/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-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 12:08:51,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 12:08:51,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 12:08:51,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 12:08:51,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 12:08:51,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 12:08:51,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 12:08:51,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 12:08:51,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 12:08:51,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 12:08:51,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 12:08:51,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 12:08:51,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 12:08:51,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 12:08:51,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 12:08:51,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 12:08:51,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 12:08:51,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 12:08:51,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 12:08:51,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 12:08:51,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 12:08:51,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 12:08:51,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 12:08:51,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 12:08:51,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 12:08:51,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 12:08:51,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 12:08:51,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 12:08:51,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 12:08:51,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 12:08:51,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 12:08:51,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 12:08:51,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 12:08:51,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 12:08:51,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 12:08:51,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 12:08:51,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 12:08:51,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 12:08:51,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 12:08:51,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 12:08:51,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 12:08:51,282 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-RepeatedVariableLbe.epf [2021-03-25 12:08:51,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 12:08:51,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 12:08:51,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 12:08:51,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 12:08:51,297 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 12:08:51,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 12:08:51,297 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 12:08:51,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 12:08:51,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 12:08:51,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 12:08:51,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 12:08:51,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 12:08:51,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 12:08:51,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 12:08:51,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 12:08:51,298 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 12:08:51,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 12:08:51,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 12:08:51,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 12:08:51,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 12:08:51,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 12:08:51,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 12:08:51,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 12:08:51,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 12:08:51,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 12:08:51,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 12:08:51,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 12:08:51,300 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 12:08:51,300 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 12:08:51,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 12:08:51,301 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 12:08:51,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 12:08:51,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 12:08:51,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 12:08:51,537 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-25 12:08:51,537 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-25 12:08:51,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl [2021-03-25 12:08:51,844 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl' [2021-03-25 12:08:51,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 12:08:51,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-25 12:08:51,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 12:08:51,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 12:08:51,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 12:08:51,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:08:51" (1/1) ... [2021-03-25 12:08:51,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:08:51" (1/1) ... [2021-03-25 12:08:51,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 12:08:51,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 12:08:51,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 12:08:51,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 12:08:51,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:08:51" (1/1) ... [2021-03-25 12:08:51,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:08:51" (1/1) ... [2021-03-25 12:08:51,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:08:51" (1/1) ... [2021-03-25 12:08:51,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:08:51" (1/1) ... [2021-03-25 12:08:51,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:08:51" (1/1) ... [2021-03-25 12:08:51,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:08:51" (1/1) ... [2021-03-25 12:08:51,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:08:51" (1/1) ... [2021-03-25 12:08:51,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 12:08:51,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 12:08:51,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 12:08:51,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 12:08:51,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:08:51" (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 [2021-03-25 12:08:51,972 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-25 12:08:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-25 12:08:51,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-25 12:08:51,972 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-25 12:08:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-25 12:08:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-25 12:08:51,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-25 12:08:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 12:08:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 12:08:51,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-25 12:08:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-25 12:08:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-25 12:08:51,973 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-25 12:08:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-25 12:08:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-25 12:08:51,974 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 12:08:52,183 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 12:08:52,183 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-25 12:08:52,184 INFO L202 PluginConnector]: Adding new model counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 12:08:52 BoogieIcfgContainer [2021-03-25 12:08:52,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 12:08:52,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 12:08:52,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 12:08:52,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 12:08:52,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:08:51" (1/2) ... [2021-03-25 12:08:52,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7c961 and model type counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 12:08:52, skipping insertion in model container [2021-03-25 12:08:52,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 12:08:52" (2/2) ... [2021-03-25 12:08:52,189 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-add-4-semi-Q67.wvr.bpl [2021-03-25 12:08:52,193 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 12:08:52,195 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 12:08:52,195 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 12:08:52,225 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-25 12:08:52,236 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 12:08:52,248 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 12:08:52,249 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 12:08:52,249 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 12:08:52,249 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 12:08:52,249 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 12:08:52,249 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 12:08:52,249 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 12:08:52,249 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 12:08:52,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 35 transitions, 102 flow [2021-03-25 12:08:52,272 INFO L129 PetriNetUnfolder]: 4/31 cut-off events. [2021-03-25 12:08:52,272 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 12:08:52,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 31 events. 4/31 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 50 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2021-03-25 12:08:52,274 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 35 transitions, 102 flow [2021-03-25 12:08:52,277 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 38 places, 29 transitions, 82 flow [2021-03-25 12:08:52,278 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:52,284 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 29 transitions, 82 flow [2021-03-25 12:08:52,286 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 29 transitions, 82 flow [2021-03-25 12:08:52,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 29 transitions, 82 flow [2021-03-25 12:08:52,296 INFO L129 PetriNetUnfolder]: 4/29 cut-off events. [2021-03-25 12:08:52,296 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 12:08:52,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 29 events. 4/29 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 41 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2021-03-25 12:08:52,299 INFO L142 LiptonReduction]: Number of co-enabled transitions 288 [2021-03-25 12:08:52,580 INFO L154 LiptonReduction]: Checked pairs total: 120 [2021-03-25 12:08:52,580 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-25 12:08:52,582 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 305 [2021-03-25 12:08:52,588 INFO L129 PetriNetUnfolder]: 4/17 cut-off events. [2021-03-25 12:08:52,588 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 12:08:52,588 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:52,589 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:52,589 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:52,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:52,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1885452408, now seen corresponding path program 1 times [2021-03-25 12:08:52,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:52,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847757198] [2021-03-25 12:08:52,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:52,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:52,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:52,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847757198] [2021-03-25 12:08:52,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:08:52,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 12:08:52,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043511890] [2021-03-25 12:08:52,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 12:08:52,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:52,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 12:08:52,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 12:08:52,718 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 46 [2021-03-25 12:08:52,719 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 18 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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) [2021-03-25 12:08:52,719 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:52,719 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 46 [2021-03-25 12:08:52,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:52,734 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L57-1-->L57-1: Formula: (and (< v_j2_17 v_M2_4) (= v_counter_53 (+ v_counter_54 (- 1))) (< 0 v_counter_54) (= v_j2_16 (+ v_j2_17 1))) InVars {counter=v_counter_54, j2=v_j2_17, M2=v_M2_4} OutVars{counter=v_counter_53, j2=v_j2_16, M2=v_M2_4} AuxVars[] AssignedVars[counter, j2][14], [48#true, 20#L46-1true, 38#L57-1true, 23#L34-1true, thread3Thread1of1ForFork2InUse, thread4Thread1of1ForFork3InUse, 28#L23-1true, thread2Thread1of1ForFork1InUse, 14#L74true, thread1Thread1of1ForFork0InUse]) [2021-03-25 12:08:52,735 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 12:08:52,735 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 12:08:52,735 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 12:08:52,735 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 12:08:52,738 INFO L129 PetriNetUnfolder]: 17/43 cut-off events. [2021-03-25 12:08:52,738 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-03-25 12:08:52,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 43 events. 17/43 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 76 event pairs, 0 based on Foata normal form. 3/40 useless extension candidates. Maximal degree in co-relation 60. Up to 20 conditions per place. [2021-03-25 12:08:52,740 INFO L132 encePairwiseOnDemand]: 40/46 looper letters, 5 selfloop transitions, 3 changer transitions 0/20 dead transitions. [2021-03-25 12:08:52,740 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 20 transitions, 80 flow [2021-03-25 12:08:52,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 12:08:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 12:08:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 107 transitions. [2021-03-25 12:08:52,747 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7753623188405797 [2021-03-25 12:08:52,747 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 107 transitions. [2021-03-25 12:08:52,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 107 transitions. [2021-03-25 12:08:52,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:52,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 107 transitions. [2021-03-25 12:08:52,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 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) [2021-03-25 12:08:52,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:52,753 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 46.0) internal successors, (184), 4 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:52,754 INFO L185 Difference]: Start difference. First operand has 27 places, 18 transitions, 60 flow. Second operand 3 states and 107 transitions. [2021-03-25 12:08:52,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 20 transitions, 80 flow [2021-03-25 12:08:52,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 20 transitions, 64 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-25 12:08:52,758 INFO L241 Difference]: Finished difference. Result has 22 places, 20 transitions, 67 flow [2021-03-25 12:08:52,759 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=67, PETRI_PLACES=22, PETRI_TRANSITIONS=20} [2021-03-25 12:08:52,759 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -5 predicate places. [2021-03-25 12:08:52,759 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:52,759 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 20 transitions, 67 flow [2021-03-25 12:08:52,760 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 20 transitions, 67 flow [2021-03-25 12:08:52,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 20 transitions, 67 flow [2021-03-25 12:08:52,763 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L57-1-->L57-1: Formula: (and (< v_j2_17 v_M2_4) (= v_counter_53 (+ v_counter_54 (- 1))) (< 0 v_counter_54) (= v_j2_16 (+ v_j2_17 1))) InVars {counter=v_counter_54, j2=v_j2_17, M2=v_M2_4} OutVars{counter=v_counter_53, j2=v_j2_16, M2=v_M2_4} AuxVars[] AssignedVars[counter, j2][7], [48#true, 20#L46-1true, Black: 50#(= counter 0), 38#L57-1true, 23#L34-1true, 28#L23-1true, 14#L74true]) [2021-03-25 12:08:52,763 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 12:08:52,763 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 12:08:52,763 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 12:08:52,763 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 12:08:52,765 INFO L129 PetriNetUnfolder]: 17/43 cut-off events. [2021-03-25 12:08:52,766 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 12:08:52,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 43 events. 17/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 74 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 46. Up to 20 conditions per place. [2021-03-25 12:08:52,766 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-25 12:08:52,767 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:52,767 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:52,767 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-25 12:08:52,768 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 20 transitions, 67 flow [2021-03-25 12:08:52,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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) [2021-03-25 12:08:52,768 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:52,768 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:52,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 12:08:52,769 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:52,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:52,769 INFO L82 PathProgramCache]: Analyzing trace with hash 841972005, now seen corresponding path program 1 times [2021-03-25 12:08:52,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:52,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823009206] [2021-03-25 12:08:52,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:52,793 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:52,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:52,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:52,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:52,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:52,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:52,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:52,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823009206] [2021-03-25 12:08:52,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:08:52,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 12:08:52,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359397440] [2021-03-25 12:08:52,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 12:08:52,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:52,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 12:08:52,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 12:08:52,805 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-25 12:08:52,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 20 transitions, 67 flow. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:52,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:52,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-25 12:08:52,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:52,833 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L57-1-->L57-1: Formula: (and (< v_j2_17 v_M2_4) (= v_counter_53 (+ v_counter_54 (- 1))) (< 0 v_counter_54) (= v_j2_16 (+ v_j2_17 1))) InVars {counter=v_counter_54, j2=v_j2_17, M2=v_M2_4} OutVars{counter=v_counter_53, j2=v_j2_16, M2=v_M2_4} AuxVars[] AssignedVars[counter, j2][22], [48#true, 20#L46-1true, Black: 50#(= counter 0), 53#true, 38#L57-1true, 23#L34-1true, 28#L23-1true, 14#L74true]) [2021-03-25 12:08:52,833 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 12:08:52,833 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 12:08:52,833 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 12:08:52,834 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 12:08:52,838 INFO L129 PetriNetUnfolder]: 47/90 cut-off events. [2021-03-25 12:08:52,838 INFO L130 PetriNetUnfolder]: For 21/35 co-relation queries the response was YES. [2021-03-25 12:08:52,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 90 events. 47/90 cut-off events. For 21/35 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 208 event pairs, 0 based on Foata normal form. 7/88 useless extension candidates. Maximal degree in co-relation 152. Up to 48 conditions per place. [2021-03-25 12:08:52,839 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 7 selfloop transitions, 7 changer transitions 0/28 dead transitions. [2021-03-25 12:08:52,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 28 transitions, 117 flow [2021-03-25 12:08:52,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 12:08:52,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 12:08:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 170 transitions. [2021-03-25 12:08:52,841 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7391304347826086 [2021-03-25 12:08:52,841 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 170 transitions. [2021-03-25 12:08:52,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 170 transitions. [2021-03-25 12:08:52,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:52,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 170 transitions. [2021-03-25 12:08:52,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 34.0) internal successors, (170), 5 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) [2021-03-25 12:08:52,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:52,843 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:52,843 INFO L185 Difference]: Start difference. First operand has 22 places, 20 transitions, 67 flow. Second operand 5 states and 170 transitions. [2021-03-25 12:08:52,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 28 transitions, 117 flow [2021-03-25 12:08:52,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 28 transitions, 114 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 12:08:52,844 INFO L241 Difference]: Finished difference. Result has 27 places, 25 transitions, 112 flow [2021-03-25 12:08:52,844 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=112, PETRI_PLACES=27, PETRI_TRANSITIONS=25} [2021-03-25 12:08:52,845 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2021-03-25 12:08:52,845 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:52,845 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 25 transitions, 112 flow [2021-03-25 12:08:52,845 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 25 transitions, 112 flow [2021-03-25 12:08:52,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 112 flow [2021-03-25 12:08:52,849 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L57-1-->L57-1: Formula: (and (< v_j2_17 v_M2_4) (= v_counter_53 (+ v_counter_54 (- 1))) (< 0 v_counter_54) (= v_j2_16 (+ v_j2_17 1))) InVars {counter=v_counter_54, j2=v_j2_17, M2=v_M2_4} OutVars{counter=v_counter_53, j2=v_j2_16, M2=v_M2_4} AuxVars[] AssignedVars[counter, j2][16], [20#L46-1true, Black: 50#(= counter 0), 53#true, 38#L57-1true, 23#L34-1true, Black: 55#(and (= i2 i1) (= N2 N1)), 28#L23-1true, Black: 58#(and (<= N1 i1) (= i2 i1) (= N2 N1)), 14#L74true]) [2021-03-25 12:08:52,849 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-25 12:08:52,849 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 12:08:52,849 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 12:08:52,849 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 12:08:52,851 INFO L129 PetriNetUnfolder]: 31/69 cut-off events. [2021-03-25 12:08:52,851 INFO L130 PetriNetUnfolder]: For 26/39 co-relation queries the response was YES. [2021-03-25 12:08:52,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 69 events. 31/69 cut-off events. For 26/39 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 157 event pairs, 0 based on Foata normal form. 4/68 useless extension candidates. Maximal degree in co-relation 125. Up to 35 conditions per place. [2021-03-25 12:08:52,852 INFO L142 LiptonReduction]: Number of co-enabled transitions 158 [2021-03-25 12:08:52,853 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:52,853 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:52,853 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-25 12:08:52,854 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 25 transitions, 112 flow [2021-03-25 12:08:52,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:52,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:52,854 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:52,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 12:08:52,855 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:52,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:52,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1197046401, now seen corresponding path program 1 times [2021-03-25 12:08:52,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:52,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005682160] [2021-03-25 12:08:52,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:52,875 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 12:08:52,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:52,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:52,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:52,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:52,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:52,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:52,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005682160] [2021-03-25 12:08:52,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:08:52,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 12:08:52,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153260185] [2021-03-25 12:08:52,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 12:08:52,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:52,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 12:08:52,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 12:08:52,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-25 12:08:52,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 25 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:52,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:52,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-25 12:08:52,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:52,919 INFO L129 PetriNetUnfolder]: 54/106 cut-off events. [2021-03-25 12:08:52,919 INFO L130 PetriNetUnfolder]: For 66/94 co-relation queries the response was YES. [2021-03-25 12:08:52,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 106 events. 54/106 cut-off events. For 66/94 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 274 event pairs, 3 based on Foata normal form. 10/105 useless extension candidates. Maximal degree in co-relation 232. Up to 54 conditions per place. [2021-03-25 12:08:52,921 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 6 selfloop transitions, 6 changer transitions 0/31 dead transitions. [2021-03-25 12:08:52,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 31 transitions, 152 flow [2021-03-25 12:08:52,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 12:08:52,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 12:08:52,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 137 transitions. [2021-03-25 12:08:52,922 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7445652173913043 [2021-03-25 12:08:52,922 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 137 transitions. [2021-03-25 12:08:52,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 137 transitions. [2021-03-25 12:08:52,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:52,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 137 transitions. [2021-03-25 12:08:52,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 34.25) internal successors, (137), 4 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) [2021-03-25 12:08:52,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:52,923 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:52,924 INFO L185 Difference]: Start difference. First operand has 27 places, 25 transitions, 112 flow. Second operand 4 states and 137 transitions. [2021-03-25 12:08:52,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 31 transitions, 152 flow [2021-03-25 12:08:52,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 31 transitions, 152 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 12:08:52,925 INFO L241 Difference]: Finished difference. Result has 32 places, 29 transitions, 156 flow [2021-03-25 12:08:52,925 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=156, PETRI_PLACES=32, PETRI_TRANSITIONS=29} [2021-03-25 12:08:52,925 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 5 predicate places. [2021-03-25 12:08:52,925 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:52,925 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 29 transitions, 156 flow [2021-03-25 12:08:52,926 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 29 transitions, 156 flow [2021-03-25 12:08:52,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 29 transitions, 156 flow [2021-03-25 12:08:52,932 INFO L129 PetriNetUnfolder]: 48/101 cut-off events. [2021-03-25 12:08:52,932 INFO L130 PetriNetUnfolder]: For 82/99 co-relation queries the response was YES. [2021-03-25 12:08:52,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 101 events. 48/101 cut-off events. For 82/99 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 291 event pairs, 3 based on Foata normal form. 6/95 useless extension candidates. Maximal degree in co-relation 238. Up to 49 conditions per place. [2021-03-25 12:08:52,933 INFO L142 LiptonReduction]: Number of co-enabled transitions 210 [2021-03-25 12:08:52,935 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:52,935 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:52,935 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 12:08:52,935 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 29 transitions, 156 flow [2021-03-25 12:08:52,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:52,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:52,936 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:52,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 12:08:52,936 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:52,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:52,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1490891839, now seen corresponding path program 2 times [2021-03-25 12:08:52,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:52,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287817541] [2021-03-25 12:08:52,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:52,952 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:52,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:52,956 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:52,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:52,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:52,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:52,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:52,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:52,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287817541] [2021-03-25 12:08:52,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299077590] [2021-03-25 12:08:52,971 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 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 [2021-03-25 12:08:53,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:08:53,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:53,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 12:08:53,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:53,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:53,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:08:53,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:53,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:53,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:53,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:53,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:53,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:53,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:53,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:53,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:53,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:53,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:53,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:53,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:53,136 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:53,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:53,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:53,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-03-25 12:08:53,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497599507] [2021-03-25 12:08:53,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 12:08:53,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:53,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 12:08:53,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 12:08:53,167 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-25 12:08:53,167 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 29 transitions, 156 flow. Second operand has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,167 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:53,167 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-25 12:08:53,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:53,216 INFO L129 PetriNetUnfolder]: 48/102 cut-off events. [2021-03-25 12:08:53,216 INFO L130 PetriNetUnfolder]: For 143/201 co-relation queries the response was YES. [2021-03-25 12:08:53,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 102 events. 48/102 cut-off events. For 143/201 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 264 event pairs, 1 based on Foata normal form. 14/105 useless extension candidates. Maximal degree in co-relation 298. Up to 54 conditions per place. [2021-03-25 12:08:53,218 INFO L132 encePairwiseOnDemand]: 42/46 looper letters, 10 selfloop transitions, 5 changer transitions 0/34 dead transitions. [2021-03-25 12:08:53,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 34 transitions, 214 flow [2021-03-25 12:08:53,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 12:08:53,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 12:08:53,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 137 transitions. [2021-03-25 12:08:53,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7445652173913043 [2021-03-25 12:08:53,221 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 137 transitions. [2021-03-25 12:08:53,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 137 transitions. [2021-03-25 12:08:53,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:53,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 137 transitions. [2021-03-25 12:08:53,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 34.25) internal successors, (137), 4 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) [2021-03-25 12:08:53,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,224 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,224 INFO L185 Difference]: Start difference. First operand has 32 places, 29 transitions, 156 flow. Second operand 4 states and 137 transitions. [2021-03-25 12:08:53,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 34 transitions, 214 flow [2021-03-25 12:08:53,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 34 transitions, 210 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 12:08:53,228 INFO L241 Difference]: Finished difference. Result has 35 places, 30 transitions, 177 flow [2021-03-25 12:08:53,228 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=177, PETRI_PLACES=35, PETRI_TRANSITIONS=30} [2021-03-25 12:08:53,229 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 8 predicate places. [2021-03-25 12:08:53,229 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:53,229 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 30 transitions, 177 flow [2021-03-25 12:08:53,231 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 30 transitions, 177 flow [2021-03-25 12:08:53,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 30 transitions, 177 flow [2021-03-25 12:08:53,246 INFO L129 PetriNetUnfolder]: 43/99 cut-off events. [2021-03-25 12:08:53,246 INFO L130 PetriNetUnfolder]: For 122/140 co-relation queries the response was YES. [2021-03-25 12:08:53,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 99 events. 43/99 cut-off events. For 122/140 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 298 event pairs, 3 based on Foata normal form. 6/95 useless extension candidates. Maximal degree in co-relation 251. Up to 48 conditions per place. [2021-03-25 12:08:53,247 INFO L142 LiptonReduction]: Number of co-enabled transitions 226 [2021-03-25 12:08:53,254 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:53,255 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:53,255 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-25 12:08:53,255 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 177 flow [2021-03-25 12:08:53,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,255 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:53,255 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:53,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:53,456 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:53,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:53,457 INFO L82 PathProgramCache]: Analyzing trace with hash 849657855, now seen corresponding path program 2 times [2021-03-25 12:08:53,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:53,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886160499] [2021-03-25 12:08:53,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:53,479 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-25 12:08:53,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:53,487 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-25 12:08:53,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:53,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:53,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886160499] [2021-03-25 12:08:53,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:08:53,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 12:08:53,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917781998] [2021-03-25 12:08:53,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 12:08:53,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:53,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 12:08:53,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 12:08:53,500 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 46 [2021-03-25 12:08:53,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 177 flow. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 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) [2021-03-25 12:08:53,501 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:53,501 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 46 [2021-03-25 12:08:53,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:53,543 INFO L129 PetriNetUnfolder]: 140/278 cut-off events. [2021-03-25 12:08:53,543 INFO L130 PetriNetUnfolder]: For 685/764 co-relation queries the response was YES. [2021-03-25 12:08:53,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 278 events. 140/278 cut-off events. For 685/764 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1242 event pairs, 10 based on Foata normal form. 31/293 useless extension candidates. Maximal degree in co-relation 855. Up to 104 conditions per place. [2021-03-25 12:08:53,545 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 21 selfloop transitions, 6 changer transitions 10/50 dead transitions. [2021-03-25 12:08:53,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 50 transitions, 377 flow [2021-03-25 12:08:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 12:08:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 12:08:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 156 transitions. [2021-03-25 12:08:53,546 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6782608695652174 [2021-03-25 12:08:53,547 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 156 transitions. [2021-03-25 12:08:53,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 156 transitions. [2021-03-25 12:08:53,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:53,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 156 transitions. [2021-03-25 12:08:53,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,548 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,548 INFO L185 Difference]: Start difference. First operand has 35 places, 30 transitions, 177 flow. Second operand 5 states and 156 transitions. [2021-03-25 12:08:53,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 50 transitions, 377 flow [2021-03-25 12:08:53,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 50 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 12:08:53,550 INFO L241 Difference]: Finished difference. Result has 38 places, 30 transitions, 189 flow [2021-03-25 12:08:53,550 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=189, PETRI_PLACES=38, PETRI_TRANSITIONS=30} [2021-03-25 12:08:53,550 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 11 predicate places. [2021-03-25 12:08:53,550 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:53,550 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 30 transitions, 189 flow [2021-03-25 12:08:53,550 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 30 transitions, 189 flow [2021-03-25 12:08:53,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 30 transitions, 189 flow [2021-03-25 12:08:53,555 INFO L129 PetriNetUnfolder]: 43/97 cut-off events. [2021-03-25 12:08:53,555 INFO L130 PetriNetUnfolder]: For 127/141 co-relation queries the response was YES. [2021-03-25 12:08:53,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 97 events. 43/97 cut-off events. For 127/141 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 290 event pairs, 3 based on Foata normal form. 6/94 useless extension candidates. Maximal degree in co-relation 262. Up to 48 conditions per place. [2021-03-25 12:08:53,556 INFO L142 LiptonReduction]: Number of co-enabled transitions 194 [2021-03-25 12:08:53,558 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:53,558 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:53,558 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-25 12:08:53,558 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 189 flow [2021-03-25 12:08:53,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 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) [2021-03-25 12:08:53,558 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:53,558 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:53,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 12:08:53,559 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:53,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:53,559 INFO L82 PathProgramCache]: Analyzing trace with hash 926599219, now seen corresponding path program 3 times [2021-03-25 12:08:53,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:53,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223409250] [2021-03-25 12:08:53,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:53,583 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:53,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,588 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:53,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:53,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:53,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223409250] [2021-03-25 12:08:53,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 12:08:53,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 12:08:53,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117007486] [2021-03-25 12:08:53,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 12:08:53,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:53,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 12:08:53,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 12:08:53,594 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-25 12:08:53,594 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 189 flow. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,594 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:53,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-25 12:08:53,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:53,622 INFO L129 PetriNetUnfolder]: 98/170 cut-off events. [2021-03-25 12:08:53,622 INFO L130 PetriNetUnfolder]: For 451/485 co-relation queries the response was YES. [2021-03-25 12:08:53,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 170 events. 98/170 cut-off events. For 451/485 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 501 event pairs, 18 based on Foata normal form. 18/172 useless extension candidates. Maximal degree in co-relation 634. Up to 96 conditions per place. [2021-03-25 12:08:53,638 INFO L132 encePairwiseOnDemand]: 42/46 looper letters, 9 selfloop transitions, 5 changer transitions 0/32 dead transitions. [2021-03-25 12:08:53,638 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 32 transitions, 231 flow [2021-03-25 12:08:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 12:08:53,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 12:08:53,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 135 transitions. [2021-03-25 12:08:53,639 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7336956521739131 [2021-03-25 12:08:53,639 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 135 transitions. [2021-03-25 12:08:53,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 135 transitions. [2021-03-25 12:08:53,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:53,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 135 transitions. [2021-03-25 12:08:53,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,640 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,640 INFO L185 Difference]: Start difference. First operand has 37 places, 30 transitions, 189 flow. Second operand 4 states and 135 transitions. [2021-03-25 12:08:53,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 32 transitions, 231 flow [2021-03-25 12:08:53,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 32 transitions, 226 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-25 12:08:53,642 INFO L241 Difference]: Finished difference. Result has 40 places, 30 transitions, 201 flow [2021-03-25 12:08:53,642 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=201, PETRI_PLACES=40, PETRI_TRANSITIONS=30} [2021-03-25 12:08:53,642 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 13 predicate places. [2021-03-25 12:08:53,642 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:53,642 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 30 transitions, 201 flow [2021-03-25 12:08:53,642 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 30 transitions, 201 flow [2021-03-25 12:08:53,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 30 transitions, 201 flow [2021-03-25 12:08:53,652 INFO L129 PetriNetUnfolder]: 51/111 cut-off events. [2021-03-25 12:08:53,652 INFO L130 PetriNetUnfolder]: For 191/206 co-relation queries the response was YES. [2021-03-25 12:08:53,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 111 events. 51/111 cut-off events. For 191/206 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 339 event pairs, 5 based on Foata normal form. 6/107 useless extension candidates. Maximal degree in co-relation 333. Up to 58 conditions per place. [2021-03-25 12:08:53,653 INFO L142 LiptonReduction]: Number of co-enabled transitions 188 [2021-03-25 12:08:53,655 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:53,655 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:53,655 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-25 12:08:53,656 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 30 transitions, 201 flow [2021-03-25 12:08:53,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,656 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:53,656 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:53,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 12:08:53,657 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:53,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:53,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1360638997, now seen corresponding path program 1 times [2021-03-25 12:08:53,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:53,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987338755] [2021-03-25 12:08:53,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:53,688 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:53,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:53,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:53,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987338755] [2021-03-25 12:08:53,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586132974] [2021-03-25 12:08:53,696 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 [2021-03-25 12:08:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:53,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-25 12:08:53,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:53,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:53,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:53,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:53,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:53,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:53,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:53,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:53,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:53,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:08:53,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 12:08:53,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-03-25 12:08:53,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086779238] [2021-03-25 12:08:53,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 12:08:53,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:53,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 12:08:53,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-25 12:08:53,793 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-25 12:08:53,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 30 transitions, 201 flow. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:53,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-25 12:08:53,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:53,818 INFO L129 PetriNetUnfolder]: 107/168 cut-off events. [2021-03-25 12:08:53,818 INFO L130 PetriNetUnfolder]: For 666/701 co-relation queries the response was YES. [2021-03-25 12:08:53,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 168 events. 107/168 cut-off events. For 666/701 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 437 event pairs, 24 based on Foata normal form. 19/164 useless extension candidates. Maximal degree in co-relation 748. Up to 106 conditions per place. [2021-03-25 12:08:53,819 INFO L132 encePairwiseOnDemand]: 42/46 looper letters, 8 selfloop transitions, 5 changer transitions 0/31 dead transitions. [2021-03-25 12:08:53,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 31 transitions, 239 flow [2021-03-25 12:08:53,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 12:08:53,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 12:08:53,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 135 transitions. [2021-03-25 12:08:53,820 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7336956521739131 [2021-03-25 12:08:53,820 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 135 transitions. [2021-03-25 12:08:53,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 135 transitions. [2021-03-25 12:08:53,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:53,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 135 transitions. [2021-03-25 12:08:53,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,821 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,821 INFO L185 Difference]: Start difference. First operand has 40 places, 30 transitions, 201 flow. Second operand 4 states and 135 transitions. [2021-03-25 12:08:53,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 31 transitions, 239 flow [2021-03-25 12:08:53,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 31 transitions, 228 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 12:08:53,823 INFO L241 Difference]: Finished difference. Result has 41 places, 29 transitions, 201 flow [2021-03-25 12:08:53,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=201, PETRI_PLACES=41, PETRI_TRANSITIONS=29} [2021-03-25 12:08:53,823 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 14 predicate places. [2021-03-25 12:08:53,823 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:53,823 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 29 transitions, 201 flow [2021-03-25 12:08:53,823 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 29 transitions, 201 flow [2021-03-25 12:08:53,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 29 transitions, 201 flow [2021-03-25 12:08:53,829 INFO L129 PetriNetUnfolder]: 71/125 cut-off events. [2021-03-25 12:08:53,829 INFO L130 PetriNetUnfolder]: For 345/385 co-relation queries the response was YES. [2021-03-25 12:08:53,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 125 events. 71/125 cut-off events. For 345/385 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 323 event pairs, 7 based on Foata normal form. 6/116 useless extension candidates. Maximal degree in co-relation 476. Up to 80 conditions per place. [2021-03-25 12:08:53,830 INFO L142 LiptonReduction]: Number of co-enabled transitions 170 [2021-03-25 12:08:53,832 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:53,832 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:53,832 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-25 12:08:53,832 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 29 transitions, 201 flow [2021-03-25 12:08:53,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:53,832 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:53,832 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:54,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:54,049 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:54,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:54,050 INFO L82 PathProgramCache]: Analyzing trace with hash 119423642, now seen corresponding path program 1 times [2021-03-25 12:08:54,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:54,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174445367] [2021-03-25 12:08:54,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:54,066 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-25 12:08:54,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:54,071 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-25 12:08:54,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,075 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:54,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:54,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:08:54,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174445367] [2021-03-25 12:08:54,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329000802] [2021-03-25 12:08:54,085 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 [2021-03-25 12:08:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:54,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-25 12:08:54,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:54,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:54,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:54,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:54,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:54,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:54,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:54,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:54,152 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-25 12:08:54,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:54,160 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-25 12:08:54,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:54,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 6 [2021-03-25 12:08:54,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342527953] [2021-03-25 12:08:54,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 12:08:54,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:54,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 12:08:54,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 12:08:54,161 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 46 [2021-03-25 12:08:54,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 29 transitions, 201 flow. Second operand has 7 states, 7 states have (on average 27.571428571428573) internal successors, (193), 7 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:54,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:54,161 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 46 [2021-03-25 12:08:54,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:54,229 INFO L129 PetriNetUnfolder]: 195/295 cut-off events. [2021-03-25 12:08:54,229 INFO L130 PetriNetUnfolder]: For 1125/1171 co-relation queries the response was YES. [2021-03-25 12:08:54,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1415 conditions, 295 events. 195/295 cut-off events. For 1125/1171 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 965 event pairs, 29 based on Foata normal form. 31/313 useless extension candidates. Maximal degree in co-relation 1370. Up to 176 conditions per place. [2021-03-25 12:08:54,231 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 17 selfloop transitions, 7 changer transitions 3/41 dead transitions. [2021-03-25 12:08:54,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 41 transitions, 351 flow [2021-03-25 12:08:54,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 12:08:54,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 12:08:54,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 122 transitions. [2021-03-25 12:08:54,232 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6630434782608695 [2021-03-25 12:08:54,232 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 122 transitions. [2021-03-25 12:08:54,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 122 transitions. [2021-03-25 12:08:54,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:54,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 122 transitions. [2021-03-25 12:08:54,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 30.5) internal successors, (122), 4 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) [2021-03-25 12:08:54,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:54,233 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:54,233 INFO L185 Difference]: Start difference. First operand has 41 places, 29 transitions, 201 flow. Second operand 4 states and 122 transitions. [2021-03-25 12:08:54,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 41 transitions, 351 flow [2021-03-25 12:08:54,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 41 transitions, 337 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-25 12:08:54,235 INFO L241 Difference]: Finished difference. Result has 44 places, 32 transitions, 250 flow [2021-03-25 12:08:54,235 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=250, PETRI_PLACES=44, PETRI_TRANSITIONS=32} [2021-03-25 12:08:54,235 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 17 predicate places. [2021-03-25 12:08:54,235 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:54,235 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 32 transitions, 250 flow [2021-03-25 12:08:54,236 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 32 transitions, 250 flow [2021-03-25 12:08:54,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 32 transitions, 250 flow [2021-03-25 12:08:54,243 INFO L129 PetriNetUnfolder]: 78/139 cut-off events. [2021-03-25 12:08:54,243 INFO L130 PetriNetUnfolder]: For 450/501 co-relation queries the response was YES. [2021-03-25 12:08:54,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 139 events. 78/139 cut-off events. For 450/501 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 377 event pairs, 12 based on Foata normal form. 9/136 useless extension candidates. Maximal degree in co-relation 562. Up to 89 conditions per place. [2021-03-25 12:08:54,245 INFO L142 LiptonReduction]: Number of co-enabled transitions 164 [2021-03-25 12:08:54,246 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:54,246 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:54,246 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-25 12:08:54,247 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 32 transitions, 250 flow [2021-03-25 12:08:54,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 27.571428571428573) internal successors, (193), 7 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:54,247 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:54,247 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:54,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:54,464 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:54,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:54,464 INFO L82 PathProgramCache]: Analyzing trace with hash 980800168, now seen corresponding path program 1 times [2021-03-25 12:08:54,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:54,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240214927] [2021-03-25 12:08:54,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:54,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,504 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-25 12:08:54,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:54,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:54,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240214927] [2021-03-25 12:08:54,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185783924] [2021-03-25 12:08:54,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-25 12:08:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:54,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:08:54,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:54,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:54,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:54,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:54,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:54,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:54,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:54,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:54,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:54,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:54,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:54,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:54,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:54,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:54,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:54,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:54,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:54,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:54,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:54,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:54,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:54,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:54,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:54,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:54,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:54,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:54,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 6 [2021-03-25 12:08:54,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324490241] [2021-03-25 12:08:54,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 12:08:54,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:54,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 12:08:54,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-03-25 12:08:54,623 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 46 [2021-03-25 12:08:54,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 32 transitions, 250 flow. Second operand has 8 states, 8 states have (on average 33.375) internal successors, (267), 8 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:54,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:54,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 46 [2021-03-25 12:08:54,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:54,694 INFO L129 PetriNetUnfolder]: 271/496 cut-off events. [2021-03-25 12:08:54,694 INFO L130 PetriNetUnfolder]: For 1906/2137 co-relation queries the response was YES. [2021-03-25 12:08:54,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2401 conditions, 496 events. 271/496 cut-off events. For 1906/2137 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2233 event pairs, 42 based on Foata normal form. 58/523 useless extension candidates. Maximal degree in co-relation 2304. Up to 308 conditions per place. [2021-03-25 12:08:54,698 INFO L132 encePairwiseOnDemand]: 40/46 looper letters, 18 selfloop transitions, 39 changer transitions 0/70 dead transitions. [2021-03-25 12:08:54,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 70 transitions, 727 flow [2021-03-25 12:08:54,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 12:08:54,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 12:08:54,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2021-03-25 12:08:54,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7869565217391304 [2021-03-25 12:08:54,699 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 181 transitions. [2021-03-25 12:08:54,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 181 transitions. [2021-03-25 12:08:54,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:54,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 181 transitions. [2021-03-25 12:08:54,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.2) internal successors, (181), 5 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) [2021-03-25 12:08:54,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:54,700 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:54,700 INFO L185 Difference]: Start difference. First operand has 43 places, 32 transitions, 250 flow. Second operand 5 states and 181 transitions. [2021-03-25 12:08:54,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 70 transitions, 727 flow [2021-03-25 12:08:54,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 70 transitions, 678 flow, removed 18 selfloop flow, removed 3 redundant places. [2021-03-25 12:08:54,704 INFO L241 Difference]: Finished difference. Result has 45 places, 68 transitions, 687 flow [2021-03-25 12:08:54,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=687, PETRI_PLACES=45, PETRI_TRANSITIONS=68} [2021-03-25 12:08:54,704 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 18 predicate places. [2021-03-25 12:08:54,704 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:54,704 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 68 transitions, 687 flow [2021-03-25 12:08:54,704 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 68 transitions, 687 flow [2021-03-25 12:08:54,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 68 transitions, 687 flow [2021-03-25 12:08:54,728 INFO L129 PetriNetUnfolder]: 288/510 cut-off events. [2021-03-25 12:08:54,728 INFO L130 PetriNetUnfolder]: For 1453/1631 co-relation queries the response was YES. [2021-03-25 12:08:54,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2275 conditions, 510 events. 288/510 cut-off events. For 1453/1631 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2408 event pairs, 48 based on Foata normal form. 7/467 useless extension candidates. Maximal degree in co-relation 2183. Up to 317 conditions per place. [2021-03-25 12:08:54,732 INFO L142 LiptonReduction]: Number of co-enabled transitions 438 [2021-03-25 12:08:54,736 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:54,736 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:54,736 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-03-25 12:08:54,737 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 68 transitions, 687 flow [2021-03-25 12:08:54,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 33.375) internal successors, (267), 8 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:54,737 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:54,737 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:54,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:54,953 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:54,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:54,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1374283109, now seen corresponding path program 2 times [2021-03-25 12:08:54,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:54,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573399943] [2021-03-25 12:08:54,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:54,980 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:54,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,984 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:54,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:54,990 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-25 12:08:54,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:54,996 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:54,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:55,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:08:55,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573399943] [2021-03-25 12:08:55,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081999303] [2021-03-25 12:08:55,003 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-25 12:08:55,041 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 12:08:55,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:55,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 12:08:55,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:55,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:55,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:55,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:55,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:55,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:55,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:55,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:55,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:55,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:55,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:55,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:55,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:55,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:55,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:55,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:55,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:55,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:55,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:08:55,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:55,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:55,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:55,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:55,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:55,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:55,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:55,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:55,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:55,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:55,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-25 12:08:55,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:55,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-25 12:08:55,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891912489] [2021-03-25 12:08:55,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:08:55,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:55,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:08:55,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:08:55,128 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 46 [2021-03-25 12:08:55,128 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 68 transitions, 687 flow. Second operand has 9 states, 9 states have (on average 27.77777777777778) internal successors, (250), 9 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:55,128 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:55,128 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 46 [2021-03-25 12:08:55,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:55,538 INFO L129 PetriNetUnfolder]: 2095/3383 cut-off events. [2021-03-25 12:08:55,538 INFO L130 PetriNetUnfolder]: For 15015/15431 co-relation queries the response was YES. [2021-03-25 12:08:55,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17315 conditions, 3383 events. 2095/3383 cut-off events. For 15015/15431 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 20225 event pairs, 264 based on Foata normal form. 182/3337 useless extension candidates. Maximal degree in co-relation 16943. Up to 1904 conditions per place. [2021-03-25 12:08:55,568 INFO L132 encePairwiseOnDemand]: 40/46 looper letters, 67 selfloop transitions, 105 changer transitions 1/195 dead transitions. [2021-03-25 12:08:55,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 195 transitions, 2397 flow [2021-03-25 12:08:55,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 12:08:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 12:08:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 375 transitions. [2021-03-25 12:08:55,569 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6793478260869565 [2021-03-25 12:08:55,569 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 375 transitions. [2021-03-25 12:08:55,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 375 transitions. [2021-03-25 12:08:55,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:55,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 375 transitions. [2021-03-25 12:08:55,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 31.25) internal successors, (375), 12 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:55,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 46.0) internal successors, (598), 13 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:55,572 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 46.0) internal successors, (598), 13 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:55,572 INFO L185 Difference]: Start difference. First operand has 45 places, 68 transitions, 687 flow. Second operand 12 states and 375 transitions. [2021-03-25 12:08:55,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 195 transitions, 2397 flow [2021-03-25 12:08:55,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 195 transitions, 2131 flow, removed 133 selfloop flow, removed 0 redundant places. [2021-03-25 12:08:55,584 INFO L241 Difference]: Finished difference. Result has 64 places, 172 transitions, 2108 flow [2021-03-25 12:08:55,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2108, PETRI_PLACES=64, PETRI_TRANSITIONS=172} [2021-03-25 12:08:55,585 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 37 predicate places. [2021-03-25 12:08:55,585 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:55,585 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 172 transitions, 2108 flow [2021-03-25 12:08:55,585 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 172 transitions, 2108 flow [2021-03-25 12:08:55,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 172 transitions, 2108 flow [2021-03-25 12:08:55,717 INFO L129 PetriNetUnfolder]: 946/1849 cut-off events. [2021-03-25 12:08:55,717 INFO L130 PetriNetUnfolder]: For 9121/9634 co-relation queries the response was YES. [2021-03-25 12:08:55,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9045 conditions, 1849 events. 946/1849 cut-off events. For 9121/9634 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 12795 event pairs, 189 based on Foata normal form. 7/1710 useless extension candidates. Maximal degree in co-relation 8646. Up to 791 conditions per place. [2021-03-25 12:08:55,739 INFO L142 LiptonReduction]: Number of co-enabled transitions 1190 [2021-03-25 12:08:55,765 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:55,765 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:55,766 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 181 [2021-03-25 12:08:55,766 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 172 transitions, 2108 flow [2021-03-25 12:08:55,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 27.77777777777778) internal successors, (250), 9 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:55,767 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:55,767 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:55,981 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-25 12:08:55,981 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:55,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:55,981 INFO L82 PathProgramCache]: Analyzing trace with hash 665674093, now seen corresponding path program 3 times [2021-03-25 12:08:55,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:55,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714728115] [2021-03-25 12:08:55,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:56,003 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-25 12:08:56,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:08:56,008 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-25 12:08:56,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:56,013 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-25 12:08:56,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:56,019 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:56,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:56,025 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:56,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:56,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,031 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:08:56,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714728115] [2021-03-25 12:08:56,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83156998] [2021-03-25 12:08:56,032 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 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 [2021-03-25 12:08:56,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 12:08:56,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:56,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 12:08:56,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:56,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:56,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:56,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:56,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:56,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:56,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:56,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:56,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:56,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:56,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:56,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:56,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:56,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:56,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:56,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:56,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:56,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 12:08:56,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:56,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:56,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:56,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:56,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:56,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:56,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:56,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:56,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:56,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:56,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:56,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:56,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:56,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:56,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:56,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:56,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:56,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:56,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-25 12:08:56,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:56,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-03-25 12:08:56,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147437110] [2021-03-25 12:08:56,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 12:08:56,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:56,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 12:08:56,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-25 12:08:56,127 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 46 [2021-03-25 12:08:56,127 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 172 transitions, 2108 flow. Second operand has 11 states, 11 states have (on average 27.454545454545453) internal successors, (302), 11 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:56,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:56,127 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 46 [2021-03-25 12:08:56,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:08:57,708 INFO L129 PetriNetUnfolder]: 8046/13281 cut-off events. [2021-03-25 12:08:57,708 INFO L130 PetriNetUnfolder]: For 88776/89975 co-relation queries the response was YES. [2021-03-25 12:08:57,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76520 conditions, 13281 events. 8046/13281 cut-off events. For 88776/89975 co-relation queries the response was YES. Maximal size of possible extension queue 1031. Compared 100111 event pairs, 1023 based on Foata normal form. 1391/14134 useless extension candidates. Maximal degree in co-relation 75001. Up to 5457 conditions per place. [2021-03-25 12:08:57,853 INFO L132 encePairwiseOnDemand]: 39/46 looper letters, 277 selfloop transitions, 369 changer transitions 0/717 dead transitions. [2021-03-25 12:08:57,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 717 transitions, 10432 flow [2021-03-25 12:08:57,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-25 12:08:57,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-25 12:08:57,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 653 transitions. [2021-03-25 12:08:57,855 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6759834368530021 [2021-03-25 12:08:57,856 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 653 transitions. [2021-03-25 12:08:57,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 653 transitions. [2021-03-25 12:08:57,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:08:57,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 653 transitions. [2021-03-25 12:08:57,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 31.095238095238095) internal successors, (653), 21 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:57,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 46.0) internal successors, (1012), 22 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:57,859 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 46.0) internal successors, (1012), 22 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:57,859 INFO L185 Difference]: Start difference. First operand has 63 places, 172 transitions, 2108 flow. Second operand 21 states and 653 transitions. [2021-03-25 12:08:57,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 717 transitions, 10432 flow [2021-03-25 12:08:57,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 717 transitions, 9066 flow, removed 674 selfloop flow, removed 3 redundant places. [2021-03-25 12:08:57,999 INFO L241 Difference]: Finished difference. Result has 92 places, 587 transitions, 8119 flow [2021-03-25 12:08:57,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=1870, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=8119, PETRI_PLACES=92, PETRI_TRANSITIONS=587} [2021-03-25 12:08:58,000 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 65 predicate places. [2021-03-25 12:08:58,000 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:08:58,000 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 587 transitions, 8119 flow [2021-03-25 12:08:58,000 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 587 transitions, 8119 flow [2021-03-25 12:08:58,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 587 transitions, 8119 flow [2021-03-25 12:08:58,995 INFO L129 PetriNetUnfolder]: 4753/9295 cut-off events. [2021-03-25 12:08:58,996 INFO L130 PetriNetUnfolder]: For 98720/101846 co-relation queries the response was YES. [2021-03-25 12:08:59,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58649 conditions, 9295 events. 4753/9295 cut-off events. For 98720/101846 co-relation queries the response was YES. Maximal size of possible extension queue 960. Compared 84574 event pairs, 1088 based on Foata normal form. 401/8943 useless extension candidates. Maximal degree in co-relation 56822. Up to 3582 conditions per place. [2021-03-25 12:08:59,113 INFO L142 LiptonReduction]: Number of co-enabled transitions 2492 [2021-03-25 12:08:59,192 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:08:59,192 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:08:59,192 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1192 [2021-03-25 12:08:59,193 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 587 transitions, 8119 flow [2021-03-25 12:08:59,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 27.454545454545453) internal successors, (302), 11 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:59,193 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:08:59,193 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:08:59,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:08:59,410 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:08:59,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:08:59,410 INFO L82 PathProgramCache]: Analyzing trace with hash -900137069, now seen corresponding path program 4 times [2021-03-25 12:08:59,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:08:59,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359171523] [2021-03-25 12:08:59,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:08:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:08:59,436 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:08:59,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:59,440 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:08:59,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:59,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:59,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:59,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:08:59,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359171523] [2021-03-25 12:08:59,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525739465] [2021-03-25 12:08:59,451 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 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 [2021-03-25 12:08:59,520 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 12:08:59,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:08:59,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 12:08:59,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:08:59,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:59,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:59,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:59,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:59,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:59,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:59,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:59,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:08:59,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:59,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:59,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:59,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:59,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:59,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:08:59,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:59,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:59,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:59,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:59,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:59,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:59,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:59,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:59,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:59,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:08:59,564 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-25 12:08:59,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:59,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:59,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:59,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:08:59,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:59,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:59,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:59,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:59,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:59,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 12:08:59,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:59,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:59,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:59,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:08:59,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:08:59,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:08:59,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:59,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:59,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:59,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:59,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:59,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:59,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:59,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:59,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:59,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:08:59,579 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:08:59,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:08:59,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:08:59,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:08:59,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:08:59,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-25 12:08:59,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118713159] [2021-03-25 12:08:59,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 12:08:59,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:08:59,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 12:08:59,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-25 12:08:59,592 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-25 12:08:59,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 587 transitions, 8119 flow. Second operand has 8 states, 8 states have (on average 32.125) internal successors, (257), 8 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:08:59,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:08:59,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-25 12:08:59,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:09:02,683 INFO L129 PetriNetUnfolder]: 12837/22486 cut-off events. [2021-03-25 12:09:02,684 INFO L130 PetriNetUnfolder]: For 261618/268800 co-relation queries the response was YES. [2021-03-25 12:09:02,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155899 conditions, 22486 events. 12837/22486 cut-off events. For 261618/268800 co-relation queries the response was YES. Maximal size of possible extension queue 1981. Compared 202616 event pairs, 2590 based on Foata normal form. 1062/21820 useless extension candidates. Maximal degree in co-relation 152735. Up to 9959 conditions per place. [2021-03-25 12:09:02,886 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 843 selfloop transitions, 414 changer transitions 3/1498 dead transitions. [2021-03-25 12:09:02,886 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 1498 transitions, 23426 flow [2021-03-25 12:09:02,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 12:09:02,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 12:09:02,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 304 transitions. [2021-03-25 12:09:02,887 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7342995169082126 [2021-03-25 12:09:02,887 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 304 transitions. [2021-03-25 12:09:02,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 304 transitions. [2021-03-25 12:09:02,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:09:02,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 304 transitions. [2021-03-25 12:09:02,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 33.77777777777778) internal successors, (304), 9 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:02,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 46.0) internal successors, (460), 10 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:02,888 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 46.0) internal successors, (460), 10 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:02,889 INFO L185 Difference]: Start difference. First operand has 92 places, 587 transitions, 8119 flow. Second operand 9 states and 304 transitions. [2021-03-25 12:09:02,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 1498 transitions, 23426 flow [2021-03-25 12:09:03,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 1498 transitions, 22011 flow, removed 665 selfloop flow, removed 3 redundant places. [2021-03-25 12:09:03,670 INFO L241 Difference]: Finished difference. Result has 102 places, 996 transitions, 14980 flow [2021-03-25 12:09:03,671 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=7263, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14980, PETRI_PLACES=102, PETRI_TRANSITIONS=996} [2021-03-25 12:09:03,671 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 75 predicate places. [2021-03-25 12:09:03,671 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:09:03,671 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 996 transitions, 14980 flow [2021-03-25 12:09:03,671 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 996 transitions, 14980 flow [2021-03-25 12:09:03,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 996 transitions, 14980 flow [2021-03-25 12:09:06,287 INFO L129 PetriNetUnfolder]: 10910/20226 cut-off events. [2021-03-25 12:09:06,287 INFO L130 PetriNetUnfolder]: For 298381/308226 co-relation queries the response was YES. [2021-03-25 12:09:06,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142029 conditions, 20226 events. 10910/20226 cut-off events. For 298381/308226 co-relation queries the response was YES. Maximal size of possible extension queue 1901. Compared 193336 event pairs, 2394 based on Foata normal form. 1341/20242 useless extension candidates. Maximal degree in co-relation 138547. Up to 8441 conditions per place. [2021-03-25 12:09:06,654 INFO L142 LiptonReduction]: Number of co-enabled transitions 3916 [2021-03-25 12:09:06,780 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:09:06,781 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:09:06,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3110 [2021-03-25 12:09:06,781 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 996 transitions, 14980 flow [2021-03-25 12:09:06,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 32.125) internal successors, (257), 8 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:06,781 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:09:06,781 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:09:06,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:09:06,984 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:09:06,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:09:06,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1640175217, now seen corresponding path program 5 times [2021-03-25 12:09:06,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:09:06,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612783149] [2021-03-25 12:09:06,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:09:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:09:07,008 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-25 12:09:07,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:07,012 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-25 12:09:07,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:09:07,023 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-25 12:09:07,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:07,028 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-25 12:09:07,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:09:07,030 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-25 12:09:07,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,034 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-03-25 12:09:07,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,035 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 12:09:07,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612783149] [2021-03-25 12:09:07,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093953221] [2021-03-25 12:09:07,035 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 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 [2021-03-25 12:09:07,082 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-25 12:09:07,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:09:07,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 12:09:07,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:09:07,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:07,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:07,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:07,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 12:09:07,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:07,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:07,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:07,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:07,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:07,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:09:07,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:07,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:09:07,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:07,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:09:07,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:09:07,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:07,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:09:07,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:09:07,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:07,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:07,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:07,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:09:07,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:09:07,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:09:07,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:09:07,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:07,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:07,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:07,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:07,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:07,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:09:07,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:09:07,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:09:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:09:07,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:09:07,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-03-25 12:09:07,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976058022] [2021-03-25 12:09:07,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 12:09:07,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:09:07,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 12:09:07,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-25 12:09:07,154 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 46 [2021-03-25 12:09:07,154 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 996 transitions, 14980 flow. Second operand has 9 states, 9 states have (on average 23.11111111111111) internal successors, (208), 9 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:07,154 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:09:07,154 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 46 [2021-03-25 12:09:07,154 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:09:38,858 INFO L129 PetriNetUnfolder]: 91069/150206 cut-off events. [2021-03-25 12:09:38,858 INFO L130 PetriNetUnfolder]: For 2497128/2497235 co-relation queries the response was YES. [2021-03-25 12:09:39,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1206513 conditions, 150206 events. 91069/150206 cut-off events. For 2497128/2497235 co-relation queries the response was YES. Maximal size of possible extension queue 9538. Compared 1506755 event pairs, 5879 based on Foata normal form. 5710/155897 useless extension candidates. Maximal degree in co-relation 1187130. Up to 60423 conditions per place. [2021-03-25 12:09:40,657 INFO L132 encePairwiseOnDemand]: 38/46 looper letters, 5082 selfloop transitions, 1733 changer transitions 263/7087 dead transitions. [2021-03-25 12:09:40,657 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 7087 transitions, 125855 flow [2021-03-25 12:09:40,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-25 12:09:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-25 12:09:40,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 625 transitions. [2021-03-25 12:09:40,660 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6175889328063241 [2021-03-25 12:09:40,660 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 625 transitions. [2021-03-25 12:09:40,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 625 transitions. [2021-03-25 12:09:40,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:09:40,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 625 transitions. [2021-03-25 12:09:40,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 28.40909090909091) internal successors, (625), 22 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:40,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 46.0) internal successors, (1058), 23 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:40,664 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 46.0) internal successors, (1058), 23 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:09:40,664 INFO L185 Difference]: Start difference. First operand has 102 places, 996 transitions, 14980 flow. Second operand 22 states and 625 transitions. [2021-03-25 12:09:40,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 7087 transitions, 125855 flow [2021-03-25 12:10:10,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 7087 transitions, 119426 flow, removed 3213 selfloop flow, removed 1 redundant places. [2021-03-25 12:10:10,944 INFO L241 Difference]: Finished difference. Result has 141 places, 2896 transitions, 47027 flow [2021-03-25 12:10:10,944 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=14107, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=996, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=666, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=47027, PETRI_PLACES=141, PETRI_TRANSITIONS=2896} [2021-03-25 12:10:10,945 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 114 predicate places. [2021-03-25 12:10:10,945 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:10:10,945 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 2896 transitions, 47027 flow [2021-03-25 12:10:10,945 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 2896 transitions, 47027 flow [2021-03-25 12:10:10,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 2896 transitions, 47027 flow [2021-03-25 12:10:27,941 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([119] L34-1-->thread2EXIT: Formula: (not (< v_i2_16 v_N2_6)) InVars {i2=v_i2_16, N2=v_N2_6} OutVars{i2=v_i2_16, N2=v_N2_6} AuxVars[] AssignedVars[][2174], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 257#(and (<= counter 0) (<= 0 counter)), Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, Black: 320#(and (<= j1 i1) (= M1 N1)), Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), 14#L74true, Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 25#thread3EXITtrue, 28#L23-1true, 31#thread4EXITtrue, Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), 53#true, Black: 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), 325#(and (<= N1 N2) (<= i2 i1)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1))]) [2021-03-25 12:10:27,942 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-03-25 12:10:27,942 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-25 12:10:27,942 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-25 12:10:27,942 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-25 12:10:33,177 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][1948], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 519#(<= M1 j1), Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, 12#thread1EXITtrue, Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), 14#L74true, Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), Black: 325#(and (<= N1 N2) (<= i2 i1)), Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 25#thread3EXITtrue, 31#thread4EXITtrue, 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), 56#(<= N1 i1), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), 320#(and (<= j1 i1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 255#true, 127#(<= N1 i1)]) [2021-03-25 12:10:33,178 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-03-25 12:10:33,178 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-25 12:10:33,178 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-25 12:10:33,178 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-25 12:10:33,183 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][1948], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 519#(<= M1 j1), Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, 12#thread1EXITtrue, Black: 320#(and (<= j1 i1) (= M1 N1)), Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), 14#L74true, Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 25#thread3EXITtrue, 414#(and (<= j2 i1) (<= N1 M2)), 31#thread4EXITtrue, 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), 56#(<= N1 i1), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), 325#(and (<= N1 N2) (<= i2 i1)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), 127#(<= N1 i1), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 255#true]) [2021-03-25 12:10:33,183 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-03-25 12:10:33,183 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-25 12:10:33,183 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-25 12:10:33,183 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-25 12:10:34,438 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([117] L46-1-->L46-1: Formula: (and (= v_counter_41 (+ v_counter_42 1)) (= (+ v_j1_13 1) v_j1_12) (< v_j1_13 v_M1_4)) InVars {counter=v_counter_42, j1=v_j1_13, M1=v_M1_4} OutVars{counter=v_counter_41, j1=v_j1_12, M1=v_M1_4} AuxVars[] AssignedVars[counter, j1][228], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 514#true, Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, 12#thread1EXITtrue, Black: 320#(and (<= j1 i1) (= M1 N1)), Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), 14#L74true, Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 20#L46-1true, 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), 38#L57-1true, Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), 56#(<= N1 i1), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), 325#(and (<= N1 N2) (<= i2 i1)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), 127#(<= N1 i1), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 255#true]) [2021-03-25 12:10:34,438 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is not cut-off event [2021-03-25 12:10:34,438 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 12:10:34,438 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 12:10:34,438 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 12:10:34,454 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][1948], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 514#true, Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, 12#thread1EXITtrue, Black: 320#(and (<= j1 i1) (= M1 N1)), Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), 14#L74true, Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 20#L46-1true, 31#thread4EXITtrue, Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), 56#(<= N1 i1), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), 325#(and (<= N1 N2) (<= i2 i1)), Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), 599#(and (<= M1 N2) (<= i2 j1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), 127#(<= N1 i1), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 255#true]) [2021-03-25 12:10:34,454 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is not cut-off event [2021-03-25 12:10:34,455 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 12:10:34,455 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 12:10:34,455 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-25 12:10:38,479 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][1948], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), 257#(and (<= counter 0) (<= 0 counter)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 514#true, Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, Black: 320#(and (<= j1 i1) (= M1 N1)), 12#thread1EXITtrue, Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), 14#L74true, Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), Black: 325#(and (<= N1 N2) (<= i2 i1)), Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 20#L46-1true, 31#thread4EXITtrue, Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), 56#(<= N1 i1), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 55#(and (= i2 i1) (= N2 N1)), 316#true, Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), 590#true, Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 127#(<= N1 i1)]) [2021-03-25 12:10:38,479 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-03-25 12:10:38,479 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-25 12:10:38,479 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-25 12:10:38,479 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-25 12:10:41,942 INFO L129 PetriNetUnfolder]: 56551/113052 cut-off events. [2021-03-25 12:10:41,942 INFO L130 PetriNetUnfolder]: For 3466229/3523450 co-relation queries the response was YES. [2021-03-25 12:10:43,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 985760 conditions, 113052 events. 56551/113052 cut-off events. For 3466229/3523450 co-relation queries the response was YES. Maximal size of possible extension queue 10338. Compared 1435379 event pairs, 9153 based on Foata normal form. 6129/113009 useless extension candidates. Maximal degree in co-relation 960186. Up to 44366 conditions per place. [2021-03-25 12:10:44,485 INFO L142 LiptonReduction]: Number of co-enabled transitions 19018 [2021-03-25 12:10:45,752 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:10:45,752 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:10:45,752 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34807 [2021-03-25 12:10:45,752 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 2896 transitions, 47027 flow [2021-03-25 12:10:45,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 23.11111111111111) internal successors, (208), 9 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:45,752 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:10:45,752 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:10:45,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-25 12:10:45,960 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:10:45,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:10:45,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1715024623, now seen corresponding path program 6 times [2021-03-25 12:10:45,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:10:45,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968199573] [2021-03-25 12:10:45,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:10:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:10:45,982 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-25 12:10:45,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:10:45,988 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-25 12:10:45,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:10:45,993 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-25 12:10:45,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:46,000 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:10:46,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,005 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-25 12:10:46,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,010 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-03-25 12:10:46,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 12:10:46,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968199573] [2021-03-25 12:10:46,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309791669] [2021-03-25 12:10:46,012 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:10:46,037 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-25 12:10:46,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 12:10:46,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 12:10:46,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:10:46,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,056 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:46,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:10:46,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:46,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:10:46,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:10:46,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:46,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:10:46,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:10:46,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:46,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:10:46,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:10:46,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:46,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:46,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:46,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:10:46,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:10:46,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 12:10:46,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 12:10:46,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:10:46,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:10:46,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:10:46,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:10:46,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:10:46,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:10:46,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:10:46,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:10:46,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-25 12:10:46,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:10:46,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-03-25 12:10:46,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22082831] [2021-03-25 12:10:46,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 12:10:46,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:10:46,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 12:10:46,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-25 12:10:46,114 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 46 [2021-03-25 12:10:46,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 2896 transitions, 47027 flow. Second operand has 10 states, 10 states have (on average 27.6) internal successors, (276), 10 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:10:46,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:10:46,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 46 [2021-03-25 12:10:46,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:12:15,741 INFO L129 PetriNetUnfolder]: 99193/181649 cut-off events. [2021-03-25 12:12:15,741 INFO L130 PetriNetUnfolder]: For 6007405/6039397 co-relation queries the response was YES. [2021-03-25 12:12:18,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1782797 conditions, 181649 events. 99193/181649 cut-off events. For 6007405/6039397 co-relation queries the response was YES. Maximal size of possible extension queue 13749. Compared 2164774 event pairs, 14264 based on Foata normal form. 5615/181748 useless extension candidates. Maximal degree in co-relation 1752146. Up to 61692 conditions per place. [2021-03-25 12:12:19,104 INFO L132 encePairwiseOnDemand]: 39/46 looper letters, 3242 selfloop transitions, 4735 changer transitions 260/8782 dead transitions. [2021-03-25 12:12:19,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 8782 transitions, 163128 flow [2021-03-25 12:12:19,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-25 12:12:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-25 12:12:19,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 840 transitions. [2021-03-25 12:12:19,107 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6763285024154589 [2021-03-25 12:12:19,107 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 840 transitions. [2021-03-25 12:12:19,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 840 transitions. [2021-03-25 12:12:19,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:12:19,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 840 transitions. [2021-03-25 12:12:19,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 31.11111111111111) internal successors, (840), 27 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:12:19,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 46.0) internal successors, (1288), 28 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:12:19,110 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 46.0) internal successors, (1288), 28 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:12:19,110 INFO L185 Difference]: Start difference. First operand has 141 places, 2896 transitions, 47027 flow. Second operand 27 states and 840 transitions. [2021-03-25 12:12:19,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 8782 transitions, 163128 flow [2021-03-25 12:13:54,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 8782 transitions, 160109 flow, removed 1508 selfloop flow, removed 1 redundant places. [2021-03-25 12:13:54,219 INFO L241 Difference]: Finished difference. Result has 187 places, 7318 transitions, 142046 flow [2021-03-25 12:13:54,221 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=45540, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2896, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1386, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=917, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=142046, PETRI_PLACES=187, PETRI_TRANSITIONS=7318} [2021-03-25 12:13:54,221 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 160 predicate places. [2021-03-25 12:13:54,222 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:13:54,222 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 7318 transitions, 142046 flow [2021-03-25 12:13:54,222 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 7318 transitions, 142046 flow [2021-03-25 12:13:54,278 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 187 places, 7318 transitions, 142046 flow [2021-03-25 12:14:43,034 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][4701], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 519#(<= M1 j1), Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, Black: 320#(and (<= j1 i1) (= M1 N1)), 12#thread1EXITtrue, Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), 14#L74true, Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), Black: 325#(and (<= N1 N2) (<= i2 i1)), Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 25#thread3EXITtrue, 31#thread4EXITtrue, Black: 800#(and (<= N1 j1) (= N2 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 770#(and (= N2 N1) (<= i1 (+ j1 1)) (<= i2 j1) (= M1 N1)), Black: 802#(and (<= N1 j1) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 708#(and (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 772#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 j1) (= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 804#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 709#(and (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 806#(and (<= N1 j1) (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 774#(and (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), Black: 808#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 776#(and (= N2 N1) (< i1 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 778#(and (= N2 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 715#(and (<= i1 j1) (<= M1 N1)), Black: 780#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 782#(and (= N2 N1) (< i1 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), 56#(<= N1 i1), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 784#(and (<= N1 j1) (= N2 N1) (< i1 N1) (<= i2 j1) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 786#(and (= N2 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 788#(and (<= N1 j1) (= N2 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 725#(and (<= i1 (+ j1 1)) (<= M1 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), 316#true, Black: 55#(and (= i2 i1) (= N2 N1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 792#(and (<= N1 j1) (= N2 N1) (< i1 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 796#(and (<= N1 j1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), 705#true, Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 255#true, 127#(<= N1 i1)]) [2021-03-25 12:14:43,034 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-25 12:14:43,034 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-25 12:14:43,034 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-25 12:14:43,034 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-25 12:14:57,190 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][4701], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 519#(<= M1 j1), Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, 12#thread1EXITtrue, Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), 14#L74true, Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), Black: 325#(and (<= N1 N2) (<= i2 i1)), Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 25#thread3EXITtrue, 414#(and (<= j2 i1) (<= N1 M2)), 31#thread4EXITtrue, Black: 800#(and (<= N1 j1) (= N2 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 770#(and (= N2 N1) (<= i1 (+ j1 1)) (<= i2 j1) (= M1 N1)), Black: 802#(and (<= N1 j1) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 708#(and (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 772#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 j1) (= M1 N1)), Black: 804#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 709#(and (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 806#(and (<= N1 j1) (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 774#(and (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), Black: 808#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 776#(and (= N2 N1) (< i1 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 778#(and (= N2 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 715#(and (<= i1 j1) (<= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 780#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), 56#(<= N1 i1), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 782#(and (= N2 N1) (< i1 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 784#(and (<= N1 j1) (= N2 N1) (< i1 N1) (<= i2 j1) (= M1 N1)), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 786#(and (= N2 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 788#(and (<= N1 j1) (= N2 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 725#(and (<= i1 (+ j1 1)) (<= M1 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 792#(and (<= N1 j1) (= N2 N1) (< i1 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 796#(and (<= N1 j1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), 320#(and (<= j1 i1) (= M1 N1)), 705#true, Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), 127#(<= N1 i1), Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), 255#true]) [2021-03-25 12:14:57,191 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-03-25 12:14:57,191 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-25 12:14:57,191 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-03-25 12:14:57,191 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-25 12:15:08,310 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([123] L57-1-->thread4EXIT: Formula: (not (< v_j2_20 v_M2_6)) InVars {j2=v_j2_20, M2=v_M2_6} OutVars{j2=v_j2_20, M2=v_M2_6} AuxVars[] AssignedVars[][4701], [Black: 492#(and (= M2 N2) (= M2 N1) (<= (+ i2 1) M2) (<= (+ i2 1) i1)), Black: 478#(and (= M2 N2) (<= (+ i2 1) M2) (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), 519#(<= M1 j1), Black: 135#(and (<= (+ j1 1) N1) (= M1 N1)), 11#thread2EXITtrue, 12#thread1EXITtrue, Black: 384#(and (<= N1 N2) (<= (+ j1 1) N1) (<= (+ j1 1) i1) (<= i2 i1) (= M1 N1)), 14#L74true, Black: 386#(and (<= N1 N2) (< i2 N2) (<= j1 i1) (<= (+ i2 1) i1) (= M1 N1)), Black: 325#(and (<= N1 N2) (<= i2 i1)), Black: 390#(and (<= N1 N2) (<= i2 i1) (<= j1 i1) (= M1 N1)), Black: 392#(and (<= N1 N2) (< i2 N2) (<= (+ i2 1) i1)), Black: 394#(and (<= (+ j1 1) N1) (<= (+ j1 1) i1) (= M1 N1)), Black: 382#(and (<= N1 N2) (<= (+ j1 1) N1) (< i2 N2) (<= (+ j1 1) i1) (<= (+ i2 1) i1) (= M1 N1)), 404#true, 25#thread3EXITtrue, 31#thread4EXITtrue, Black: 800#(and (<= N1 j1) (= N2 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 770#(and (= N2 N1) (<= i1 (+ j1 1)) (<= i2 j1) (= M1 N1)), Black: 802#(and (<= N1 j1) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), 684#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 708#(and (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 672#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 772#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 j1) (= M1 N1)), Black: 804#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 674#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 676#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 709#(and (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 806#(and (<= N1 j1) (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 678#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 615#(and (<= M1 N2) (<= i2 (+ j1 1))), Black: 774#(and (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), Black: 808#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 680#(and (<= N1 j1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 682#(and (<= N1 j1) (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 50#(= counter 0), Black: 776#(and (= N2 N1) (< i1 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 778#(and (= N2 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 715#(and (<= i1 j1) (<= M1 N1)), Black: 656#(and (<= j2 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= i2 j1) (= M1 N1)), Black: 780#(and (<= N1 (+ j1 1)) (= N2 N1) (<= i1 (+ j1 1)) (<= i2 (+ j1 1)) (= M1 N1)), Black: 593#(and (<= j2 j1) (= M2 N1) (= M1 N1)), 56#(<= N1 i1), Black: 594#(and (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 782#(and (= N2 N1) (< i1 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 784#(and (<= N1 j1) (= N2 N1) (< i1 N1) (<= i2 j1) (= M1 N1)), Black: 658#(and (<= j2 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (= M1 N1)), Black: 660#(and (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 786#(and (= N2 N1) (<= i1 j1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 788#(and (<= N1 j1) (= N2 N1) (<= i1 j1) (<= i2 j1) (= M1 N1)), Black: 662#(and (= M2 N1) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 257#(and (<= counter 0) (<= 0 counter)), Black: 725#(and (<= i1 (+ j1 1)) (<= M1 N1)), Black: 599#(and (<= M1 N2) (<= i2 j1)), Black: 55#(and (= i2 i1) (= N2 N1)), Black: 792#(and (<= N1 j1) (= N2 N1) (< i1 N1) (<= i2 (+ j1 1)) (= M1 N1)), Black: 664#(and (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 796#(and (<= N1 j1) (= N2 N1) (<= i2 j1) (= M1 N1)), Black: 666#(and (<= N1 j1) (= M2 N1) (< i2 N2) (<= M1 N2) (<= (+ j2 1) j1) (<= i2 j1) (= M1 N1)), Black: 668#(and (< i2 N2) (<= M1 N2) (<= i2 j1)), Black: 670#(and (<= N1 j1) (= M2 N1) (<= M1 N2) (<= i2 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 190#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), 320#(and (<= j1 i1) (= M1 N1)), 705#true, Black: 64#(and (= M2 M1) (= j1 0) (= j2 0)), Black: 577#(and (<= M1 (+ j1 1)) (<= i1 (+ j1 1)) (= M1 N1)), Black: 579#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), Black: 517#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 581#(and (<= i1 j1) (= M1 N1)), Black: 583#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), Black: 480#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 498#(and (= M2 N2) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 482#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 500#(and (= M2 N2) (<= j2 i1) (<= (+ i2 1) M2) (<= N1 M2)), Black: 486#(and (= M2 N2) (<= j2 i1) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ i2 1) i1)), Black: 120#(and (<= j2 j1) (= M2 M1) (<= (+ j2 1) M1)), Black: 488#(and (= M2 N2) (<= j2 i1) (< j2 M2) (<= (+ i2 1) M2) (<= N1 M2)), Black: 490#(and (= M2 N2) (< j2 M2) (= M2 N1) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 474#(and (= M2 N2) (= M2 N1) (< (+ j2 1) M2) (<= (+ i2 2) N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 251#(and (<= N1 N2) (= M2 N2) (<= i2 j2) (<= (+ i2 1) M2) (<= i2 i1)), Black: 410#(and (= M2 N2) (<= (+ i2 1) M2)), 127#(<= N1 i1), 255#true, Black: 476#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1))]) [2021-03-25 12:15:08,310 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-03-25 12:15:08,310 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-25 12:15:08,310 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-25 12:15:08,310 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-25 12:15:25,397 INFO L129 PetriNetUnfolder]: 77257/153518 cut-off events. [2021-03-25 12:15:25,398 INFO L130 PetriNetUnfolder]: For 6874341/6929098 co-relation queries the response was YES. [2021-03-25 12:15:28,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1589290 conditions, 153518 events. 77257/153518 cut-off events. For 6874341/6929098 co-relation queries the response was YES. Maximal size of possible extension queue 13217. Compared 1985169 event pairs, 11300 based on Foata normal form. 5053/152751 useless extension candidates. Maximal degree in co-relation 1557395. Up to 49678 conditions per place. [2021-03-25 12:15:30,031 INFO L142 LiptonReduction]: Number of co-enabled transitions 24226 [2021-03-25 12:15:37,294 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 12:15:37,294 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 12:15:37,295 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103073 [2021-03-25 12:15:37,295 INFO L480 AbstractCegarLoop]: Abstraction has has 187 places, 7318 transitions, 142046 flow [2021-03-25 12:15:37,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 27.6) internal successors, (276), 10 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:15:37,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 12:15:37,295 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 12:15:37,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 12:15:37,496 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 12:15:37,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 12:15:37,496 INFO L82 PathProgramCache]: Analyzing trace with hash -422305793, now seen corresponding path program 7 times [2021-03-25 12:15:37,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 12:15:37,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963484624] [2021-03-25 12:15:37,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 12:15:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:15:37,511 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 12:15:37,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:15:37,515 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-25 12:15:37,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:15:37,519 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-25 12:15:37,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:15:37,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-25 12:15:37,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963484624] [2021-03-25 12:15:37,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675978608] [2021-03-25 12:15:37,527 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 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 [2021-03-25 12:15:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 12:15:37,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 12:15:37,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 12:15:37,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:15:37,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:15:37,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:15:37,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:15:37,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:15:37,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:15:37,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:15:37,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:15:37,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:15:37,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:15:37,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:15:37,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:15:37,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:15:37,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 12:15:37,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:15:37,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:15:37,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:15:37,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:15:37,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:15:37,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 12:15:37,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:15:37,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:15:37,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:15:37,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:15:37,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:15:37,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 12:15:37,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:15:37,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 12:15:37,573 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-25 12:15:37,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:15:37,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 12:15:37,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 12:15:37,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 12:15:37,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 12:15:37,584 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-25 12:15:37,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 12:15:37,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 12:15:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-25 12:15:37,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 12:15:37,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-25 12:15:37,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037572321] [2021-03-25 12:15:37,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 12:15:37,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 12:15:37,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 12:15:37,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-25 12:15:37,592 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 46 [2021-03-25 12:15:37,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 7318 transitions, 142046 flow. Second operand has 8 states, 8 states have (on average 32.25) internal successors, (258), 8 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:15:37,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 12:15:37,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 46 [2021-03-25 12:15:37,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 12:18:50,477 INFO L129 PetriNetUnfolder]: 86129/167750 cut-off events. [2021-03-25 12:18:50,478 INFO L130 PetriNetUnfolder]: For 9031858/9083963 co-relation queries the response was YES. [2021-03-25 12:18:53,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1886122 conditions, 167750 events. 86129/167750 cut-off events. For 9031858/9083963 co-relation queries the response was YES. Maximal size of possible extension queue 14023. Compared 2135198 event pairs, 11388 based on Foata normal form. 8439/170279 useless extension candidates. Maximal degree in co-relation 1853580. Up to 57048 conditions per place. [2021-03-25 12:18:54,230 INFO L132 encePairwiseOnDemand]: 41/46 looper letters, 3154 selfloop transitions, 4046 changer transitions 255/9115 dead transitions. [2021-03-25 12:18:54,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 9115 transitions, 191802 flow [2021-03-25 12:18:54,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 12:18:54,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 12:18:54,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 269 transitions. [2021-03-25 12:18:54,232 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7309782608695652 [2021-03-25 12:18:54,232 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 269 transitions. [2021-03-25 12:18:54,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 269 transitions. [2021-03-25 12:18:54,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 12:18:54,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 269 transitions. [2021-03-25 12:18:54,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 33.625) internal successors, (269), 8 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:18:54,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 46.0) internal successors, (414), 9 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:18:54,233 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 46.0) internal successors, (414), 9 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 12:18:54,233 INFO L185 Difference]: Start difference. First operand has 187 places, 7318 transitions, 142046 flow. Second operand 8 states and 269 transitions. [2021-03-25 12:18:54,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 9115 transitions, 191802 flow [2021-03-25 12:21:41,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 9115 transitions, 183847 flow, removed 3976 selfloop flow, removed 1 redundant places. [2021-03-25 12:21:42,010 INFO L241 Difference]: Finished difference. Result has 195 places, 8403 transitions, 169185 flow [2021-03-25 12:21:42,014 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=130765, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2739, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3867, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=169185, PETRI_PLACES=195, PETRI_TRANSITIONS=8403} [2021-03-25 12:21:42,015 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 168 predicate places. [2021-03-25 12:21:42,015 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 12:21:42,015 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 8403 transitions, 169185 flow [2021-03-25 12:21:42,015 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 8403 transitions, 169185 flow [2021-03-25 12:21:42,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 195 places, 8403 transitions, 169185 flow Received shutdown request... [2021-03-25 12:22:16,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-25 12:22:16,980 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-25 12:22:16,982 WARN L224 ceAbstractionStarter]: Timeout [2021-03-25 12:22:16,983 INFO L202 PluginConnector]: Adding new model counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 12:22:16 BasicIcfg [2021-03-25 12:22:16,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 12:22:16,983 INFO L168 Benchmark]: Toolchain (without parser) took 805106.70 ms. Allocated memory was 255.9 MB in the beginning and 14.4 GB in the end (delta: 14.2 GB). Free memory was 236.4 MB in the beginning and 9.9 GB in the end (delta: -9.7 GB). Peak memory consumption was 7.4 GB. Max. memory is 16.0 GB. [2021-03-25 12:22:16,983 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 12:22:16,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.08 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 12:22:16,983 INFO L168 Benchmark]: Boogie Preprocessor took 15.52 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 234.0 MB in the end (delta: 902.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 12:22:16,983 INFO L168 Benchmark]: RCFGBuilder took 269.58 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 235.3 MB in the end (delta: -1.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.0 GB. [2021-03-25 12:22:16,983 INFO L168 Benchmark]: TraceAbstraction took 804797.12 ms. Allocated memory was 255.9 MB in the beginning and 14.4 GB in the end (delta: 14.2 GB). Free memory was 235.2 MB in the beginning and 9.9 GB in the end (delta: -9.7 GB). Peak memory consumption was 7.4 GB. Max. memory is 16.0 GB. [2021-03-25 12:22:16,984 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 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.08 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.52 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 234.0 MB in the end (delta: 902.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 269.58 ms. Allocated memory is still 255.9 MB. Free memory was 234.0 MB in the beginning and 235.3 MB in the end (delta: -1.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 804797.12 ms. Allocated memory was 255.9 MB in the beginning and 14.4 GB in the end (delta: 14.2 GB). Free memory was 235.2 MB in the beginning and 9.9 GB in the end (delta: -9.7 GB). Peak memory consumption was 7.4 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 294.2ms, 38 PlacesBefore, 27 PlacesAfterwards, 29 TransitionsBefore, 18 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 120 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 120, positive: 120, positive conditional: 0, positive unconditional: 120, 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: 96, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 96, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 120, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 96, unknown conditional: 0, unknown unconditional: 96] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.5ms, 22 PlacesBefore, 22 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 108 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.0ms, 27 PlacesBefore, 27 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 158 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.0ms, 32 PlacesBefore, 32 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 210 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.8ms, 35 PlacesBefore, 35 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 226 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.2ms, 38 PlacesBefore, 37 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 194 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.6ms, 40 PlacesBefore, 40 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 188 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.2ms, 41 PlacesBefore, 41 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 170 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.7ms, 44 PlacesBefore, 43 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 164 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.9ms, 45 PlacesBefore, 45 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 438 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 180.2ms, 64 PlacesBefore, 63 PlacesAfterwards, 172 TransitionsBefore, 172 TransitionsAfterwards, 1190 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1192.3ms, 92 PlacesBefore, 92 PlacesAfterwards, 587 TransitionsBefore, 587 TransitionsAfterwards, 2492 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3109.2ms, 102 PlacesBefore, 102 PlacesAfterwards, 996 TransitionsBefore, 996 TransitionsAfterwards, 3916 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34806.9ms, 141 PlacesBefore, 141 PlacesAfterwards, 2896 TransitionsBefore, 2896 TransitionsAfterwards, 19018 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103072.7ms, 187 PlacesBefore, 187 PlacesAfterwards, 7318 TransitionsBefore, 7318 TransitionsAfterwards, 24226 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: 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] , 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 80). Cancelled while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 195 places, 8403 transitions, 169185 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 195 places, 8403 transitions, 169185 flow,while PetriNetUnfolder was constructing finite prefix that currently has 580045 conditions, 50440 events (32314/50439 cut-off events. For 3238374/3266723 co-relation queries the response was YES. Maximal size of possible extension queue 12258. Compared 505407 event pairs, 3737 based on Foata normal form. 2763/62608 useless extension candidates. Maximal degree in co-relation 578574. Up to 19489 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 804734.4ms, OverallIterations: 15, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 623204.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 335.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 32 SDtfs, 305 SDslu, 41 SDs, 0 SdLazy, 888 SolverSat, 277 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 495.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 309 GetRequests, 160 SyntacticMatches, 4 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 1141.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=169185occurred in iteration=15, InterpolantAutomatonStates: 137, 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: 57.4ms SsaConstructionTime, 250.3ms SatisfiabilityAnalysisTime, 1234.4ms InterpolantComputationTime, 434 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 409 ConstructedInterpolants, 0 QuantifiedInterpolants, 1822 SizeOfPredicates, 15 NumberOfNonLiveVariables, 835 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 56/96 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