-06-11 09:56:17,081 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-11 09:56:17,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:17,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:17,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:17,100 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:56:17,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 09:56:17,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:17,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:17,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-06-11 09:56:17,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 09:56:17,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 09:56:17,131 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-06-11 09:56:17,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:17,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:17,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 09:56:17,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-06-11 09:56:17,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,136 INFO L147 QuantifierPusher]: treesize reduction -4, result has 103.5 percent of original size 119 [2021-06-11 09:56:17,137 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.5 percent of original size [2021-06-11 09:56:17,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-06-11 09:56:17,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:17,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:17,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:17,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987878720] [2021-06-11 09:56:17,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:17,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:17,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:17,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:17,188 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:17,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 149 transitions, 1469 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:17,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:17,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:17,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:17,416 INFO L129 PetriNetUnfolder]: 74/191 cut-off events. [2021-06-11 09:56:17,416 INFO L130 PetriNetUnfolder]: For 6178/6178 co-relation queries the response was YES. [2021-06-11 09:56:17,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1509 conditions, 191 events. 74/191 cut-off events. For 6178/6178 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 927 event pairs, 0 based on Foata normal form. 1/189 useless extension candidates. Maximal degree in co-relation 1404. Up to 154 conditions per place. [2021-06-11 09:56:17,417 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 133 selfloop transitions, 15 changer transitions 1/153 dead transitions. [2021-06-11 09:56:17,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 153 transitions, 1918 flow [2021-06-11 09:56:17,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:17,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:17,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2021-06-11 09:56:17,418 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44841269841269843 [2021-06-11 09:56:17,418 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 113 transitions. [2021-06-11 09:56:17,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 113 transitions. [2021-06-11 09:56:17,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:17,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 113 transitions. [2021-06-11 09:56:17,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:17,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:17,419 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:17,419 INFO L185 Difference]: Start difference. First operand has 202 places, 149 transitions, 1469 flow. Second operand 9 states and 113 transitions. [2021-06-11 09:56:17,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 153 transitions, 1918 flow [2021-06-11 09:56:17,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 153 transitions, 1685 flow, removed 110 selfloop flow, removed 5 redundant places. [2021-06-11 09:56:17,439 INFO L241 Difference]: Finished difference. Result has 208 places, 151 transitions, 1423 flow [2021-06-11 09:56:17,439 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1312, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1423, PETRI_PLACES=208, PETRI_TRANSITIONS=151} [2021-06-11 09:56:17,439 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 193 predicate places. [2021-06-11 09:56:17,439 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:17,439 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 151 transitions, 1423 flow [2021-06-11 09:56:17,439 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 151 transitions, 1423 flow [2021-06-11 09:56:17,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 151 transitions, 1423 flow [2021-06-11 09:56:17,453 INFO L129 PetriNetUnfolder]: 73/186 cut-off events. [2021-06-11 09:56:17,453 INFO L130 PetriNetUnfolder]: For 3840/3860 co-relation queries the response was YES. [2021-06-11 09:56:17,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1142 conditions, 186 events. 73/186 cut-off events. For 3840/3860 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 926 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 1037. Up to 28 conditions per place. [2021-06-11 09:56:17,455 INFO L151 LiptonReduction]: Number of co-enabled transitions 76 [2021-06-11 09:56:17,459 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:17,459 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:17,459 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 09:56:17,459 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 151 transitions, 1423 flow [2021-06-11 09:56:17,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:17,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:17,460 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:17,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:17,660 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:17,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:17,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1664067921, now seen corresponding path program 60 times [2021-06-11 09:56:17,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:17,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190990879] [2021-06-11 09:56:17,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:17,667 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:56:17,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,673 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:17,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:17,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:17,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:17,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:17,719 INFO L142 QuantifierPusher]: treesize reduction 10, result has 67.7 percent of original size [2021-06-11 09:56:17,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:17,731 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-11 09:56:17,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:17,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:17,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190990879] [2021-06-11 09:56:17,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648008927] [2021-06-11 09:56:17,748 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:17,764 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 09:56:17,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:17,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:56:17,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:17,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:17,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,773 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-06-11 09:56:17,774 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-06-11 09:56:17,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:17,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:17,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:17,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,786 INFO L147 QuantifierPusher]: treesize reduction -2, result has 112.5 percent of original size 18 [2021-06-11 09:56:17,787 INFO L142 QuantifierPusher]: treesize reduction -2, result has 112.5 percent of original size [2021-06-11 09:56:17,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:17,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:17,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:17,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,801 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.2 percent of original size 25 [2021-06-11 09:56:17,801 INFO L142 QuantifierPusher]: treesize reduction -1, result has 104.2 percent of original size [2021-06-11 09:56:17,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:17,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:17,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:17,817 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.6 percent of original size [2021-06-11 09:56:17,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:17,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:17,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:17,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:17,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:17,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,836 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-06-11 09:56:17,836 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-06-11 09:56:17,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 09:56:17,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 09:56:17,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 09:56:17,866 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-06-11 09:56:17,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:17,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:17,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 09:56:17,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-06-11 09:56:17,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,870 INFO L147 QuantifierPusher]: treesize reduction -4, result has 103.5 percent of original size 119 [2021-06-11 09:56:17,870 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.5 percent of original size [2021-06-11 09:56:17,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-06-11 09:56:17,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:17,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:17,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:17,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:17,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763966190] [2021-06-11 09:56:17,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:17,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:17,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:17,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:17,909 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:17,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 151 transitions, 1423 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:17,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:17,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:17,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:18,066 INFO L129 PetriNetUnfolder]: 75/193 cut-off events. [2021-06-11 09:56:18,066 INFO L130 PetriNetUnfolder]: For 5469/5471 co-relation queries the response was YES. [2021-06-11 09:56:18,067 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1445 conditions, 193 events. 75/193 cut-off events. For 5469/5471 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 944 event pairs, 0 based on Foata normal form. 3/193 useless extension candidates. Maximal degree in co-relation 1337. Up to 159 conditions per place. [2021-06-11 09:56:18,068 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 135 selfloop transitions, 13 changer transitions 1/153 dead transitions. [2021-06-11 09:56:18,068 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 153 transitions, 1829 flow [2021-06-11 09:56:18,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:18,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2021-06-11 09:56:18,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4365079365079365 [2021-06-11 09:56:18,069 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 110 transitions. [2021-06-11 09:56:18,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 110 transitions. [2021-06-11 09:56:18,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:18,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 110 transitions. [2021-06-11 09:56:18,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:18,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:18,070 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:18,070 INFO L185 Difference]: Start difference. First operand has 207 places, 151 transitions, 1423 flow. Second operand 9 states and 110 transitions. [2021-06-11 09:56:18,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 153 transitions, 1829 flow [2021-06-11 09:56:18,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 153 transitions, 1709 flow, removed 49 selfloop flow, removed 6 redundant places. [2021-06-11 09:56:18,087 INFO L241 Difference]: Finished difference. Result has 211 places, 152 transitions, 1389 flow [2021-06-11 09:56:18,088 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1305, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1389, PETRI_PLACES=211, PETRI_TRANSITIONS=152} [2021-06-11 09:56:18,088 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 196 predicate places. [2021-06-11 09:56:18,088 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:18,088 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 152 transitions, 1389 flow [2021-06-11 09:56:18,088 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 152 transitions, 1389 flow [2021-06-11 09:56:18,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 210 places, 152 transitions, 1389 flow [2021-06-11 09:56:18,102 INFO L129 PetriNetUnfolder]: 73/189 cut-off events. [2021-06-11 09:56:18,102 INFO L130 PetriNetUnfolder]: For 3848/3848 co-relation queries the response was YES. [2021-06-11 09:56:18,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1146 conditions, 189 events. 73/189 cut-off events. For 3848/3848 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 947 event pairs, 0 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 1040. Up to 30 conditions per place. [2021-06-11 09:56:18,104 INFO L151 LiptonReduction]: Number of co-enabled transitions 78 [2021-06-11 09:56:18,108 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:18,108 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:18,108 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 09:56:18,108 INFO L480 AbstractCegarLoop]: Abstraction has has 210 places, 152 transitions, 1389 flow [2021-06-11 09:56:18,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:18,108 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:18,108 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:18,309 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-06-11 09:56:18,309 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:18,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:18,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1639162645, now seen corresponding path program 61 times [2021-06-11 09:56:18,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:18,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230006652] [2021-06-11 09:56:18,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:18,317 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-06-11 09:56:18,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:18,325 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-11 09:56:18,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:18,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:18,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:18,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:18,359 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:56:18,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:18,371 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:18,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:18,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230006652] [2021-06-11 09:56:18,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185415319] [2021-06-11 09:56:18,381 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:18,398 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:18,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:18,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:18,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:18,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:18,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:18,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:18,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:18,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:18,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:18,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:18,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:18,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:18,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:18,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,417 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-06-11 09:56:18,417 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-11 09:56:18,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:18,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:18,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:18,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,435 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-06-11 09:56:18,436 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size [2021-06-11 09:56:18,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:18,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:18,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:18,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,457 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size 32 [2021-06-11 09:56:18,457 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-06-11 09:56:18,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:18,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:18,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:18,476 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.2 percent of original size [2021-06-11 09:56:18,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 09:56:18,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:18,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:18,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:18,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:18,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:18,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,498 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size 39 [2021-06-11 09:56:18,499 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.0 percent of original size [2021-06-11 09:56:18,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:18,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:18,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:18,522 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:56:18,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:56:18,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:18,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:18,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:18,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:18,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:18,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:18,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:18,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:18,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:18,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:18,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:18,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:18,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:18,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:18,561 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:18,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:18,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-06-11 09:56:18,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200849646] [2021-06-11 09:56:18,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-11 09:56:18,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:18,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-11 09:56:18,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-06-11 09:56:18,562 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:18,562 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 152 transitions, 1389 flow. Second operand has 16 states, 16 states have (on average 11.0) internal successors, (176), 16 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:18,562 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:18,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:18,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:18,934 INFO L129 PetriNetUnfolder]: 75/198 cut-off events. [2021-06-11 09:56:18,934 INFO L130 PetriNetUnfolder]: For 5118/5118 co-relation queries the response was YES. [2021-06-11 09:56:18,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1465 conditions, 198 events. 75/198 cut-off events. For 5118/5118 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 965 event pairs, 1 based on Foata normal form. 2/197 useless extension candidates. Maximal degree in co-relation 1356. Up to 159 conditions per place. [2021-06-11 09:56:18,936 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 136 selfloop transitions, 10 changer transitions 6/156 dead transitions. [2021-06-11 09:56:18,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 156 transitions, 1869 flow [2021-06-11 09:56:18,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 09:56:18,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 09:56:18,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 133 transitions. [2021-06-11 09:56:18,937 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4318181818181818 [2021-06-11 09:56:18,937 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 133 transitions. [2021-06-11 09:56:18,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 133 transitions. [2021-06-11 09:56:18,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:18,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 133 transitions. [2021-06-11 09:56:18,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 12.090909090909092) internal successors, (133), 11 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:18,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:18,941 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 28.0) internal successors, (336), 12 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:18,941 INFO L185 Difference]: Start difference. First operand has 210 places, 152 transitions, 1389 flow. Second operand 11 states and 133 transitions. [2021-06-11 09:56:18,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 156 transitions, 1869 flow [2021-06-11 09:56:18,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 156 transitions, 1793 flow, removed 26 selfloop flow, removed 7 redundant places. [2021-06-11 09:56:18,968 INFO L241 Difference]: Finished difference. Result has 217 places, 150 transitions, 1331 flow [2021-06-11 09:56:18,968 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1313, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1331, PETRI_PLACES=217, PETRI_TRANSITIONS=150} [2021-06-11 09:56:18,968 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 202 predicate places. [2021-06-11 09:56:18,968 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:18,968 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 217 places, 150 transitions, 1331 flow [2021-06-11 09:56:18,968 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 217 places, 150 transitions, 1331 flow [2021-06-11 09:56:18,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 150 transitions, 1331 flow [2021-06-11 09:56:18,982 INFO L129 PetriNetUnfolder]: 72/185 cut-off events. [2021-06-11 09:56:18,982 INFO L130 PetriNetUnfolder]: For 3556/3580 co-relation queries the response was YES. [2021-06-11 09:56:18,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 185 events. 72/185 cut-off events. For 3556/3580 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 934 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 993. Up to 27 conditions per place. [2021-06-11 09:56:18,984 INFO L151 LiptonReduction]: Number of co-enabled transitions 78 [2021-06-11 09:56:18,989 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:18,989 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:18,989 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-06-11 09:56:18,989 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 150 transitions, 1331 flow [2021-06-11 09:56:18,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 16 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:18,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:18,989 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:19,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-06-11 09:56:19,203 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:19,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:19,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1723173265, now seen corresponding path program 62 times [2021-06-11 09:56:19,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:19,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045107731] [2021-06-11 09:56:19,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:19,210 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-06-11 09:56:19,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:19,216 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-11 09:56:19,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:19,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:19,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:19,238 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:56:19,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:19,251 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:56:19,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:19,264 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:19,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:19,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045107731] [2021-06-11 09:56:19,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411176371] [2021-06-11 09:56:19,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:19,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:56:19,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:19,293 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:19,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:19,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:19,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:19,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:19,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:19,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:19,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:19,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:19,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:19,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:19,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:19,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:19,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:19,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,317 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-06-11 09:56:19,317 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-11 09:56:19,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:19,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:19,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:19,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,334 INFO L147 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size 30 [2021-06-11 09:56:19,335 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size [2021-06-11 09:56:19,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:19,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:19,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:19,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,355 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size 32 [2021-06-11 09:56:19,355 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-06-11 09:56:19,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:19,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:19,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:19,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,375 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size 39 [2021-06-11 09:56:19,375 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-06-11 09:56:19,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:56:19,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:56:19,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:56:19,397 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-06-11 09:56:19,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:19,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:19,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:19,400 INFO L147 QuantifierPusher]: treesize reduction 5, result has 91.1 percent of original size 51 [2021-06-11 09:56:19,400 INFO L142 QuantifierPusher]: treesize reduction 5, result has 91.1 percent of original size [2021-06-11 09:56:19,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:19,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:19,424 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-06-11 09:56:19,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 09:56:19,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:19,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:19,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-06-11 09:56:19,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:19,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:19,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:19,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:19,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:19,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:19,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:19,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:19,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:19,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:19,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-06-11 09:56:19,458 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:19,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:19,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-06-11 09:56:19,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457420315] [2021-06-11 09:56:19,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-11 09:56:19,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:19,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-11 09:56:19,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-06-11 09:56:19,459 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:19,459 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 150 transitions, 1331 flow. Second operand has 16 states, 16 states have (on average 11.0) internal successors, (176), 16 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:19,459 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:19,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:19,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:19,735 INFO L129 PetriNetUnfolder]: 77/201 cut-off events. [2021-06-11 09:56:19,735 INFO L130 PetriNetUnfolder]: For 6805/6805 co-relation queries the response was YES. [2021-06-11 09:56:19,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1570 conditions, 201 events. 77/201 cut-off events. For 6805/6805 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 996 event pairs, 1 based on Foata normal form. 1/199 useless extension candidates. Maximal degree in co-relation 1452. Up to 162 conditions per place. [2021-06-11 09:56:19,737 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 137 selfloop transitions, 15 changer transitions 1/157 dead transitions. [2021-06-11 09:56:19,737 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 157 transitions, 1957 flow [2021-06-11 09:56:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-11 09:56:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-11 09:56:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 124 transitions. [2021-06-11 09:56:19,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44285714285714284 [2021-06-11 09:56:19,738 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 124 transitions. [2021-06-11 09:56:19,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 124 transitions. [2021-06-11 09:56:19,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:19,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 124 transitions. [2021-06-11 09:56:19,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 12.4) internal successors, (124), 10 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:19,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 28.0) internal successors, (308), 11 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:19,738 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 28.0) internal successors, (308), 11 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:19,739 INFO L185 Difference]: Start difference. First operand has 211 places, 150 transitions, 1331 flow. Second operand 10 states and 124 transitions. [2021-06-11 09:56:19,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 157 transitions, 1957 flow [2021-06-11 09:56:19,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 157 transitions, 1909 flow, removed 11 selfloop flow, removed 12 redundant places. [2021-06-11 09:56:19,763 INFO L241 Difference]: Finished difference. Result has 211 places, 154 transitions, 1531 flow [2021-06-11 09:56:19,763 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1293, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1531, PETRI_PLACES=211, PETRI_TRANSITIONS=154} [2021-06-11 09:56:19,763 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 196 predicate places. [2021-06-11 09:56:19,763 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:19,763 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 154 transitions, 1531 flow [2021-06-11 09:56:19,764 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 154 transitions, 1531 flow [2021-06-11 09:56:19,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 210 places, 154 transitions, 1531 flow [2021-06-11 09:56:19,779 INFO L129 PetriNetUnfolder]: 75/196 cut-off events. [2021-06-11 09:56:19,779 INFO L130 PetriNetUnfolder]: For 5523/5545 co-relation queries the response was YES. [2021-06-11 09:56:19,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1288 conditions, 196 events. 75/196 cut-off events. For 5523/5545 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 998 event pairs, 0 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 1180. Up to 33 conditions per place. [2021-06-11 09:56:19,781 INFO L151 LiptonReduction]: Number of co-enabled transitions 80 [2021-06-11 09:56:19,785 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:19,785 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:19,785 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 22 [2021-06-11 09:56:19,785 INFO L480 AbstractCegarLoop]: Abstraction has has 210 places, 154 transitions, 1531 flow [2021-06-11 09:56:19,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 16 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:19,786 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:19,786 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:19,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable70 [2021-06-11 09:56:19,986 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:19,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:19,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1941358063, now seen corresponding path program 63 times [2021-06-11 09:56:19,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:19,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624003125] [2021-06-11 09:56:19,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:19,996 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:19,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,004 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:20,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:20,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:20,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:20,030 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:56:20,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:20,048 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:56:20,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:20,063 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:20,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:20,076 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:20,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624003125] [2021-06-11 09:56:20,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022091627] [2021-06-11 09:56:20,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:20,097 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-11 09:56:20,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:20,098 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:20,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:20,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,109 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size 19 [2021-06-11 09:56:20,110 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-11 09:56:20,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:20,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:20,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:20,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,126 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size 30 [2021-06-11 09:56:20,126 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-06-11 09:56:20,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:20,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:20,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:20,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,146 INFO L147 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size 24 [2021-06-11 09:56:20,147 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-06-11 09:56:20,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:20,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:20,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:20,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,168 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-06-11 09:56:20,168 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-06-11 09:56:20,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:20,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:20,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:20,192 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-06-11 09:56:20,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:20,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:20,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:20,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:20,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:20,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:20,225 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-06-11 09:56:20,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 09:56:20,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:20,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:20,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:20,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,260 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:20,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:20,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:20,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196224702] [2021-06-11 09:56:20,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:20,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:20,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:20,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:20,261 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:20,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 154 transitions, 1531 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:20,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:20,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:20,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:20,524 INFO L129 PetriNetUnfolder]: 80/212 cut-off events. [2021-06-11 09:56:20,524 INFO L130 PetriNetUnfolder]: For 8783/8783 co-relation queries the response was YES. [2021-06-11 09:56:20,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1764 conditions, 212 events. 80/212 cut-off events. For 8783/8783 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1065 event pairs, 1 based on Foata normal form. 1/211 useless extension candidates. Maximal degree in co-relation 1649. Up to 166 conditions per place. [2021-06-11 09:56:20,526 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 135 selfloop transitions, 21 changer transitions 1/161 dead transitions. [2021-06-11 09:56:20,526 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 161 transitions, 2169 flow [2021-06-11 09:56:20,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 09:56:20,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 09:56:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 150 transitions. [2021-06-11 09:56:20,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44642857142857145 [2021-06-11 09:56:20,527 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 150 transitions. [2021-06-11 09:56:20,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 150 transitions. [2021-06-11 09:56:20,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:20,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 150 transitions. [2021-06-11 09:56:20,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 12.5) internal successors, (150), 12 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:20,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:20,528 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:20,528 INFO L185 Difference]: Start difference. First operand has 210 places, 154 transitions, 1531 flow. Second operand 12 states and 150 transitions. [2021-06-11 09:56:20,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 161 transitions, 2169 flow [2021-06-11 09:56:20,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 161 transitions, 1998 flow, removed 78 selfloop flow, removed 6 redundant places. [2021-06-11 09:56:20,554 INFO L241 Difference]: Finished difference. Result has 218 places, 158 transitions, 1620 flow [2021-06-11 09:56:20,554 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1362, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1620, PETRI_PLACES=218, PETRI_TRANSITIONS=158} [2021-06-11 09:56:20,554 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 203 predicate places. [2021-06-11 09:56:20,555 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:20,555 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 158 transitions, 1620 flow [2021-06-11 09:56:20,555 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 158 transitions, 1620 flow [2021-06-11 09:56:20,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 158 transitions, 1620 flow [2021-06-11 09:56:20,571 INFO L129 PetriNetUnfolder]: 78/207 cut-off events. [2021-06-11 09:56:20,571 INFO L130 PetriNetUnfolder]: For 6501/6523 co-relation queries the response was YES. [2021-06-11 09:56:20,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1396 conditions, 207 events. 78/207 cut-off events. For 6501/6523 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1093 event pairs, 0 based on Foata normal form. 0/205 useless extension candidates. Maximal degree in co-relation 1283. Up to 33 conditions per place. [2021-06-11 09:56:20,573 INFO L151 LiptonReduction]: Number of co-enabled transitions 82 [2021-06-11 09:56:20,577 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:20,578 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:20,578 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-06-11 09:56:20,578 INFO L480 AbstractCegarLoop]: Abstraction has has 217 places, 158 transitions, 1620 flow [2021-06-11 09:56:20,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:20,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:20,578 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:20,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:20,779 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:20,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:20,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1942251793, now seen corresponding path program 64 times [2021-06-11 09:56:20,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:20,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632053523] [2021-06-11 09:56:20,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:20,786 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:20,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,793 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:20,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:20,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:20,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:20,816 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:56:20,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:20,829 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:56:20,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:20,841 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:20,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:20,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632053523] [2021-06-11 09:56:20,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947007728] [2021-06-11 09:56:20,851 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:20,867 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:56:20,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:20,867 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:20,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:20,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:20,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,876 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-06-11 09:56:20,877 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-06-11 09:56:20,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:20,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:20,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:20,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,889 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size 26 [2021-06-11 09:56:20,889 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-06-11 09:56:20,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:56:20,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:56:20,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:56:20,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,905 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size 28 [2021-06-11 09:56:20,905 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size [2021-06-11 09:56:20,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,922 INFO L147 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size 27 [2021-06-11 09:56:20,923 INFO L142 QuantifierPusher]: treesize reduction 8, result has 77.1 percent of original size [2021-06-11 09:56:20,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:20,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:20,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:20,941 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-06-11 09:56:20,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:20,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:20,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:20,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:20,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:20,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:20,969 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:56:20,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:20,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,970 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:20,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:20,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:20,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:20,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:20,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:21,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:21,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:21,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:21,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:21,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:21,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:21,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:21,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:21,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:21,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847306608] [2021-06-11 09:56:21,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:21,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:21,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:21,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:21,006 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:21,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 158 transitions, 1620 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:21,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:21,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:21,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:21,266 INFO L129 PetriNetUnfolder]: 80/209 cut-off events. [2021-06-11 09:56:21,267 INFO L130 PetriNetUnfolder]: For 7545/7545 co-relation queries the response was YES. [2021-06-11 09:56:21,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1659 conditions, 209 events. 80/209 cut-off events. For 7545/7545 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1058 event pairs, 1 based on Foata normal form. 1/208 useless extension candidates. Maximal degree in co-relation 1544. Up to 166 conditions per place. [2021-06-11 09:56:21,269 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 132 selfloop transitions, 24 changer transitions 1/161 dead transitions. [2021-06-11 09:56:21,269 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 161 transitions, 2095 flow [2021-06-11 09:56:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-11 09:56:21,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-06-11 09:56:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 171 transitions. [2021-06-11 09:56:21,270 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4362244897959184 [2021-06-11 09:56:21,270 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 171 transitions. [2021-06-11 09:56:21,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 171 transitions. [2021-06-11 09:56:21,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:21,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 171 transitions. [2021-06-11 09:56:21,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 12.214285714285714) internal successors, (171), 14 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:21,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 28.0) internal successors, (420), 15 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:21,271 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 28.0) internal successors, (420), 15 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:21,271 INFO L185 Difference]: Start difference. First operand has 217 places, 158 transitions, 1620 flow. Second operand 14 states and 171 transitions. [2021-06-11 09:56:21,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 161 transitions, 2095 flow [2021-06-11 09:56:21,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 161 transitions, 1817 flow, removed 123 selfloop flow, removed 9 redundant places. [2021-06-11 09:56:21,298 INFO L241 Difference]: Finished difference. Result has 224 places, 160 transitions, 1558 flow [2021-06-11 09:56:21,298 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1424, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1558, PETRI_PLACES=224, PETRI_TRANSITIONS=160} [2021-06-11 09:56:21,298 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 209 predicate places. [2021-06-11 09:56:21,298 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:21,298 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 224 places, 160 transitions, 1558 flow [2021-06-11 09:56:21,298 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 224 places, 160 transitions, 1558 flow [2021-06-11 09:56:21,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 160 transitions, 1558 flow [2021-06-11 09:56:21,314 INFO L129 PetriNetUnfolder]: 78/203 cut-off events. [2021-06-11 09:56:21,314 INFO L130 PetriNetUnfolder]: For 5067/5093 co-relation queries the response was YES. [2021-06-11 09:56:21,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1285 conditions, 203 events. 78/203 cut-off events. For 5067/5093 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1071 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 1172. Up to 28 conditions per place. [2021-06-11 09:56:21,316 INFO L151 LiptonReduction]: Number of co-enabled transitions 82 [2021-06-11 09:56:21,321 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:21,321 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:21,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-06-11 09:56:21,322 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 160 transitions, 1558 flow [2021-06-11 09:56:21,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:21,322 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:21,322 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:21,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,73 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:21,524 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:21,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:21,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1910852079, now seen corresponding path program 65 times [2021-06-11 09:56:21,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:21,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285940358] [2021-06-11 09:56:21,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:21,532 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:56:21,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:21,538 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:21,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:21,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:21,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:21,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:21,572 INFO L142 QuantifierPusher]: treesize reduction 10, result has 67.7 percent of original size [2021-06-11 09:56:21,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:21,586 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-11 09:56:21,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:21,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:21,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285940358] [2021-06-11 09:56:21,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060926251] [2021-06-11 09:56:21,597 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-06-11 09:56:21,622 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:56:21,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:21,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:56:21,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 74 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:21,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:21,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:21,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:21,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:21,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:21,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:21,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:21,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:21,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:21,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:21,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:21,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:21,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,634 INFO L147 QuantifierPusher]: treesize reduction -1, result has 106.7 percent of original size 16 [2021-06-11 09:56:21,634 INFO L142 QuantifierPusher]: treesize reduction -1, result has 106.7 percent of original size [2021-06-11 09:56:21,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:21,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:21,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:21,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,649 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-06-11 09:56:21,649 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-11 09:56:21,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:21,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:21,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:21,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,669 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size 37 [2021-06-11 09:56:21,670 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-06-11 09:56:21,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:21,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:21,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:21,690 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-06-11 09:56:21,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 09:56:21,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:21,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:21,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:21,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:21,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:21,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,715 INFO L147 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size 46 [2021-06-11 09:56:21,715 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-06-11 09:56:21,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:21,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:21,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:21,745 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:56:21,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:56:21,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:21,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:56:21,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:21,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,750 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:56:21,751 INFO L142 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size [2021-06-11 09:56:21,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-06-11 09:56:21,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:21,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:21,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:21,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:21,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:21,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:21,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:21,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:21,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:21,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:21,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:21,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792471883] [2021-06-11 09:56:21,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:21,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:21,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:21,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:21,801 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:21,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 160 transitions, 1558 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:21,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:21,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:21,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:21,940 INFO L129 PetriNetUnfolder]: 80/205 cut-off events. [2021-06-11 09:56:21,940 INFO L130 PetriNetUnfolder]: For 6277/6277 co-relation queries the response was YES. [2021-06-11 09:56:21,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1548 conditions, 205 events. 80/205 cut-off events. For 6277/6277 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1019 event pairs, 1 based on Foata normal form. 1/204 useless extension candidates. Maximal degree in co-relation 1434. Up to 170 conditions per place. [2021-06-11 09:56:21,942 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 145 selfloop transitions, 12 changer transitions 1/162 dead transitions. [2021-06-11 09:56:21,942 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 162 transitions, 1887 flow [2021-06-11 09:56:21,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:21,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 109 transitions. [2021-06-11 09:56:21,943 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43253968253968256 [2021-06-11 09:56:21,943 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 109 transitions. [2021-06-11 09:56:21,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 109 transitions. [2021-06-11 09:56:21,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:21,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 109 transitions. [2021-06-11 09:56:21,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.11111111111111) internal successors, (109), 9 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:21,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:21,944 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:21,944 INFO L185 Difference]: Start difference. First operand has 223 places, 160 transitions, 1558 flow. Second operand 9 states and 109 transitions. [2021-06-11 09:56:21,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 162 transitions, 1887 flow [2021-06-11 09:56:21,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 162 transitions, 1738 flow, removed 54 selfloop flow, removed 11 redundant places. [2021-06-11 09:56:21,969 INFO L241 Difference]: Finished difference. Result has 222 places, 161 transitions, 1446 flow [2021-06-11 09:56:21,970 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1409, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1446, PETRI_PLACES=222, PETRI_TRANSITIONS=161} [2021-06-11 09:56:21,970 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 207 predicate places. [2021-06-11 09:56:21,970 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:21,970 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 161 transitions, 1446 flow [2021-06-11 09:56:21,970 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 161 transitions, 1446 flow [2021-06-11 09:56:21,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 161 transitions, 1446 flow [2021-06-11 09:56:21,988 INFO L129 PetriNetUnfolder]: 78/199 cut-off events. [2021-06-11 09:56:21,988 INFO L130 PetriNetUnfolder]: For 4476/4498 co-relation queries the response was YES. [2021-06-11 09:56:21,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1215 conditions, 199 events. 78/199 cut-off events. For 4476/4498 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1031 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 1103. Up to 27 conditions per place. [2021-06-11 09:56:21,990 INFO L151 LiptonReduction]: Number of co-enabled transitions 82 [2021-06-11 09:56:21,994 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:21,994 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:21,994 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-06-11 09:56:21,995 INFO L480 AbstractCegarLoop]: Abstraction has has 221 places, 161 transitions, 1446 flow [2021-06-11 09:56:21,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:21,995 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:21,995 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:22,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,74 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:22,195 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:22,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:22,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1722279535, now seen corresponding path program 66 times [2021-06-11 09:56:22,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:22,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386956016] [2021-06-11 09:56:22,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:22,206 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-06-11 09:56:22,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:22,211 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-06-11 09:56:22,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:22,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:22,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:22,233 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:56:22,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:22,247 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-06-11 09:56:22,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:22,258 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:22,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:22,268 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:22,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386956016] [2021-06-11 09:56:22,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305801826] [2021-06-11 09:56:22,269 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:22,285 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-11 09:56:22,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:22,285 WARN L261 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-11 09:56:22,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:22,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:22,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:22,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:22,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:22,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:22,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:22,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:22,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:22,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:22,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:22,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:22,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:22,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,310 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-06-11 09:56:22,310 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-11 09:56:22,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:22,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:22,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:22,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:22,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:22,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:22,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:22,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,344 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-06-11 09:56:22,344 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-06-11 09:56:22,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:22,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:22,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:22,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,361 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-06-11 09:56:22,362 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-06-11 09:56:22,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:22,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:22,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:22,381 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:56:22,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:22,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:22,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:22,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:56:22,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:22,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:22,407 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-06-11 09:56:22,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:56:22,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,408 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:22,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:22,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:22,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:22,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:22,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:22,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:22,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:22,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:22,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:22,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:22,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:22,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:22,436 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:22,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:22,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-06-11 09:56:22,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304472592] [2021-06-11 09:56:22,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-11 09:56:22,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:22,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-11 09:56:22,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-06-11 09:56:22,436 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:22,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 161 transitions, 1446 flow. Second operand has 16 states, 16 states have (on average 11.0) internal successors, (176), 16 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:22,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:22,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:22,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:22,681 INFO L129 PetriNetUnfolder]: 80/201 cut-off events. [2021-06-11 09:56:22,681 INFO L130 PetriNetUnfolder]: For 5536/5536 co-relation queries the response was YES. [2021-06-11 09:56:22,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1474 conditions, 201 events. 80/201 cut-off events. For 5536/5536 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1005 event pairs, 1 based on Foata normal form. 1/199 useless extension candidates. Maximal degree in co-relation 1362. Up to 166 conditions per place. [2021-06-11 09:56:22,683 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 144 selfloop transitions, 15 changer transitions 1/164 dead transitions. [2021-06-11 09:56:22,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 164 transitions, 1845 flow [2021-06-11 09:56:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:22,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 112 transitions. [2021-06-11 09:56:22,684 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2021-06-11 09:56:22,684 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 112 transitions. [2021-06-11 09:56:22,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 112 transitions. [2021-06-11 09:56:22,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:22,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 112 transitions. [2021-06-11 09:56:22,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:22,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:22,685 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:22,685 INFO L185 Difference]: Start difference. First operand has 221 places, 161 transitions, 1446 flow. Second operand 9 states and 112 transitions. [2021-06-11 09:56:22,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 164 transitions, 1845 flow [2021-06-11 09:56:22,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 164 transitions, 1819 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-06-11 09:56:22,708 INFO L241 Difference]: Finished difference. Result has 225 places, 163 transitions, 1536 flow [2021-06-11 09:56:22,708 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1420, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1536, PETRI_PLACES=225, PETRI_TRANSITIONS=163} [2021-06-11 09:56:22,708 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 210 predicate places. [2021-06-11 09:56:22,708 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:22,708 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 225 places, 163 transitions, 1536 flow [2021-06-11 09:56:22,708 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 225 places, 163 transitions, 1536 flow [2021-06-11 09:56:22,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 224 places, 163 transitions, 1536 flow [2021-06-11 09:56:22,727 INFO L129 PetriNetUnfolder]: 78/195 cut-off events. [2021-06-11 09:56:22,728 INFO L130 PetriNetUnfolder]: For 4512/4538 co-relation queries the response was YES. [2021-06-11 09:56:22,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1222 conditions, 195 events. 78/195 cut-off events. For 4512/4538 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1003 event pairs, 0 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 1110. Up to 27 conditions per place. [2021-06-11 09:56:22,731 INFO L151 LiptonReduction]: Number of co-enabled transitions 82 [2021-06-11 09:56:22,738 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:22,738 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:22,738 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-06-11 09:56:22,738 INFO L480 AbstractCegarLoop]: Abstraction has has 224 places, 163 transitions, 1536 flow [2021-06-11 09:56:22,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 16 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:22,738 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:22,738 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:22,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-06-11 09:56:22,956 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:22,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:22,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1608656661, now seen corresponding path program 67 times [2021-06-11 09:56:22,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:22,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861042258] [2021-06-11 09:56:22,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:22,963 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:56:22,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:22,969 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:22,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:22,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:22,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:22,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:22,992 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:56:22,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:23,006 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:23,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:23,018 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:23,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:23,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:23,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861042258] [2021-06-11 09:56:23,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119046918] [2021-06-11 09:56:23,028 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:23,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:56:23,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:23,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,053 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-06-11 09:56:23,053 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-06-11 09:56:23,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:23,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:23,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:23,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,065 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-06-11 09:56:23,066 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-06-11 09:56:23,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:23,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:23,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:23,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,081 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size 31 [2021-06-11 09:56:23,081 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.9 percent of original size [2021-06-11 09:56:23,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:23,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:23,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:23,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,103 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:56:23,103 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:56:23,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:23,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:23,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:23,128 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:56:23,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 09:56:23,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:23,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:23,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-06-11 09:56:23,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:23,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:23,160 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-06-11 09:56:23,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-06-11 09:56:23,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:23,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:56:23,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:23,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,165 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:56:23,166 INFO L142 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size [2021-06-11 09:56:23,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-06-11 09:56:23,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:23,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:23,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:23,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:23,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:23,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:23,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:23,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:23,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:23,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:23,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116390829] [2021-06-11 09:56:23,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:23,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:23,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:23,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:23,215 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:23,215 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 163 transitions, 1536 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:23,215 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:23,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:23,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:23,478 INFO L129 PetriNetUnfolder]: 83/211 cut-off events. [2021-06-11 09:56:23,478 INFO L130 PetriNetUnfolder]: For 8189/8189 co-relation queries the response was YES. [2021-06-11 09:56:23,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1713 conditions, 211 events. 83/211 cut-off events. For 8189/8189 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1081 event pairs, 1 based on Foata normal form. 1/209 useless extension candidates. Maximal degree in co-relation 1596. Up to 171 conditions per place. [2021-06-11 09:56:23,481 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 150 selfloop transitions, 15 changer transitions 1/170 dead transitions. [2021-06-11 09:56:23,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 170 transitions, 2204 flow [2021-06-11 09:56:23,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:23,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:23,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2021-06-11 09:56:23,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44841269841269843 [2021-06-11 09:56:23,482 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 113 transitions. [2021-06-11 09:56:23,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 113 transitions. [2021-06-11 09:56:23,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:23,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 113 transitions. [2021-06-11 09:56:23,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.555555555555555) internal successors, (113), 9 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:23,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:23,483 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:23,483 INFO L185 Difference]: Start difference. First operand has 224 places, 163 transitions, 1536 flow. Second operand 9 states and 113 transitions. [2021-06-11 09:56:23,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 170 transitions, 2204 flow [2021-06-11 09:56:23,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 170 transitions, 2067 flow, removed 57 selfloop flow, removed 6 redundant places. [2021-06-11 09:56:23,522 INFO L241 Difference]: Finished difference. Result has 229 places, 167 transitions, 1657 flow [2021-06-11 09:56:23,522 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1405, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1657, PETRI_PLACES=229, PETRI_TRANSITIONS=167} [2021-06-11 09:56:23,522 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 214 predicate places. [2021-06-11 09:56:23,523 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:23,523 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 229 places, 167 transitions, 1657 flow [2021-06-11 09:56:23,523 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 229 places, 167 transitions, 1657 flow [2021-06-11 09:56:23,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 228 places, 167 transitions, 1657 flow [2021-06-11 09:56:23,539 INFO L129 PetriNetUnfolder]: 81/206 cut-off events. [2021-06-11 09:56:23,539 INFO L130 PetriNetUnfolder]: For 6041/6070 co-relation queries the response was YES. [2021-06-11 09:56:23,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1380 conditions, 206 events. 81/206 cut-off events. For 6041/6070 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1090 event pairs, 1 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 1264. Up to 33 conditions per place. [2021-06-11 09:56:23,541 INFO L151 LiptonReduction]: Number of co-enabled transitions 84 [2021-06-11 09:56:23,549 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:23,549 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:23,549 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-06-11 09:56:23,549 INFO L480 AbstractCegarLoop]: Abstraction has has 228 places, 167 transitions, 1657 flow [2021-06-11 09:56:23,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:23,549 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:23,549 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:23,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,76 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:23,752 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:23,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:23,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1607762931, now seen corresponding path program 68 times [2021-06-11 09:56:23,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:23,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245765173] [2021-06-11 09:56:23,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:23,762 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-06-11 09:56:23,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,768 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-06-11 09:56:23,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:23,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:23,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:23,793 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:56:23,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:23,808 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:56:23,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:23,822 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:23,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:23,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:23,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245765173] [2021-06-11 09:56:23,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046975272] [2021-06-11 09:56:23,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:23,857 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:56:23,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:23,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-11 09:56:23,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:23,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 09:56:23,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,866 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-06-11 09:56:23,866 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-06-11 09:56:23,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:23,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:23,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:23,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,878 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-06-11 09:56:23,879 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-06-11 09:56:23,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:23,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:23,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:23,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,892 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size 25 [2021-06-11 09:56:23,892 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-06-11 09:56:23,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:23,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:23,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:23,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,908 INFO L147 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-06-11 09:56:23,908 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size [2021-06-11 09:56:23,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:23,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:23,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 09:56:23,927 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-06-11 09:56:23,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 09:56:23,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:23,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:23,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-06-11 09:56:23,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 09:56:23,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-06-11 09:56:23,953 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.8 percent of original size [2021-06-11 09:56:23,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:23,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:23,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 09:56:23,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-06-11 09:56:23,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,958 INFO L147 QuantifierPusher]: treesize reduction -4, result has 103.5 percent of original size 119 [2021-06-11 09:56:23,958 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.5 percent of original size [2021-06-11 09:56:23,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-06-11 09:56:23,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:23,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:23,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:23,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:23,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:23,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:23,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:23,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:23,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:23,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:23,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:23,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-11 09:56:23,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892136448] [2021-06-11 09:56:23,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-11 09:56:23,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:23,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-11 09:56:23,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-11 09:56:23,998 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:23,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 167 transitions, 1657 flow. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:23,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:23,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:23,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:24,189 INFO L129 PetriNetUnfolder]: 82/207 cut-off events. [2021-06-11 09:56:24,189 INFO L130 PetriNetUnfolder]: For 7417/7419 co-relation queries the response was YES. [2021-06-11 09:56:24,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1647 conditions, 207 events. 82/207 cut-off events. For 7417/7419 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1055 event pairs, 0 based on Foata normal form. 3/206 useless extension candidates. Maximal degree in co-relation 1531. Up to 171 conditions per place. [2021-06-11 09:56:24,192 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 149 selfloop transitions, 16 changer transitions 1/170 dead transitions. [2021-06-11 09:56:24,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 170 transitions, 2156 flow [2021-06-11 09:56:24,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 09:56:24,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 09:56:24,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 112 transitions. [2021-06-11 09:56:24,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2021-06-11 09:56:24,193 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 112 transitions. [2021-06-11 09:56:24,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 112 transitions. [2021-06-11 09:56:24,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:24,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 112 transitions. [2021-06-11 09:56:24,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:24,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:24,194 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 28.0) internal successors, (280), 10 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:24,194 INFO L185 Difference]: Start difference. First operand has 228 places, 167 transitions, 1657 flow. Second operand 9 states and 112 transitions. [2021-06-11 09:56:24,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 170 transitions, 2156 flow [2021-06-11 09:56:24,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 170 transitions, 1895 flow, removed 124 selfloop flow, removed 5 redundant places. [2021-06-11 09:56:24,220 INFO L241 Difference]: Finished difference. Result has 234 places, 169 transitions, 1604 flow [2021-06-11 09:56:24,220 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1480, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1604, PETRI_PLACES=234, PETRI_TRANSITIONS=169} [2021-06-11 09:56:24,220 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 219 predicate places. [2021-06-11 09:56:24,221 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:24,221 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 169 transitions, 1604 flow [2021-06-11 09:56:24,221 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 169 transitions, 1604 flow [2021-06-11 09:56:24,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 169 transitions, 1604 flow [2021-06-11 09:56:24,237 INFO L129 PetriNetUnfolder]: 81/202 cut-off events. [2021-06-11 09:56:24,237 INFO L130 PetriNetUnfolder]: For 4682/4711 co-relation queries the response was YES. [2021-06-11 09:56:24,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1275 conditions, 202 events. 81/202 cut-off events. For 4682/4711 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1050 event pairs, 1 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 1158. Up to 27 conditions per place. [2021-06-11 09:56:24,239 INFO L151 LiptonReduction]: Number of co-enabled transitions 84 [2021-06-11 09:56:24,244 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:24,244 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:24,244 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-06-11 09:56:24,245 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 169 transitions, 1604 flow [2021-06-11 09:56:24,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:24,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:24,245 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:24,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,77 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:24,466 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:24,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:24,467 INFO L82 PathProgramCache]: Analyzing trace with hash 2090982289, now seen corresponding path program 69 times [2021-06-11 09:56:24,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:24,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017766745] [2021-06-11 09:56:24,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:24,475 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:24,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:24,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:24,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:24,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:24,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:24,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:24,522 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:24,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:24,535 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:24,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:24,546 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:24,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017766745] [2021-06-11 09:56:24,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48968616] [2021-06-11 09:56:24,546 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:24,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-11 09:56:24,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:24,563 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-11 09:56:24,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:24,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:24,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:24,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:24,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:24,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:24,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:24,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:24,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:24,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,576 INFO L147 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size 21 [2021-06-11 09:56:24,576 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:24,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:24,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:24,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:24,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,592 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-06-11 09:56:24,592 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size [2021-06-11 09:56:24,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:24,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:24,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:24,609 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-06-11 09:56:24,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:24,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:24,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:24,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:24,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:24,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:24,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:24,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:24,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:24,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:24,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,631 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-06-11 09:56:24,631 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-11 09:56:24,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:24,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:24,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:24,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,650 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-06-11 09:56:24,650 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-11 09:56:24,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:24,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:24,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:24,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:24,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:24,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:24,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:24,695 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 09:56:24,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:56:24,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:24,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:24,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:24,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:24,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:24,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:24,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:24,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:24,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:24,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:24,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:24,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:24,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:24,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:24,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:24,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-11 09:56:24,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981718810] [2021-06-11 09:56:24,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-11 09:56:24,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:24,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-11 09:56:24,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-06-11 09:56:24,732 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:24,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 169 transitions, 1604 flow. Second operand has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:24,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:24,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:24,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:25,065 INFO L129 PetriNetUnfolder]: 83/211 cut-off events. [2021-06-11 09:56:25,065 INFO L130 PetriNetUnfolder]: For 7096/7096 co-relation queries the response was YES. [2021-06-11 09:56:25,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1674 conditions, 211 events. 83/211 cut-off events. For 7096/7096 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1085 event pairs, 1 based on Foata normal form. 2/209 useless extension candidates. Maximal degree in co-relation 1555. Up to 173 conditions per place. [2021-06-11 09:56:25,067 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 154 selfloop transitions, 7 changer transitions 8/173 dead transitions. [2021-06-11 09:56:25,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 173 transitions, 2186 flow [2021-06-11 09:56:25,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-11 09:56:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-06-11 09:56:25,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 142 transitions. [2021-06-11 09:56:25,068 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4226190476190476 [2021-06-11 09:56:25,069 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 142 transitions. [2021-06-11 09:56:25,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 142 transitions. [2021-06-11 09:56:25,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:25,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 142 transitions. [2021-06-11 09:56:25,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 11.833333333333334) internal successors, (142), 12 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:25,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:25,070 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 28.0) internal successors, (364), 13 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:25,070 INFO L185 Difference]: Start difference. First operand has 233 places, 169 transitions, 1604 flow. Second operand 12 states and 142 transitions. [2021-06-11 09:56:25,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 173 transitions, 2186 flow [2021-06-11 09:56:25,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 173 transitions, 2051 flow, removed 56 selfloop flow, removed 6 redundant places. [2021-06-11 09:56:25,113 INFO L241 Difference]: Finished difference. Result has 242 places, 165 transitions, 1461 flow [2021-06-11 09:56:25,113 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1473, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1461, PETRI_PLACES=242, PETRI_TRANSITIONS=165} [2021-06-11 09:56:25,113 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 227 predicate places. [2021-06-11 09:56:25,114 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:25,114 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 242 places, 165 transitions, 1461 flow [2021-06-11 09:56:25,114 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 242 places, 165 transitions, 1461 flow [2021-06-11 09:56:25,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 232 places, 165 transitions, 1461 flow [2021-06-11 09:56:25,136 INFO L129 PetriNetUnfolder]: 80/197 cut-off events. [2021-06-11 09:56:25,136 INFO L130 PetriNetUnfolder]: For 4269/4298 co-relation queries the response was YES. [2021-06-11 09:56:25,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 197 events. 80/197 cut-off events. For 4269/4298 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 1020 event pairs, 1 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 1086. Up to 27 conditions per place. [2021-06-11 09:56:25,139 INFO L151 LiptonReduction]: Number of co-enabled transitions 76 [2021-06-11 09:56:25,147 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:25,147 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:25,147 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-06-11 09:56:25,147 INFO L480 AbstractCegarLoop]: Abstraction has has 232 places, 165 transitions, 1461 flow [2021-06-11 09:56:25,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:25,147 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:25,147 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:25,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-06-11 09:56:25,369 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:25,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:25,370 INFO L82 PathProgramCache]: Analyzing trace with hash -2077314739, now seen corresponding path program 70 times [2021-06-11 09:56:25,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:25,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326928097] [2021-06-11 09:56:25,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:25,378 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:25,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:25,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:25,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:25,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:25,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:25,425 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:56:25,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:25,446 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:56:25,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:25,464 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:25,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:25,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326928097] [2021-06-11 09:56:25,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204026450] [2021-06-11 09:56:25,480 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:25,501 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:56:25,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:25,502 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-11 09:56:25,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:25,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:25,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:25,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:25,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:25,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:25,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:25,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:25,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:25,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,510 INFO L147 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size 21 [2021-06-11 09:56:25,510 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:25,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:25,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:25,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:25,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:25,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:25,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:25,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:25,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:25,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:25,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:25,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:25,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,549 INFO L147 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size 25 [2021-06-11 09:56:25,550 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-06-11 09:56:25,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:25,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:25,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:25,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,570 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size 30 [2021-06-11 09:56:25,570 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size [2021-06-11 09:56:25,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:25,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:25,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:25,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,597 INFO L147 QuantifierPusher]: treesize reduction 11, result has 67.6 percent of original size 23 [2021-06-11 09:56:25,597 INFO L142 QuantifierPusher]: treesize reduction 11, result has 67.6 percent of original size [2021-06-11 09:56:25,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:25,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:25,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:25,624 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-06-11 09:56:25,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:56:25,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:25,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:25,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:25,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:25,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:25,657 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-06-11 09:56:25,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:25,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:25,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:25,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:25,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:25,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:25,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:25,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:25,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:25,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:25,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:25,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:25,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:25,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:25,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:25,700 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:25,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:25,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-11 09:56:25,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182177848] [2021-06-11 09:56:25,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-11 09:56:25,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:25,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-11 09:56:25,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-06-11 09:56:25,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:25,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 165 transitions, 1461 flow. Second operand has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:25,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:25,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:25,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:25,955 INFO L129 PetriNetUnfolder]: 85/213 cut-off events. [2021-06-11 09:56:25,955 INFO L130 PetriNetUnfolder]: For 8583/8585 co-relation queries the response was YES. [2021-06-11 09:56:25,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1718 conditions, 213 events. 85/213 cut-off events. For 8583/8585 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1071 event pairs, 1 based on Foata normal form. 3/212 useless extension candidates. Maximal degree in co-relation 1591. Up to 163 conditions per place. [2021-06-11 09:56:25,958 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 139 selfloop transitions, 28 changer transitions 1/172 dead transitions. [2021-06-11 09:56:25,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 172 transitions, 2155 flow [2021-06-11 09:56:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 09:56:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 09:56:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 165 transitions. [2021-06-11 09:56:25,959 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4532967032967033 [2021-06-11 09:56:25,959 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 165 transitions. [2021-06-11 09:56:25,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 165 transitions. [2021-06-11 09:56:25,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:25,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 165 transitions. [2021-06-11 09:56:25,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 13 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:25,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:25,960 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:25,960 INFO L185 Difference]: Start difference. First operand has 232 places, 165 transitions, 1461 flow. Second operand 13 states and 165 transitions. [2021-06-11 09:56:25,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 172 transitions, 2155 flow [2021-06-11 09:56:25,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 172 transitions, 2105 flow, removed 18 selfloop flow, removed 9 redundant places. [2021-06-11 09:56:25,994 INFO L241 Difference]: Finished difference. Result has 238 places, 169 transitions, 1712 flow [2021-06-11 09:56:25,994 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1427, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1712, PETRI_PLACES=238, PETRI_TRANSITIONS=169} [2021-06-11 09:56:25,994 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 223 predicate places. [2021-06-11 09:56:25,994 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:25,994 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 238 places, 169 transitions, 1712 flow [2021-06-11 09:56:25,995 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 238 places, 169 transitions, 1712 flow [2021-06-11 09:56:25,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 237 places, 169 transitions, 1712 flow [2021-06-11 09:56:26,019 INFO L129 PetriNetUnfolder]: 83/208 cut-off events. [2021-06-11 09:56:26,019 INFO L130 PetriNetUnfolder]: For 6600/6622 co-relation queries the response was YES. [2021-06-11 09:56:26,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1425 conditions, 208 events. 83/208 cut-off events. For 6600/6622 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1054 event pairs, 1 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 1305. Up to 33 conditions per place. [2021-06-11 09:56:26,022 INFO L151 LiptonReduction]: Number of co-enabled transitions 78 [2021-06-11 09:56:26,030 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:26,030 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:26,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-06-11 09:56:26,031 INFO L480 AbstractCegarLoop]: Abstraction has has 237 places, 169 transitions, 1712 flow [2021-06-11 09:56:26,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:26,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:26,031 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:26,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-06-11 09:56:26,245 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:26,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:26,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1407649481, now seen corresponding path program 71 times [2021-06-11 09:56:26,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:26,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553547393] [2021-06-11 09:56:26,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:26,252 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:26,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:26,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:26,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:26,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:26,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:26,291 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-06-11 09:56:26,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:26,305 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:56:26,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:26,318 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:26,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:26,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553547393] [2021-06-11 09:56:26,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500174661] [2021-06-11 09:56:26,329 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:26,348 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-11 09:56:26,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:26,349 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-11 09:56:26,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:26,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:26,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:26,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:26,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:26,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:26,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:26,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:26,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:26,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:26,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:26,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:26,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:26,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,374 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-11 09:56:26,375 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-11 09:56:26,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:26,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:26,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:26,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,393 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-06-11 09:56:26,393 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-06-11 09:56:26,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:26,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:26,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:26,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:26,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:26,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:26,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:26,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 09:56:26,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 09:56:26,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 09:56:26,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 09:56:26,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,441 INFO L147 QuantifierPusher]: treesize reduction 8, result has 72.4 percent of original size 21 [2021-06-11 09:56:26,442 INFO L142 QuantifierPusher]: treesize reduction 8, result has 72.4 percent of original size [2021-06-11 09:56:26,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:26,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:26,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:26,461 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-06-11 09:56:26,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:26,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:26,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:26,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:26,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:26,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:26,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:26,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:26,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:26,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:26,484 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:56:26,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:26,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:26,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:26,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:26,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:26,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:26,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:26,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:26,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:26,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:26,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:26,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:26,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-11 09:56:26,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123125433] [2021-06-11 09:56:26,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-11 09:56:26,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:26,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-11 09:56:26,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-06-11 09:56:26,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:26,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 169 transitions, 1712 flow. Second operand has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:26,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:26,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:26,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:26,734 INFO L129 PetriNetUnfolder]: 87/223 cut-off events. [2021-06-11 09:56:26,734 INFO L130 PetriNetUnfolder]: For 10831/10831 co-relation queries the response was YES. [2021-06-11 09:56:26,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1943 conditions, 223 events. 87/223 cut-off events. For 10831/10831 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1144 event pairs, 0 based on Foata normal form. 1/220 useless extension candidates. Maximal degree in co-relation 1817. Up to 165 conditions per place. [2021-06-11 09:56:26,737 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 132 selfloop transitions, 39 changer transitions 1/176 dead transitions. [2021-06-11 09:56:26,737 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 176 transitions, 2412 flow [2021-06-11 09:56:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 09:56:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 09:56:26,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 166 transitions. [2021-06-11 09:56:26,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45604395604395603 [2021-06-11 09:56:26,738 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 166 transitions. [2021-06-11 09:56:26,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 166 transitions. [2021-06-11 09:56:26,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:26,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 166 transitions. [2021-06-11 09:56:26,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 13 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:26,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:26,739 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:26,739 INFO L185 Difference]: Start difference. First operand has 237 places, 169 transitions, 1712 flow. Second operand 13 states and 166 transitions. [2021-06-11 09:56:26,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 176 transitions, 2412 flow [2021-06-11 09:56:26,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 176 transitions, 2155 flow, removed 102 selfloop flow, removed 12 redundant places. [2021-06-11 09:56:26,773 INFO L241 Difference]: Finished difference. Result has 240 places, 173 transitions, 1776 flow [2021-06-11 09:56:26,773 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1473, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1776, PETRI_PLACES=240, PETRI_TRANSITIONS=173} [2021-06-11 09:56:26,773 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 225 predicate places. [2021-06-11 09:56:26,773 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:26,773 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 173 transitions, 1776 flow [2021-06-11 09:56:26,773 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 173 transitions, 1776 flow [2021-06-11 09:56:26,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 173 transitions, 1776 flow [2021-06-11 09:56:26,797 INFO L129 PetriNetUnfolder]: 86/219 cut-off events. [2021-06-11 09:56:26,797 INFO L130 PetriNetUnfolder]: For 7077/7097 co-relation queries the response was YES. [2021-06-11 09:56:26,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1503 conditions, 219 events. 86/219 cut-off events. For 7077/7097 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1125 event pairs, 1 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 1381. Up to 33 conditions per place. [2021-06-11 09:56:26,799 INFO L151 LiptonReduction]: Number of co-enabled transitions 80 [2021-06-11 09:56:26,804 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:26,804 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:26,805 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-06-11 09:56:26,805 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 173 transitions, 1776 flow [2021-06-11 09:56:26,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:26,805 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:26,805 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:27,005 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,80 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:27,006 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:27,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:27,006 INFO L82 PathProgramCache]: Analyzing trace with hash -418671023, now seen corresponding path program 72 times [2021-06-11 09:56:27,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:27,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135278440] [2021-06-11 09:56:27,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:27,021 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:27,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:27,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:27,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:27,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:27,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:27,085 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:27,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:27,102 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:27,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:27,116 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:27,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135278440] [2021-06-11 09:56:27,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934018245] [2021-06-11 09:56:27,117 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:27,138 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-11 09:56:27,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:27,139 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-11 09:56:27,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:27,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,185 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-06-11 09:56:27,185 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-11 09:56:27,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:27,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:27,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:27,206 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-06-11 09:56:27,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:27,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:27,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 09:56:27,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:27,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:27,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:27,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,231 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-06-11 09:56:27,232 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-06-11 09:56:27,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:27,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:27,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:27,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:27,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:27,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:27,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:27,290 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 09:56:27,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:56:27,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:27,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:27,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:27,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:27,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:27,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:27,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:27,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:27,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:27,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:27,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:27,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:27,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:27,332 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:27,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:27,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-11 09:56:27,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207532067] [2021-06-11 09:56:27,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-11 09:56:27,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:27,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-11 09:56:27,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2021-06-11 09:56:27,333 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:27,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 173 transitions, 1776 flow. Second operand has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:27,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:27,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:27,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:27,668 INFO L129 PetriNetUnfolder]: 88/228 cut-off events. [2021-06-11 09:56:27,668 INFO L130 PetriNetUnfolder]: For 9567/9567 co-relation queries the response was YES. [2021-06-11 09:56:27,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1914 conditions, 228 events. 88/228 cut-off events. For 9567/9567 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1164 event pairs, 1 based on Foata normal form. 2/226 useless extension candidates. Maximal degree in co-relation 1788. Up to 184 conditions per place. [2021-06-11 09:56:27,671 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 155 selfloop transitions, 11 changer transitions 7/177 dead transitions. [2021-06-11 09:56:27,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 177 transitions, 2362 flow [2021-06-11 09:56:27,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 09:56:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 09:56:27,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 155 transitions. [2021-06-11 09:56:27,672 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4258241758241758 [2021-06-11 09:56:27,672 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 155 transitions. [2021-06-11 09:56:27,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 155 transitions. [2021-06-11 09:56:27,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:27,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 155 transitions. [2021-06-11 09:56:27,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 11.923076923076923) internal successors, (155), 13 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:27,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:27,673 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:27,673 INFO L185 Difference]: Start difference. First operand has 239 places, 173 transitions, 1776 flow. Second operand 13 states and 155 transitions. [2021-06-11 09:56:27,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 177 transitions, 2362 flow [2021-06-11 09:56:27,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 177 transitions, 2103 flow, removed 92 selfloop flow, removed 11 redundant places. [2021-06-11 09:56:27,717 INFO L241 Difference]: Finished difference. Result has 244 places, 170 transitions, 1536 flow [2021-06-11 09:56:27,717 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1525, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1536, PETRI_PLACES=244, PETRI_TRANSITIONS=170} [2021-06-11 09:56:27,717 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 229 predicate places. [2021-06-11 09:56:27,717 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:27,717 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 244 places, 170 transitions, 1536 flow [2021-06-11 09:56:27,717 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 244 places, 170 transitions, 1536 flow [2021-06-11 09:56:27,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 236 places, 170 transitions, 1536 flow [2021-06-11 09:56:27,735 INFO L129 PetriNetUnfolder]: 85/215 cut-off events. [2021-06-11 09:56:27,735 INFO L130 PetriNetUnfolder]: For 5627/5649 co-relation queries the response was YES. [2021-06-11 09:56:27,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1341 conditions, 215 events. 85/215 cut-off events. For 5627/5649 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 1085 event pairs, 1 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 1214. Up to 28 conditions per place. [2021-06-11 09:56:27,738 INFO L151 LiptonReduction]: Number of co-enabled transitions 76 [2021-06-11 09:56:27,743 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:27,743 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:27,744 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-06-11 09:56:27,744 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 170 transitions, 1536 flow [2021-06-11 09:56:27,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:27,744 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:27,744 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:27,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,81 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:27,944 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:27,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:27,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1522079595, now seen corresponding path program 73 times [2021-06-11 09:56:27,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:27,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130448914] [2021-06-11 09:56:27,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:27,953 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:27,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:27,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:27,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:27,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:27,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:27,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:28,000 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:56:28,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:28,017 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:28,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:28,031 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:28,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:28,042 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:28,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130448914] [2021-06-11 09:56:28,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100611817] [2021-06-11 09:56:28,042 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:28,059 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-11 09:56:28,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:28,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:28,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:28,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:28,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:28,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:28,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:28,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:28,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:28,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,067 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:56:28,067 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:56:28,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:28,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:28,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:28,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,081 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-06-11 09:56:28,082 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-06-11 09:56:28,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:28,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:28,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 09:56:28,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:28,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:28,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:28,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:28,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:28,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:28,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:28,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-06-11 09:56:28,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,117 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size 34 [2021-06-11 09:56:28,117 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.0 percent of original size [2021-06-11 09:56:28,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:56:28,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:56:28,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:56:28,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,143 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.2 percent of original size 51 [2021-06-11 09:56:28,143 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.2 percent of original size [2021-06-11 09:56:28,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 09:56:28,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 09:56:28,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 09:56:28,166 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-06-11 09:56:28,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:28,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:28,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:28,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:28,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 09:56:28,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-06-11 09:56:28,195 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.6 percent of original size [2021-06-11 09:56:28,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-06-11 09:56:28,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:28,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:28,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-06-11 09:56:28,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-06-11 09:56:28,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-06-11 09:56:28,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-06-11 09:56:28,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-06-11 09:56:28,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-06-11 09:56:28,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-06-11 09:56:28,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-06-11 09:56:28,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-06-11 09:56:28,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-06-11 09:56:28,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-06-11 09:56:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:28,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:28,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-11 09:56:28,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441110192] [2021-06-11 09:56:28,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-11 09:56:28,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:28,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-11 09:56:28,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-06-11 09:56:28,240 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:28,240 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 170 transitions, 1536 flow. Second operand has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:28,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:28,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:28,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:28,587 INFO L129 PetriNetUnfolder]: 90/239 cut-off events. [2021-06-11 09:56:28,587 INFO L130 PetriNetUnfolder]: For 11311/11311 co-relation queries the response was YES. [2021-06-11 09:56:28,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2009 conditions, 239 events. 90/239 cut-off events. For 11311/11311 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1234 event pairs, 1 based on Foata normal form. 1/236 useless extension candidates. Maximal degree in co-relation 1873. Up to 182 conditions per place. [2021-06-11 09:56:28,590 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 155 selfloop transitions, 23 changer transitions 1/183 dead transitions. [2021-06-11 09:56:28,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 183 transitions, 2508 flow [2021-06-11 09:56:28,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 09:56:28,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 09:56:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 164 transitions. [2021-06-11 09:56:28,591 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45054945054945056 [2021-06-11 09:56:28,591 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 164 transitions. [2021-06-11 09:56:28,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 164 transitions. [2021-06-11 09:56:28,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:28,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 164 transitions. [2021-06-11 09:56:28,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 12.615384615384615) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:28,592 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:28,593 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:28,593 INFO L185 Difference]: Start difference. First operand has 236 places, 170 transitions, 1536 flow. Second operand 13 states and 164 transitions. [2021-06-11 09:56:28,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 183 transitions, 2508 flow [2021-06-11 09:56:28,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 183 transitions, 2434 flow, removed 26 selfloop flow, removed 11 redundant places. [2021-06-11 09:56:28,653 INFO L241 Difference]: Finished difference. Result has 240 places, 176 transitions, 1870 flow [2021-06-11 09:56:28,653 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1498, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1870, PETRI_PLACES=240, PETRI_TRANSITIONS=176} [2021-06-11 09:56:28,653 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 225 predicate places. [2021-06-11 09:56:28,653 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:28,653 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 176 transitions, 1870 flow [2021-06-11 09:56:28,654 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 176 transitions, 1870 flow [2021-06-11 09:56:28,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 176 transitions, 1870 flow [2021-06-11 09:56:28,682 INFO L129 PetriNetUnfolder]: 88/234 cut-off events. [2021-06-11 09:56:28,683 INFO L130 PetriNetUnfolder]: For 8952/8972 co-relation queries the response was YES. [2021-06-11 09:56:28,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1676 conditions, 234 events. 88/234 cut-off events. For 8952/8972 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1226 event pairs, 1 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 1548. Up to 37 conditions per place. [2021-06-11 09:56:28,686 INFO L151 LiptonReduction]: Number of co-enabled transitions 82 [2021-06-11 09:56:28,696 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:28,696 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:28,696 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-06-11 09:56:28,696 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 176 transitions, 1870 flow [2021-06-11 09:56:28,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:28,696 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:28,696 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:28,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,82 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:28,897 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:28,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:28,897 INFO L82 PathProgramCache]: Analyzing trace with hash 2103135953, now seen corresponding path program 74 times [2021-06-11 09:56:28,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:28,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780925803] [2021-06-11 09:56:28,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:28,905 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:28,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:28,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:28,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:28,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:28,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:28,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:28,953 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:56:28,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:28,974 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:28,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:28,991 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:28,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:29,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780925803] [2021-06-11 09:56:29,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381778900] [2021-06-11 09:56:29,002 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:29,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 09:56:29,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:29,024 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-11 09:56:29,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:29,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:29,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:29,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:29,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:29,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:29,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:29,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:29,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:29,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,031 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:56:29,031 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:56:29,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:29,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:29,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:29,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:29,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:29,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:29,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:29,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:29,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:29,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:29,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:29,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,062 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-06-11 09:56:29,062 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-06-11 09:56:29,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:29,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:29,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:29,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:29,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:29,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:29,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 09:56:29,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,097 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-06-11 09:56:29,097 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-11 09:56:29,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:29,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:29,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 09:56:29,116 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size [2021-06-11 09:56:29,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-06-11 09:56:29,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:29,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-11 09:56:29,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 09:56:29,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:29,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:29,146 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-06-11 09:56:29,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-06-11 09:56:29,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:29,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:29,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:29,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:29,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:29,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:29,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:29,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:29,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:29,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:29,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:29,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:29,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:29,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:29,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-11 09:56:29,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580582413] [2021-06-11 09:56:29,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-11 09:56:29,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:29,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-11 09:56:29,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-06-11 09:56:29,189 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:29,190 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 176 transitions, 1870 flow. Second operand has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:29,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:29,190 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:29,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:29,617 INFO L129 PetriNetUnfolder]: 93/258 cut-off events. [2021-06-11 09:56:29,618 INFO L130 PetriNetUnfolder]: For 14587/14587 co-relation queries the response was YES. [2021-06-11 09:56:29,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2354 conditions, 258 events. 93/258 cut-off events. For 14587/14587 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 1403 event pairs, 1 based on Foata normal form. 1/255 useless extension candidates. Maximal degree in co-relation 2220. Up to 191 conditions per place. [2021-06-11 09:56:29,620 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 151 selfloop transitions, 33 changer transitions 1/189 dead transitions. [2021-06-11 09:56:29,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 189 transitions, 2844 flow [2021-06-11 09:56:29,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-11 09:56:29,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-06-11 09:56:29,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 213 transitions. [2021-06-11 09:56:29,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4474789915966387 [2021-06-11 09:56:29,621 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 213 transitions. [2021-06-11 09:56:29,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 213 transitions. [2021-06-11 09:56:29,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:29,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 213 transitions. [2021-06-11 09:56:29,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 12.529411764705882) internal successors, (213), 17 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:29,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 28.0) internal successors, (504), 18 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:29,622 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 28.0) internal successors, (504), 18 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:29,623 INFO L185 Difference]: Start difference. First operand has 239 places, 176 transitions, 1870 flow. Second operand 17 states and 213 transitions. [2021-06-11 09:56:29,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 189 transitions, 2844 flow [2021-06-11 09:56:29,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 189 transitions, 2598 flow, removed 112 selfloop flow, removed 7 redundant places. [2021-06-11 09:56:29,693 INFO L241 Difference]: Finished difference. Result has 251 places, 182 transitions, 2032 flow [2021-06-11 09:56:29,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1630, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=2032, PETRI_PLACES=251, PETRI_TRANSITIONS=182} [2021-06-11 09:56:29,693 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 236 predicate places. [2021-06-11 09:56:29,693 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:29,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 182 transitions, 2032 flow [2021-06-11 09:56:29,694 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 182 transitions, 2032 flow [2021-06-11 09:56:29,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 250 places, 182 transitions, 2032 flow [2021-06-11 09:56:29,715 INFO L129 PetriNetUnfolder]: 91/253 cut-off events. [2021-06-11 09:56:29,715 INFO L130 PetriNetUnfolder]: For 11134/11154 co-relation queries the response was YES. [2021-06-11 09:56:29,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1907 conditions, 253 events. 91/253 cut-off events. For 11134/11154 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1393 event pairs, 1 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 1775. Up to 45 conditions per place. [2021-06-11 09:56:29,718 INFO L151 LiptonReduction]: Number of co-enabled transitions 88 [2021-06-11 09:56:29,724 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:29,724 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:29,724 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-06-11 09:56:29,725 INFO L480 AbstractCegarLoop]: Abstraction has has 250 places, 182 transitions, 2032 flow [2021-06-11 09:56:29,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:29,725 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:29,725 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:29,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,83 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:29,925 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:29,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:29,925 INFO L82 PathProgramCache]: Analyzing trace with hash 534921917, now seen corresponding path program 75 times [2021-06-11 09:56:29,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:29,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787998398] [2021-06-11 09:56:29,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:29,932 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:29,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:29,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:29,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:29,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:29,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:29,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:29,969 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:56:29,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:29,985 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:29,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:29,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:29,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:30,008 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:30,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787998398] [2021-06-11 09:56:30,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048405372] [2021-06-11 09:56:30,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:30,026 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-11 09:56:30,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:30,027 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-11 09:56:30,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:30,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,042 INFO L147 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size 21 [2021-06-11 09:56:30,043 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 09:56:30,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:30,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:30,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:30,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,057 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-06-11 09:56:30,057 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-06-11 09:56:30,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:30,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:30,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:30,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,073 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-06-11 09:56:30,073 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size [2021-06-11 09:56:30,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:30,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:30,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:30,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,091 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size 42 [2021-06-11 09:56:30,091 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size [2021-06-11 09:56:30,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:30,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:30,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-06-11 09:56:30,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,111 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.5 percent of original size 51 [2021-06-11 09:56:30,112 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.5 percent of original size [2021-06-11 09:56:30,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 09:56:30,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 09:56:30,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 09:56:30,134 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-06-11 09:56:30,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:30,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:30,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 09:56:30,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-06-11 09:56:30,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-06-11 09:56:30,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-06-11 09:56:30,165 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.6 percent of original size [2021-06-11 09:56:30,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-11 09:56:30,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:30,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:30,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-06-11 09:56:30,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:30,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:30,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:30,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:30,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:30,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:30,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:30,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:30,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:30,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-06-11 09:56:30,203 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:30,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 09:56:30,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-06-11 09:56:30,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277839997] [2021-06-11 09:56:30,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-11 09:56:30,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 09:56:30,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-11 09:56:30,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-06-11 09:56:30,204 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 28 [2021-06-11 09:56:30,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 182 transitions, 2032 flow. Second operand has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:30,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 09:56:30,204 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 28 [2021-06-11 09:56:30,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 09:56:30,519 INFO L129 PetriNetUnfolder]: 93/260 cut-off events. [2021-06-11 09:56:30,519 INFO L130 PetriNetUnfolder]: For 12856/12856 co-relation queries the response was YES. [2021-06-11 09:56:30,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2236 conditions, 260 events. 93/260 cut-off events. For 12856/12856 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 1431 event pairs, 1 based on Foata normal form. 1/257 useless extension candidates. Maximal degree in co-relation 2099. Up to 199 conditions per place. [2021-06-11 09:56:30,522 INFO L132 encePairwiseOnDemand]: 22/28 looper letters, 154 selfloop transitions, 27 changer transitions 1/186 dead transitions. [2021-06-11 09:56:30,522 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 186 transitions, 2487 flow [2021-06-11 09:56:30,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 09:56:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 09:56:30,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 164 transitions. [2021-06-11 09:56:30,523 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45054945054945056 [2021-06-11 09:56:30,523 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 164 transitions. [2021-06-11 09:56:30,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 164 transitions. [2021-06-11 09:56:30,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 09:56:30,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 164 transitions. [2021-06-11 09:56:30,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 12.615384615384615) internal successors, (164), 13 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:30,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:30,523 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 28.0) internal successors, (392), 14 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:30,524 INFO L185 Difference]: Start difference. First operand has 250 places, 182 transitions, 2032 flow. Second operand 13 states and 164 transitions. [2021-06-11 09:56:30,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 186 transitions, 2487 flow [2021-06-11 09:56:30,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 186 transitions, 2222 flow, removed 117 selfloop flow, removed 11 redundant places. [2021-06-11 09:56:30,570 INFO L241 Difference]: Finished difference. Result has 254 places, 184 transitions, 1918 flow [2021-06-11 09:56:30,570 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=28, PETRI_DIFFERENCE_MINUEND_FLOW=1769, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1918, PETRI_PLACES=254, PETRI_TRANSITIONS=184} [2021-06-11 09:56:30,571 INFO L343 CegarLoopForPetriNet]: 15 programPoint places, 239 predicate places. [2021-06-11 09:56:30,571 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 09:56:30,571 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 254 places, 184 transitions, 1918 flow [2021-06-11 09:56:30,571 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 254 places, 184 transitions, 1918 flow [2021-06-11 09:56:30,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 253 places, 184 transitions, 1918 flow [2021-06-11 09:56:30,593 INFO L129 PetriNetUnfolder]: 91/254 cut-off events. [2021-06-11 09:56:30,593 INFO L130 PetriNetUnfolder]: For 9292/9312 co-relation queries the response was YES. [2021-06-11 09:56:30,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1783 conditions, 254 events. 91/254 cut-off events. For 9292/9312 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1383 event pairs, 1 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 1648. Up to 45 conditions per place. [2021-06-11 09:56:30,596 INFO L151 LiptonReduction]: Number of co-enabled transitions 88 [2021-06-11 09:56:30,602 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 09:56:30,603 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 09:56:30,603 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-06-11 09:56:30,603 INFO L480 AbstractCegarLoop]: Abstraction has has 253 places, 184 transitions, 1918 flow [2021-06-11 09:56:30,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.0) internal successors, (187), 17 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 09:56:30,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 09:56:30,603 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 09:56:30,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,84 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:30,804 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-11 09:56:30,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 09:56:30,804 INFO L82 PathProgramCache]: Analyzing trace with hash 2102242223, now seen corresponding path program 76 times [2021-06-11 09:56:30,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 09:56:30,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696982819] [2021-06-11 09:56:30,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 09:56:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 09:56:30,811 INFO L142 QuantifierPusher]: treesize reduction 12, result has 52.0 percent of original size [2021-06-11 09:56:30,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 09:56:30,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 09:56:30,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:30,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:30,849 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-11 09:56:30,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 09:56:30,864 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-06-11 09:56:30,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:30,878 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-06-11 09:56:30,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 09:56:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 09:56:30,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696982819] [2021-06-11 09:56:30,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511553155] [2021-06-11 09:56:30,889 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 09:56:30,906 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 09:56:30,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 09:56:30,907 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-11 09:56:30,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 09:56:30,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:30,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,914 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-06-11 09:56:30,914 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-06-11 09:56:30,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:30,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:30,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:30,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:30,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:30,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:30,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:30,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,930 INFO L147 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size 21 [2021-06-11 09:56:30,930 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-11 09:56:30,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:30,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:30,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:30,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,946 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.9 percent of original size 34 [2021-06-11 09:56:30,946 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.9 percent of original size [2021-06-11 09:56:30,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:56:30,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:56:30,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 09:56:30,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,965 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.8 percent of original size 44 [2021-06-11 09:56:30,965 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.8 percent of original size [2021-06-11 09:56:30,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 09:56:30,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 09:56:30,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-06-11 09:56:30,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,984 INFO L147 QuantifierPusher]: treesize reduction 3, result has 94.4 percent of original size 51 [2021-06-11 09:56:30,985 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.4 percent of original size [2021-06-11 09:56:30,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 09:56:30,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 09:56:30,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:30,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 09:56:31,007 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.2 percent of original size [2021-06-11 09:56:31,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-06-11 09:56:31,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 09:56:31,010 INFO L147 QuantifierPusher]: treesize reduction -1, result has 100.9 percent of original size 107 [2021-06-11 09:56:31,010 INFO L142 QuantifierPusher]: treesize reduction -1, result has 100.9 percent of original size [2021-06-11 09:56:31,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-06-11 09:56:31,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-06-11 09:56:31,038 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.9 percent of original size [2021-06-11 09:56:31,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-06-11 09:56:31,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,072 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:31,163 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:31,324 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:31,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 582 [2021-06-11 09:56:31,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 589 [2021-06-11 09:56:31,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:31,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,473 INFO L147 QuantifierPusher]: treesize reduction -2, result has 102.4 percent of original size 86 [2021-06-11 09:56:31,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:31,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,488 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.7 percent of original size 61 [2021-06-11 09:56:31,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,489 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.0 percent of original size [2021-06-11 09:56:31,505 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:31,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,524 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.7 percent of original size 61 [2021-06-11 09:56:31,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,526 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.7 percent of original size 37 [2021-06-11 09:56:31,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,527 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size [2021-06-11 09:56:31,527 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size 50 [2021-06-11 09:56:31,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,528 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.4 percent of original size [2021-06-11 09:56:31,541 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:31,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,548 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.9 percent of original size 53 [2021-06-11 09:56:31,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,550 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.9 percent of original size 53 [2021-06-11 09:56:31,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,550 INFO L142 QuantifierPusher]: treesize reduction -2, result has 102.8 percent of original size [2021-06-11 09:56:31,564 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:31,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 09:56:31,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,571 INFO L147 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size 15 [2021-06-11 09:56:31,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,572 INFO L147 QuantifierPusher]: treesize reduction -10, result has 117.9 percent of original size 66 [2021-06-11 09:56:31,599 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:31,660 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:31,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 09:56:31,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,737 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.8 percent of original size 22 [2021-06-11 09:56:31,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,740 INFO L147 QuantifierPusher]: treesize reduction -9, result has 111.1 percent of original size 90 [2021-06-11 09:56:31,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:31,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,750 INFO L147 QuantifierPusher]: treesize reduction -10, result has 113.3 percent of original size 85 [2021-06-11 09:56:31,771 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:31,818 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:31,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-06-11 09:56:31,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 09:56:31,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,831 INFO L147 QuantifierPusher]: treesize reduction -10, result has 115.9 percent of original size 73 [2021-06-11 09:56:31,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,832 INFO L142 QuantifierPusher]: treesize reduction -5, result has 111.6 percent of original size [2021-06-11 09:56:31,832 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.0 percent of original size 52 [2021-06-11 09:56:31,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,834 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.6 percent of original size [2021-06-11 09:56:31,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-06-11 09:56:31,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:31,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:31,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 09:56:31,874 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:31,932 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:31,969 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:32,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 09:56:32,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:32,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-06-11 09:56:32,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,030 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.5 percent of original size 41 [2021-06-11 09:56:32,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,032 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.8 percent of original size 37 [2021-06-11 09:56:32,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,039 INFO L147 QuantifierPusher]: treesize reduction -8, result has 112.3 percent of original size 73 [2021-06-11 09:56:32,063 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:32,111 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:32,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,120 INFO L147 QuantifierPusher]: treesize reduction -19, result has 117.3 percent of original size 129 [2021-06-11 09:56:32,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:32,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:32,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,125 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.5 percent of original size 41 [2021-06-11 09:56:32,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,127 INFO L142 QuantifierPusher]: treesize reduction -9, result has 111.1 percent of original size [2021-06-11 09:56:32,150 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:32,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-06-11 09:56:32,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-06-11 09:56:32,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,197 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:32,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 09:56:32,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:32,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:56:32,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:56:32,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,277 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:32,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,307 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size 42 [2021-06-11 09:56:32,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,309 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.9 percent of original size 36 [2021-06-11 09:56:32,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,311 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size [2021-06-11 09:56:32,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,318 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.2 percent of original size 50 [2021-06-11 09:56:32,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,319 INFO L142 QuantifierPusher]: treesize reduction -2, result has 102.6 percent of original size [2021-06-11 09:56:32,337 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:32,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,370 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size 42 [2021-06-11 09:56:32,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:32,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,384 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 45 [2021-06-11 09:56:32,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,385 INFO L142 QuantifierPusher]: treesize reduction -2, result has 102.6 percent of original size [2021-06-11 09:56:32,404 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:32,448 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:32,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,462 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.6 percent of original size 40 [2021-06-11 09:56:32,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,464 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.8 percent of original size 55 [2021-06-11 09:56:32,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,466 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 45 [2021-06-11 09:56:32,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,468 INFO L142 QuantifierPusher]: treesize reduction -2, result has 103.0 percent of original size [2021-06-11 09:56:32,491 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:32,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,511 INFO L147 QuantifierPusher]: treesize reduction -2, result has 102.8 percent of original size 73 [2021-06-11 09:56:32,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,513 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:56:32,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,515 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.2 percent of original size [2021-06-11 09:56:32,525 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:32,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,529 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.9 percent of original size 55 [2021-06-11 09:56:32,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:32,531 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size 43 [2021-06-11 09:56:32,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:32,532 INFO L142 QuantifierPusher]: treesize reduction -2, result has 101.6 percent of original size [2021-06-11 09:56:32,573 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:32,655 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:32,849 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:33,263 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:33,672 INFO L842 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:33,977 INFO L842 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:34,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,121 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:56:34,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,127 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.2 percent of original size 50 [2021-06-11 09:56:34,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,128 INFO L142 QuantifierPusher]: treesize reduction -2, result has 102.7 percent of original size [2021-06-11 09:56:34,143 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,162 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.2 percent of original size 50 [2021-06-11 09:56:34,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,164 INFO L147 QuantifierPusher]: treesize reduction -10, result has 109.0 percent of original size 121 [2021-06-11 09:56:34,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,165 INFO L142 QuantifierPusher]: treesize reduction -6, result has 105.7 percent of original size [2021-06-11 09:56:34,170 INFO L147 QuantifierPusher]: treesize reduction 147, result has 72.2 percent of original size 382 [2021-06-11 09:56:34,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,173 INFO L142 QuantifierPusher]: treesize reduction -2, result has 101.9 percent of original size [2021-06-11 09:56:34,202 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:34,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,246 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.7 percent of original size [2021-06-11 09:56:34,250 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,251 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.5 percent of original size 46 [2021-06-11 09:56:34,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,252 INFO L142 QuantifierPusher]: treesize reduction -2, result has 102.9 percent of original size [2021-06-11 09:56:34,263 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,283 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.7 percent of original size 45 [2021-06-11 09:56:34,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,285 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:56:34,285 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.9 percent of original size 55 [2021-06-11 09:56:34,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,287 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.5 percent of original size 46 [2021-06-11 09:56:34,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,288 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.4 percent of original size [2021-06-11 09:56:34,317 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,349 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:34,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 09:56:34,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,360 INFO L142 QuantifierPusher]: treesize reduction -1, result has 103.0 percent of original size [2021-06-11 09:56:34,373 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,385 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.5 percent of original size 46 [2021-06-11 09:56:34,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,386 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size [2021-06-11 09:56:34,391 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,392 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.9 percent of original size 55 [2021-06-11 09:56:34,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,393 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.3 percent of original size [2021-06-11 09:56:34,407 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:34,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,442 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.9 percent of original size 55 [2021-06-11 09:56:34,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,445 INFO L147 QuantifierPusher]: treesize reduction -5, result has 109.6 percent of original size 57 [2021-06-11 09:56:34,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,446 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.3 percent of original size [2021-06-11 09:56:34,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,452 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 44 [2021-06-11 09:56:34,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,454 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.3 percent of original size [2021-06-11 09:56:34,466 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,502 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.4 percent of original size 60 [2021-06-11 09:56:34,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,504 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.9 percent of original size 53 [2021-06-11 09:56:34,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,506 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.6 percent of original size [2021-06-11 09:56:34,508 INFO L147 QuantifierPusher]: treesize reduction -9, result has 106.5 percent of original size 147 [2021-06-11 09:56:34,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,510 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size [2021-06-11 09:56:34,511 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 58 [2021-06-11 09:56:34,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,512 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.1 percent of original size [2021-06-11 09:56:34,525 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,565 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,583 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size 43 [2021-06-11 09:56:34,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,586 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.2 percent of original size 64 [2021-06-11 09:56:34,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:34,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,590 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size [2021-06-11 09:56:34,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,597 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size 47 [2021-06-11 09:56:34,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,599 INFO L142 QuantifierPusher]: treesize reduction -2, result has 102.6 percent of original size [2021-06-11 09:56:34,641 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,703 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:34,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,732 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size 47 [2021-06-11 09:56:34,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,734 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size 43 [2021-06-11 09:56:34,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,741 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 45 [2021-06-11 09:56:34,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,743 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.3 percent of original size [2021-06-11 09:56:34,760 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,780 INFO L147 QuantifierPusher]: treesize reduction -1, result has 103.1 percent of original size 33 [2021-06-11 09:56:34,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 09:56:34,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,788 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 44 [2021-06-11 09:56:34,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,789 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.5 percent of original size [2021-06-11 09:56:34,822 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,860 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 44 [2021-06-11 09:56:34,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,865 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.7 percent of original size 45 [2021-06-11 09:56:34,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:34,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,869 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size [2021-06-11 09:56:34,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,875 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:56:34,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,876 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.1 percent of original size [2021-06-11 09:56:34,894 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:34,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,921 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size 46 [2021-06-11 09:56:34,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 09:56:34,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-06-11 09:56:34,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:34,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:34,961 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:35,034 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:35,120 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:35,234 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:35,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:35,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,297 INFO L147 QuantifierPusher]: treesize reduction -4, result has 108.3 percent of original size 52 [2021-06-11 09:56:35,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-06-11 09:56:35,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:35,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,304 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size 52 [2021-06-11 09:56:35,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,307 INFO L147 QuantifierPusher]: treesize reduction -5, result has 107.9 percent of original size 68 [2021-06-11 09:56:35,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,308 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.9 percent of original size [2021-06-11 09:56:35,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,312 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size 47 [2021-06-11 09:56:35,328 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:35,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,337 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.7 percent of original size 56 [2021-06-11 09:56:35,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,339 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size 50 [2021-06-11 09:56:35,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,341 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.6 percent of original size 57 [2021-06-11 09:56:35,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,342 INFO L142 QuantifierPusher]: treesize reduction -4, result has 102.7 percent of original size [2021-06-11 09:56:35,372 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:35,411 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:35,481 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:35,538 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:35,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,581 INFO L147 QuantifierPusher]: treesize reduction -5, result has 110.2 percent of original size 54 [2021-06-11 09:56:35,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,583 INFO L142 QuantifierPusher]: treesize reduction -2, result has 103.9 percent of original size [2021-06-11 09:56:35,584 INFO L147 QuantifierPusher]: treesize reduction -4, result has 106.3 percent of original size 68 [2021-06-11 09:56:35,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,586 INFO L147 QuantifierPusher]: treesize reduction -2, result has 105.3 percent of original size 40 [2021-06-11 09:56:35,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,588 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.4 percent of original size 47 [2021-06-11 09:56:35,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,590 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.2 percent of original size [2021-06-11 09:56:35,591 INFO L147 QuantifierPusher]: treesize reduction 26, result has 50.0 percent of original size 26 [2021-06-11 09:56:35,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,593 INFO L142 QuantifierPusher]: treesize reduction -2, result has 102.9 percent of original size [2021-06-11 09:56:35,613 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:35,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,627 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.7 percent of original size 56 [2021-06-11 09:56:35,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:35,631 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.7 percent of original size 56 [2021-06-11 09:56:35,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:35,633 INFO L142 QuantifierPusher]: treesize reduction -4, result has 103.2 percent of original size [2021-06-11 09:56:35,665 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:35,726 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:35,897 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:36,010 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:36,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,061 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.9 percent of original size 43 [2021-06-11 09:56:36,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,066 INFO L147 QuantifierPusher]: treesize reduction -2, result has 106.3 percent of original size 34 [2021-06-11 09:56:36,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,069 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size [2021-06-11 09:56:36,070 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size 50 [2021-06-11 09:56:36,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,075 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size [2021-06-11 09:56:36,077 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.9 percent of original size 53 [2021-06-11 09:56:36,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,080 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.4 percent of original size [2021-06-11 09:56:36,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,093 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.9 percent of original size 53 [2021-06-11 09:56:36,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,095 INFO L142 QuantifierPusher]: treesize reduction -2, result has 102.2 percent of original size [2021-06-11 09:56:36,114 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:36,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-06-11 09:56:36,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:56:36,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,133 INFO L147 QuantifierPusher]: treesize reduction 30, result has 49.2 percent of original size 29 [2021-06-11 09:56:36,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,155 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:36,238 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:36,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,315 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.4 percent of original size 61 [2021-06-11 09:56:36,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,318 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size [2021-06-11 09:56:36,319 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.7 percent of original size 59 [2021-06-11 09:56:36,321 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,323 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.3 percent of original size 24 [2021-06-11 09:56:36,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,326 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size [2021-06-11 09:56:36,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,338 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.3 percent of original size 48 [2021-06-11 09:56:36,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,340 INFO L142 QuantifierPusher]: treesize reduction -2, result has 102.3 percent of original size [2021-06-11 09:56:36,371 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:36,401 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:36,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,408 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size 42 [2021-06-11 09:56:36,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,410 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.9 percent of original size 53 [2021-06-11 09:56:36,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,417 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.3 percent of original size 48 [2021-06-11 09:56:36,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,419 INFO L142 QuantifierPusher]: treesize reduction -2, result has 103.0 percent of original size [2021-06-11 09:56:36,444 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:36,495 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:36,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,502 INFO L147 QuantifierPusher]: treesize reduction -2, result has 102.6 percent of original size 79 [2021-06-11 09:56:36,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,504 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size [2021-06-11 09:56:36,505 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.6 percent of original size 65 [2021-06-11 09:56:36,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:36,508 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.3 percent of original size 48 [2021-06-11 09:56:36,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:36,510 INFO L142 QuantifierPusher]: treesize reduction -2, result has 101.2 percent of original size [2021-06-11 09:56:36,539 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:36,594 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:36,746 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:36,971 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:37,159 INFO L842 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:37,319 INFO L842 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:37,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,347 INFO L147 QuantifierPusher]: treesize reduction -2, result has 102.6 percent of original size 79 [2021-06-11 09:56:37,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,351 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.3 percent of original size 78 [2021-06-11 09:56:37,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:37,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 09:56:37,360 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,361 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size [2021-06-11 09:56:37,365 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,367 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.0 percent of original size 52 [2021-06-11 09:56:37,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,369 INFO L142 QuantifierPusher]: treesize reduction -2, result has 102.2 percent of original size [2021-06-11 09:56:37,384 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:37,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:37,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,405 INFO L147 QuantifierPusher]: treesize reduction -10, result has 105.4 percent of original size 195 [2021-06-11 09:56:37,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,408 INFO L147 QuantifierPusher]: treesize reduction -2, result has 104.0 percent of original size 52 [2021-06-11 09:56:37,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,410 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.9 percent of original size 53 [2021-06-11 09:56:37,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 09:56:37,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,414 INFO L142 QuantifierPusher]: treesize reduction -7, result has 105.0 percent of original size [2021-06-11 09:56:37,441 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:37,499 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:37,583 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:37,740 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:37,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:37,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 09:56:37,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,776 INFO L147 QuantifierPusher]: treesize reduction -3, result has 104.8 percent of original size 66 [2021-06-11 09:56:37,778 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 09:56:37,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,784 INFO L147 QuantifierPusher]: treesize reduction -3, result has 104.2 percent of original size 75 [2021-06-11 09:56:37,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 09:56:37,810 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:37,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-06-11 09:56:37,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 09:56:37,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,827 INFO L147 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size 23 [2021-06-11 09:56:37,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,857 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:37,911 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:37,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:56:37,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:37,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 09:56:37,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-06-11 09:56:37,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:37,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:37,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:37,974 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:38,048 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:38,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-06-11 09:56:38,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-06-11 09:56:38,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:38,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:38,130 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:38,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 09:56:38,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-06-11 09:56:38,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:56:38,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:38,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,219 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:38,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:38,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 09:56:38,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,240 INFO L147 QuantifierPusher]: treesize reduction -6, result has 108.8 percent of original size 74 [2021-06-11 09:56:38,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,242 INFO L142 QuantifierPusher]: treesize reduction -6, result has 103.3 percent of original size [2021-06-11 09:56:38,283 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:38,346 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:38,432 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:38,526 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:38,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 09:56:38,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-06-11 09:56:38,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-06-11 09:56:38,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,602 INFO L147 QuantifierPusher]: treesize reduction 24, result has 48.9 percent of original size 23 [2021-06-11 09:56:38,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-06-11 09:56:38,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-06-11 09:56:38,642 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:38,707 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:38,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:38,837 INFO L147 QuantifierPusher]: treesize reduction -6, result has 100.8 percent of original size 715 [2021-06-11 09:56:38,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,840 INFO L142 QuantifierPusher]: treesize reduction 114, result has 67.6 percent of original size [2021-06-11 09:56:38,843 INFO L147 QuantifierPusher]: treesize reduction -58, result has 105.5 percent of original size 1118 [2021-06-11 09:56:38,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,848 INFO L142 QuantifierPusher]: treesize reduction 132, result has 82.1 percent of original size [2021-06-11 09:56:38,857 INFO L147 QuantifierPusher]: treesize reduction -102, result has 102.2 percent of original size 4763 [2021-06-11 09:56:38,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:38,869 INFO L142 QuantifierPusher]: treesize reduction -6, result has 100.2 percent of original size [2021-06-11 09:56:39,171 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:39,793 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:40,782 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:42,173 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:56:43,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,768 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.5 percent of original size 66 [2021-06-11 09:56:43,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,776 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.3 percent of original size 77 [2021-06-11 09:56:43,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,785 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.5 percent of original size 41 [2021-06-11 09:56:43,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,793 INFO L147 QuantifierPusher]: treesize reduction -5, result has 103.8 percent of original size 137 [2021-06-11 09:56:43,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,802 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:56:43,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,810 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size 43 [2021-06-11 09:56:43,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,819 INFO L147 QuantifierPusher]: treesize reduction -6, result has 104.8 percent of original size 131 [2021-06-11 09:56:43,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,827 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.2 percent of original size 85 [2021-06-11 09:56:43,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,836 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.6 percent of original size 64 [2021-06-11 09:56:43,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,844 INFO L147 QuantifierPusher]: treesize reduction -5, result has 107.2 percent of original size 74 [2021-06-11 09:56:43,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,853 INFO L147 QuantifierPusher]: treesize reduction -6, result has 105.7 percent of original size 112 [2021-06-11 09:56:43,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,862 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.3 percent of original size 101 [2021-06-11 09:56:43,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,870 INFO L147 QuantifierPusher]: treesize reduction -5, result has 104.7 percent of original size 111 [2021-06-11 09:56:43,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,879 INFO L147 QuantifierPusher]: treesize reduction -6, result has 108.2 percent of original size 79 [2021-06-11 09:56:43,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,887 INFO L147 QuantifierPusher]: treesize reduction -6, result has 105.6 percent of original size 114 [2021-06-11 09:56:43,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,895 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.1 percent of original size 96 [2021-06-11 09:56:43,901 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,903 INFO L147 QuantifierPusher]: treesize reduction -5, result has 104.0 percent of original size 130 [2021-06-11 09:56:43,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,910 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:56:43,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,918 INFO L147 QuantifierPusher]: treesize reduction -6, result has 105.4 percent of original size 118 [2021-06-11 09:56:43,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,925 INFO L147 QuantifierPusher]: treesize reduction -5, result has 105.7 percent of original size 92 [2021-06-11 09:56:43,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,932 INFO L147 QuantifierPusher]: treesize reduction -6, result has 105.3 percent of original size 120 [2021-06-11 09:56:43,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,940 INFO L147 QuantifierPusher]: treesize reduction -5, result has 105.6 percent of original size 95 [2021-06-11 09:56:43,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,947 INFO L147 QuantifierPusher]: treesize reduction -5, result has 106.1 percent of original size 87 [2021-06-11 09:56:43,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,952 INFO L142 QuantifierPusher]: treesize reduction -2, result has 104.3 percent of original size [2021-06-11 09:56:43,953 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.4 percent of original size 42 [2021-06-11 09:56:43,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,960 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.2 percent of original size 103 [2021-06-11 09:56:43,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,967 INFO L147 QuantifierPusher]: treesize reduction -5, result has 103.8 percent of original size 135 [2021-06-11 09:56:43,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,973 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.5 percent of original size 98 [2021-06-11 09:56:43,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,979 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.6 percent of original size 65 [2021-06-11 09:56:43,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,986 INFO L147 QuantifierPusher]: treesize reduction -6, result has 105.7 percent of original size 112 [2021-06-11 09:56:43,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,991 INFO L142 QuantifierPusher]: treesize reduction -2, result has 102.0 percent of original size [2021-06-11 09:56:43,992 INFO L147 QuantifierPusher]: treesize reduction -5, result has 104.5 percent of original size 116 [2021-06-11 09:56:43,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:43,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:43,999 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.7 percent of original size 95 [2021-06-11 09:56:44,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:44,006 INFO L147 QuantifierPusher]: treesize reduction -5, result has 104.4 percent of original size 118 [2021-06-11 09:56:44,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,011 INFO L142 QuantifierPusher]: treesize reduction -2, result has 102.5 percent of original size [2021-06-11 09:56:44,012 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.4 percent of original size 100 [2021-06-11 09:56:44,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:44,019 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.2 percent of original size 83 [2021-06-11 09:56:44,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:44,025 INFO L147 QuantifierPusher]: treesize reduction -5, result has 104.5 percent of original size 116 [2021-06-11 09:56:44,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:44,031 INFO L147 QuantifierPusher]: treesize reduction -5, result has 104.4 percent of original size 118 [2021-06-11 09:56:44,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:44,037 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.3 percent of original size 101 [2021-06-11 09:56:44,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:44,046 INFO L147 QuantifierPusher]: treesize reduction -5, result has 104.1 percent of original size 127 [2021-06-11 09:56:44,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:44,054 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.6 percent of original size 64 [2021-06-11 09:56:44,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:44,063 INFO L147 QuantifierPusher]: treesize reduction -6, result has 105.2 percent of original size 122 [2021-06-11 09:56:44,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:44,071 INFO L147 QuantifierPusher]: treesize reduction -6, result has 106.5 percent of original size 99 [2021-06-11 09:56:44,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,078 INFO L142 QuantifierPusher]: treesize reduction -2, result has 102.9 percent of original size [2021-06-11 09:56:44,080 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.6 percent of original size 65 [2021-06-11 09:56:44,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:44,085 INFO L147 QuantifierPusher]: treesize reduction -1, result has 105.0 percent of original size 21 [2021-06-11 09:56:44,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 09:56:44,093 INFO L147 QuantifierPusher]: treesize reduction -6, result has 105.3 percent of original size 119 [2021-06-11 09:56:44,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 09:56:44,104 INFO L142 QuantifierPusher]: treesize reduction -48, result has 101.8 percent of original size [2021-06-11 09:56:44,221 INFO L147 QuantifierPusher]: treesize reduction -468, result has 100.9 percent of original size 51733 [2021-06-11 09:56:54,423 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:57:23,437 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:57:58,638 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:58:39,283 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 09:59:27,568 INFO L842 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 10:00:20,201 INFO L842 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 10:01:23,545 INFO L842 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 10:02:29,771 INFO L842 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 10:03:42,026 INFO L842 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 10:05:02,070 INFO L842 QuantifierPusher]: Run 100 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 10:06:27,066 INFO L842 QuantifierPusher]: Run 110 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 10:07:55,872 INFO L842 QuantifierPusher]: Run 120 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-06-11 10:09:32,862 INFO L842 QuantifierPusher]: Run 130 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. Received shutdown request... [2021-06-11 10:10:13,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2021-06-11 10:10:13,380 WARN L545 AbstractCegarLoop]: Verification canceled [2021-06-11 10:10:13,383 WARN L224 ceAbstractionStarter]: Timeout [2021-06-11 10:10:13,383 INFO L202 PluginConnector]: Adding new model mult-comm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 10:10:13 BasicIcfg [2021-06-11 10:10:13,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 10:10:13,384 INFO L168 Benchmark]: Toolchain (without parser) took 882742.66 ms. Allocated memory was 329.3 MB in the beginning and 826.3 MB in the end (delta: 497.0 MB). Free memory was 308.5 MB in the beginning and 445.5 MB in the end (delta: -137.0 MB). Peak memory consumption was 511.7 MB. Max. memory is 16.0 GB. [2021-06-11 10:10:13,384 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 329.3 MB. Free memory was 309.7 MB in the beginning and 309.6 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 10:10:13,384 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.29 ms. Allocated memory is still 329.3 MB. Free memory was 308.5 MB in the beginning and 307.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 10:10:13,384 INFO L168 Benchmark]: Boogie Preprocessor took 18.51 ms. Allocated memory is still 329.3 MB. Free memory was 307.0 MB in the beginning and 306.1 MB in the end (delta: 973.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 10:10:13,384 INFO L168 Benchmark]: RCFGBuilder took 283.36 ms. Allocated memory is still 329.3 MB. Free memory was 306.1 MB in the beginning and 294.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-11 10:10:13,384 INFO L168 Benchmark]: TraceAbstraction took 882409.70 ms. Allocated memory was 329.3 MB in the beginning and 826.3 MB in the end (delta: 497.0 MB). Free memory was 294.4 MB in the beginning and 445.5 MB in the end (delta: -151.1 MB). Peak memory consumption was 499.1 MB. Max. memory is 16.0 GB. [2021-06-11 10:10:13,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 329.3 MB. Free memory was 309.7 MB in the beginning and 309.6 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.29 ms. Allocated memory is still 329.3 MB. Free memory was 308.5 MB in the beginning and 307.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.51 ms. Allocated memory is still 329.3 MB. Free memory was 307.0 MB in the beginning and 306.1 MB in the end (delta: 973.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 283.36 ms. Allocated memory is still 329.3 MB. Free memory was 306.1 MB in the beginning and 294.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 882409.70 ms. Allocated memory was 329.3 MB in the beginning and 826.3 MB in the end (delta: 497.0 MB). Free memory was 294.4 MB in the beginning and 445.5 MB in the end (delta: -151.1 MB). Peak memory consumption was 499.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 186.3ms, 20 PlacesBefore, 15 PlacesAfterwards, 15 TransitionsBefore, 10 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 20 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 20, unknown conditional: 0, unknown unconditional: 20] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.2ms, 14 PlacesBefore, 14 PlacesAfterwards, 12 TransitionsBefore, 12 TransitionsAfterwards, 22 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.2ms, 20 PlacesBefore, 19 PlacesAfterwards, 14 TransitionsBefore, 14 TransitionsAfterwards, 24 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.4ms, 23 PlacesBefore, 22 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 18 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.1ms, 28 PlacesBefore, 27 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 20 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.4ms, 33 PlacesBefore, 32 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 22 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.2ms, 37 PlacesBefore, 36 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 22 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.9ms, 39 PlacesBefore, 38 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 26 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.9ms, 41 PlacesBefore, 40 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 26 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.2ms, 45 PlacesBefore, 44 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 26 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.0ms, 49 PlacesBefore, 48 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 28 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.5ms, 54 PlacesBefore, 53 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 28 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.7ms, 59 PlacesBefore, 58 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 32 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.2ms, 68 PlacesBefore, 66 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.5ms, 70 PlacesBefore, 69 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.5ms, 77 PlacesBefore, 69 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 30 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.0ms, 76 PlacesBefore, 75 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 42 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 190.9ms, 75 PlacesBefore, 73 PlacesAfterwards, 55 TransitionsBefore, 54 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.5ms, 79 PlacesBefore, 68 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 30 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.0ms, 74 PlacesBefore, 73 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 34 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.6ms, 81 PlacesBefore, 79 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 34 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.0ms, 78 PlacesBefore, 77 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 38 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.6ms, 85 PlacesBefore, 84 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.5ms, 91 PlacesBefore, 81 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.9ms, 79 PlacesBefore, 78 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.9ms, 85 PlacesBefore, 84 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 42 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.2ms, 90 PlacesBefore, 89 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 46 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.8ms, 93 PlacesBefore, 92 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 46 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.7ms, 97 PlacesBefore, 96 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 46 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.7ms, 98 PlacesBefore, 97 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 46 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.5ms, 105 PlacesBefore, 104 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.0ms, 110 PlacesBefore, 108 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.6ms, 110 PlacesBefore, 109 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 46 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.1ms, 115 PlacesBefore, 114 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.3ms, 124 PlacesBefore, 123 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 56 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.0ms, 131 PlacesBefore, 130 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.4ms, 135 PlacesBefore, 126 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 50 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.3ms, 133 PlacesBefore, 132 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 52 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.5ms, 124 PlacesBefore, 123 PlacesAfterwards, 101 TransitionsBefore, 101 TransitionsAfterwards, 56 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.2ms, 128 PlacesBefore, 127 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 56 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.5ms, 131 PlacesBefore, 130 PlacesAfterwards, 106 TransitionsBefore, 106 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.8ms, 136 PlacesBefore, 135 PlacesAfterwards, 108 TransitionsBefore, 108 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.5ms, 140 PlacesBefore, 139 PlacesAfterwards, 110 TransitionsBefore, 110 TransitionsAfterwards, 62 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.6ms, 147 PlacesBefore, 146 PlacesAfterwards, 112 TransitionsBefore, 112 TransitionsAfterwards, 62 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.7ms, 154 PlacesBefore, 141 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 62 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.8ms, 143 PlacesBefore, 141 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 62 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.5ms, 146 PlacesBefore, 145 PlacesAfterwards, 106 TransitionsBefore, 106 TransitionsAfterwards, 62 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.4ms, 145 PlacesBefore, 144 PlacesAfterwards, 107 TransitionsBefore, 107 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.2ms, 148 PlacesBefore, 147 PlacesAfterwards, 109 TransitionsBefore, 109 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.5ms, 153 PlacesBefore, 152 PlacesAfterwards, 111 TransitionsBefore, 111 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.0ms, 156 PlacesBefore, 155 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 64 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.0ms, 165 PlacesBefore, 163 PlacesAfterwards, 119 TransitionsBefore, 119 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.3ms, 167 PlacesBefore, 166 PlacesAfterwards, 121 TransitionsBefore, 121 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.3ms, 167 PlacesBefore, 166 PlacesAfterwards, 122 TransitionsBefore, 122 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.7ms, 168 PlacesBefore, 167 PlacesAfterwards, 124 TransitionsBefore, 124 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.3ms, 172 PlacesBefore, 171 PlacesAfterwards, 128 TransitionsBefore, 128 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.0ms, 176 PlacesBefore, 175 PlacesAfterwards, 130 TransitionsBefore, 130 TransitionsAfterwards, 74 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.5ms, 183 PlacesBefore, 182 PlacesAfterwards, 134 TransitionsBefore, 134 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.3ms, 185 PlacesBefore, 184 PlacesAfterwards, 138 TransitionsBefore, 138 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.7ms, 195 PlacesBefore, 193 PlacesAfterwards, 140 TransitionsBefore, 140 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.0ms, 194 PlacesBefore, 193 PlacesAfterwards, 143 TransitionsBefore, 143 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.1ms, 201 PlacesBefore, 200 PlacesAfterwards, 145 TransitionsBefore, 145 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27.5ms, 201 PlacesBefore, 200 PlacesAfterwards, 146 TransitionsBefore, 146 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.1ms, 202 PlacesBefore, 201 PlacesAfterwards, 148 TransitionsBefore, 148 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.4ms, 205 PlacesBefore, 204 PlacesAfterwards, 149 TransitionsBefore, 149 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.8ms, 208 PlacesBefore, 207 PlacesAfterwards, 151 TransitionsBefore, 151 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.9ms, 219 PlacesBefore, 208 PlacesAfterwards, 145 TransitionsBefore, 145 TransitionsAfterwards, 74 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.5ms, 203 PlacesBefore, 202 PlacesAfterwards, 149 TransitionsBefore, 149 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.9ms, 208 PlacesBefore, 207 PlacesAfterwards, 151 TransitionsBefore, 151 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.0ms, 211 PlacesBefore, 210 PlacesAfterwards, 152 TransitionsBefore, 152 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.6ms, 217 PlacesBefore, 211 PlacesAfterwards, 150 TransitionsBefore, 150 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.6ms, 211 PlacesBefore, 210 PlacesAfterwards, 154 TransitionsBefore, 154 TransitionsAfterwards, 80 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.9ms, 218 PlacesBefore, 217 PlacesAfterwards, 158 TransitionsBefore, 158 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.8ms, 224 PlacesBefore, 223 PlacesAfterwards, 160 TransitionsBefore, 160 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.1ms, 222 PlacesBefore, 221 PlacesAfterwards, 161 TransitionsBefore, 161 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.2ms, 225 PlacesBefore, 224 PlacesAfterwards, 163 TransitionsBefore, 163 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.1ms, 229 PlacesBefore, 228 PlacesAfterwards, 167 TransitionsBefore, 167 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.6ms, 234 PlacesBefore, 233 PlacesAfterwards, 169 TransitionsBefore, 169 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.0ms, 242 PlacesBefore, 232 PlacesAfterwards, 165 TransitionsBefore, 165 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.9ms, 238 PlacesBefore, 237 PlacesAfterwards, 169 TransitionsBefore, 169 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.2ms, 240 PlacesBefore, 239 PlacesAfterwards, 173 TransitionsBefore, 173 TransitionsAfterwards, 80 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.4ms, 244 PlacesBefore, 236 PlacesAfterwards, 170 TransitionsBefore, 170 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.1ms, 240 PlacesBefore, 239 PlacesAfterwards, 176 TransitionsBefore, 176 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.7ms, 251 PlacesBefore, 250 PlacesAfterwards, 182 TransitionsBefore, 182 TransitionsAfterwards, 88 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.7ms, 254 PlacesBefore, 253 PlacesAfterwards, 184 TransitionsBefore, 184 TransitionsAfterwards, 88 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 50). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 14 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 7.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 882309.5ms, OverallIterations: 85, TraceHistogramMax: 4, EmptinessCheckTime: 0.0ms, AutomataDifference: 19296.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 301.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 267 SDtfs, 677 SDslu, 68 SDs, 0 SdLazy, 12731 SolverSat, 466 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5881.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1691 GetRequests, 340 SyntacticMatches, 68 SemanticMatches, 1283 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3670 ImplicationChecksByTransitivity, 21050.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2032occurred in iteration=83, InterpolantAutomatonStates: 832, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 245.8ms SsaConstructionTime, 757.1ms SatisfiabilityAnalysisTime, 18289.2ms InterpolantComputationTime, 1928 NumberOfCodeBlocks, 1928 NumberOfCodeBlocksAsserted, 257 NumberOfCheckSat, 1761 ConstructedInterpolants, 0 QuantifiedInterpolants, 37653 SizeOfPredicates, 316 NumberOfNonLiveVariables, 4053 ConjunctsInSsa, 1975 ConjunctsInUnsatCore, 167 InterpolantComputations, 1 PerfectInterpolantSequences, 0/950 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown