/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-6.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 11:27:24,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 11:27:24,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 11:27:24,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 11:27:24,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 11:27:24,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 11:27:24,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 11:27:24,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 11:27:24,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 11:27:24,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 11:27:24,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 11:27:24,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 11:27:24,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 11:27:24,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 11:27:24,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 11:27:24,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 11:27:24,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 11:27:24,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 11:27:24,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 11:27:24,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 11:27:24,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 11:27:24,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 11:27:24,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 11:27:24,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 11:27:24,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 11:27:24,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 11:27:24,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 11:27:24,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 11:27:24,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 11:27:24,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 11:27:24,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 11:27:24,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 11:27:24,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 11:27:24,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 11:27:24,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 11:27:24,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 11:27:24,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 11:27:24,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 11:27:24,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 11:27:24,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 11:27:24,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 11:27:24,778 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-06-11 11:27:24,812 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 11:27:24,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 11:27:24,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 11:27:24,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 11:27:24,815 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 11:27:24,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 11:27:24,816 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 11:27:24,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 11:27:24,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 11:27:24,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 11:27:24,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 11:27:24,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 11:27:24,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 11:27:24,817 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 11:27:24,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 11:27:24,817 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 11:27:24,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 11:27:24,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 11:27:24,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 11:27:24,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 11:27:24,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 11:27:24,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 11:27:24,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 11:27:24,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 11:27:24,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 11:27:24,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 11:27:24,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 11:27:24,819 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 11:27:24,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 11:27:24,819 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 11:27:25,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 11:27:25,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 11:27:25,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 11:27:25,164 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-11 11:27:25,165 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-11 11:27:25,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-6.wvr.bpl [2021-06-11 11:27:25,166 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-6.wvr.bpl' [2021-06-11 11:27:25,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 11:27:25,198 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-11 11:27:25,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 11:27:25,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 11:27:25,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 11:27:25,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:27:25" (1/1) ... [2021-06-11 11:27:25,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:27:25" (1/1) ... [2021-06-11 11:27:25,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 11:27:25,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 11:27:25,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 11:27:25,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 11:27:25,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:27:25" (1/1) ... [2021-06-11 11:27:25,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:27:25" (1/1) ... [2021-06-11 11:27:25,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:27:25" (1/1) ... [2021-06-11 11:27:25,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:27:25" (1/1) ... [2021-06-11 11:27:25,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:27:25" (1/1) ... [2021-06-11 11:27:25,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:27:25" (1/1) ... [2021-06-11 11:27:25,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:27:25" (1/1) ... [2021-06-11 11:27:25,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 11:27:25,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 11:27:25,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 11:27:25,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 11:27:25,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:27:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 11:27:25,304 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-11 11:27:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-11 11:27:25,306 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-11 11:27:25,306 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-11 11:27:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-11 11:27:25,306 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-11 11:27:25,306 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-11 11:27:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 11:27:25,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 11:27:25,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-11 11:27:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-11 11:27:25,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-11 11:27:25,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-11 11:27:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-11 11:27:25,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-11 11:27:25,308 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-11 11:27:25,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-11 11:27:25,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-11 11:27:25,310 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-06-11 11:27:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-06-11 11:27:25,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-06-11 11:27:25,312 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 11:27:25,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 11:27:25,576 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-11 11:27:25,577 INFO L202 PluginConnector]: Adding new model ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 11:27:25 BoogieIcfgContainer [2021-06-11 11:27:25,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 11:27:25,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 11:27:25,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 11:27:25,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 11:27:25,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 11:27:25" (1/2) ... [2021-06-11 11:27:25,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a42ade2 and model type ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 11:27:25, skipping insertion in model container [2021-06-11 11:27:25,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 11:27:25" (2/2) ... [2021-06-11 11:27:25,584 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-6.wvr.bpl [2021-06-11 11:27:25,588 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 11:27:25,592 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 11:27:25,593 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 11:27:25,648 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-06-11 11:27:25,679 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 11:27:25,713 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 11:27:25,713 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 11:27:25,713 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 11:27:25,713 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 11:27:25,713 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 11:27:25,713 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 11:27:25,713 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 11:27:25,713 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 11:27:25,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 54 transitions, 156 flow [2021-06-11 11:27:25,793 INFO L129 PetriNetUnfolder]: 0/48 cut-off events. [2021-06-11 11:27:25,794 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-06-11 11:27:25,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 48 events. 0/48 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 119 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 11:27:25,795 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 54 transitions, 156 flow [2021-06-11 11:27:25,817 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 46 transitions, 128 flow [2021-06-11 11:27:25,819 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:27:25,831 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 46 transitions, 128 flow [2021-06-11 11:27:25,839 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 46 transitions, 128 flow [2021-06-11 11:27:25,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 46 transitions, 128 flow [2021-06-11 11:27:25,872 INFO L129 PetriNetUnfolder]: 0/46 cut-off events. [2021-06-11 11:27:25,872 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-06-11 11:27:25,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 46 events. 0/46 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 119 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 11:27:25,875 INFO L151 LiptonReduction]: Number of co-enabled transitions 1110 [2021-06-11 11:27:26,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:26,063 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 11:27:26,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:26,155 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 11:27:26,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:26,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:26,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:26,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:26,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:26,424 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 11:27:26,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:26,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:26,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:26,535 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 11:27:26,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:26,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:26,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:26,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:27,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:27,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:27,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:27,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:27,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:27,237 INFO L147 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size 1 [2021-06-11 11:27:27,291 INFO L163 LiptonReduction]: Checked pairs total: 1470 [2021-06-11 11:27:27,292 INFO L165 LiptonReduction]: Total number of compositions: 19 [2021-06-11 11:27:27,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1476 [2021-06-11 11:27:27,314 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-06-11 11:27:27,314 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-06-11 11:27:27,314 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:27:27,315 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:27:27,315 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:27:27,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:27:27,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1128066869, now seen corresponding path program 1 times [2021-06-11 11:27:27,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:27:27,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979092736] [2021-06-11 11:27:27,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:27:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:27:27,497 INFO L142 QuantifierPusher]: treesize reduction 11, result has 52.2 percent of original size [2021-06-11 11:27:27,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 11:27:27,518 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-06-11 11:27:27,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-11 11:27:27,525 INFO L142 QuantifierPusher]: treesize reduction 4, result has 60.0 percent of original size [2021-06-11 11:27:27,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-06-11 11:27:27,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:27,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 11:27:27,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:27,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:27:27,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:27,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:27:27,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:27,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:27:27,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:27,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-06-11 11:27:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:27:27,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979092736] [2021-06-11 11:27:27,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:27:27,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 11:27:27,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330931660] [2021-06-11 11:27:27,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 11:27:27,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:27:27,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 11:27:27,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-06-11 11:27:27,562 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 73 [2021-06-11 11:27:27,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 27 transitions, 90 flow. Second operand has 6 states, 6 states have (on average 44.5) internal successors, (267), 6 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) [2021-06-11 11:27:27,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:27:27,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 73 [2021-06-11 11:27:27,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:27:28,083 INFO L129 PetriNetUnfolder]: 4087/5845 cut-off events. [2021-06-11 11:27:28,083 INFO L130 PetriNetUnfolder]: For 357/357 co-relation queries the response was YES. [2021-06-11 11:27:28,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11704 conditions, 5845 events. 4087/5845 cut-off events. For 357/357 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 32448 event pairs, 1830 based on Foata normal form. 1/5807 useless extension candidates. Maximal degree in co-relation 11670. Up to 2916 conditions per place. [2021-06-11 11:27:28,129 INFO L132 encePairwiseOnDemand]: 58/73 looper letters, 28 selfloop transitions, 13 changer transitions 1/54 dead transitions. [2021-06-11 11:27:28,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 228 flow [2021-06-11 11:27:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 11:27:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 11:27:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 253 transitions. [2021-06-11 11:27:28,140 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6931506849315069 [2021-06-11 11:27:28,140 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 253 transitions. [2021-06-11 11:27:28,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 253 transitions. [2021-06-11 11:27:28,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:27:28,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 253 transitions. [2021-06-11 11:27:28,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 50.6) internal successors, (253), 5 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:28,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:28,151 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:28,152 INFO L185 Difference]: Start difference. First operand has 46 places, 27 transitions, 90 flow. Second operand 5 states and 253 transitions. [2021-06-11 11:27:28,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 228 flow [2021-06-11 11:27:28,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 54 transitions, 204 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-06-11 11:27:28,189 INFO L241 Difference]: Finished difference. Result has 41 places, 38 transitions, 160 flow [2021-06-11 11:27:28,190 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=160, PETRI_PLACES=41, PETRI_TRANSITIONS=38} [2021-06-11 11:27:28,191 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -5 predicate places. [2021-06-11 11:27:28,191 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:27:28,191 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 38 transitions, 160 flow [2021-06-11 11:27:28,192 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 38 transitions, 160 flow [2021-06-11 11:27:28,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 38 transitions, 160 flow [2021-06-11 11:27:28,322 INFO L129 PetriNetUnfolder]: 1016/1926 cut-off events. [2021-06-11 11:27:28,323 INFO L130 PetriNetUnfolder]: For 154/159 co-relation queries the response was YES. [2021-06-11 11:27:28,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4090 conditions, 1926 events. 1016/1926 cut-off events. For 154/159 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 13574 event pairs, 628 based on Foata normal form. 0/1726 useless extension candidates. Maximal degree in co-relation 3866. Up to 1375 conditions per place. [2021-06-11 11:27:28,351 INFO L151 LiptonReduction]: Number of co-enabled transitions 286 [2021-06-11 11:27:28,356 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:27:28,356 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:27:28,356 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 165 [2021-06-11 11:27:28,357 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 38 transitions, 160 flow [2021-06-11 11:27:28,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 44.5) internal successors, (267), 6 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) [2021-06-11 11:27:28,357 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:27:28,357 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:27:28,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 11:27:28,358 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:27:28,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:27:28,358 INFO L82 PathProgramCache]: Analyzing trace with hash -958620881, now seen corresponding path program 2 times [2021-06-11 11:27:28,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:27:28,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439010213] [2021-06-11 11:27:28,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:27:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:27:28,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:28,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:27:28,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:28,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:28,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:28,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:28,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:28,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:28,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:28,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:27:28,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439010213] [2021-06-11 11:27:28,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:27:28,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 11:27:28,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918870963] [2021-06-11 11:27:28,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 11:27:28,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:27:28,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 11:27:28,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 11:27:28,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:27:28,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 38 transitions, 160 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:28,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:27:28,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:27:28,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:27:29,337 INFO L129 PetriNetUnfolder]: 8395/11782 cut-off events. [2021-06-11 11:27:29,337 INFO L130 PetriNetUnfolder]: For 6198/6751 co-relation queries the response was YES. [2021-06-11 11:27:29,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36551 conditions, 11782 events. 8395/11782 cut-off events. For 6198/6751 co-relation queries the response was YES. Maximal size of possible extension queue 828. Compared 68652 event pairs, 1917 based on Foata normal form. 251/11999 useless extension candidates. Maximal degree in co-relation 36197. Up to 5794 conditions per place. [2021-06-11 11:27:29,443 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 31 selfloop transitions, 45 changer transitions 0/89 dead transitions. [2021-06-11 11:27:29,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 89 transitions, 536 flow [2021-06-11 11:27:29,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 11:27:29,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 11:27:29,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 268 transitions. [2021-06-11 11:27:29,446 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6118721461187214 [2021-06-11 11:27:29,446 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 268 transitions. [2021-06-11 11:27:29,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 268 transitions. [2021-06-11 11:27:29,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:27:29,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 268 transitions. [2021-06-11 11:27:29,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.666666666666664) internal successors, (268), 6 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:29,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:29,449 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:29,449 INFO L185 Difference]: Start difference. First operand has 41 places, 38 transitions, 160 flow. Second operand 6 states and 268 transitions. [2021-06-11 11:27:29,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 89 transitions, 536 flow [2021-06-11 11:27:29,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 89 transitions, 494 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-06-11 11:27:29,454 INFO L241 Difference]: Finished difference. Result has 44 places, 76 transitions, 457 flow [2021-06-11 11:27:29,454 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=457, PETRI_PLACES=44, PETRI_TRANSITIONS=76} [2021-06-11 11:27:29,455 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places. [2021-06-11 11:27:29,455 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:27:29,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 76 transitions, 457 flow [2021-06-11 11:27:29,456 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 76 transitions, 457 flow [2021-06-11 11:27:29,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 76 transitions, 457 flow [2021-06-11 11:27:30,083 INFO L129 PetriNetUnfolder]: 6740/9794 cut-off events. [2021-06-11 11:27:30,084 INFO L130 PetriNetUnfolder]: For 6933/7687 co-relation queries the response was YES. [2021-06-11 11:27:30,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31496 conditions, 9794 events. 6740/9794 cut-off events. For 6933/7687 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 59773 event pairs, 1723 based on Foata normal form. 271/9916 useless extension candidates. Maximal degree in co-relation 31092. Up to 5437 conditions per place. [2021-06-11 11:27:30,197 INFO L151 LiptonReduction]: Number of co-enabled transitions 522 [2021-06-11 11:27:30,416 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:27:30,417 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:27:30,417 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 962 [2021-06-11 11:27:30,420 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 76 transitions, 457 flow [2021-06-11 11:27:30,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:30,421 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:27:30,421 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:27:30,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 11:27:30,421 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:27:30,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:27:30,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1002569343, now seen corresponding path program 3 times [2021-06-11 11:27:30,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:27:30,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308152542] [2021-06-11 11:27:30,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:27:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:27:30,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:30,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:27:30,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:30,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:30,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:30,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:30,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:30,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:27:30,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308152542] [2021-06-11 11:27:30,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:27:30,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 11:27:30,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410345642] [2021-06-11 11:27:30,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 11:27:30,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:27:30,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 11:27:30,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 11:27:30,491 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:27:30,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 76 transitions, 457 flow. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:30,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:27:30,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:27:30,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:27:31,643 INFO L129 PetriNetUnfolder]: 8628/11979 cut-off events. [2021-06-11 11:27:31,643 INFO L130 PetriNetUnfolder]: For 11849/13746 co-relation queries the response was YES. [2021-06-11 11:27:31,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50040 conditions, 11979 events. 8628/11979 cut-off events. For 11849/13746 co-relation queries the response was YES. Maximal size of possible extension queue 853. Compared 67206 event pairs, 1725 based on Foata normal form. 91/12031 useless extension candidates. Maximal degree in co-relation 49792. Up to 11174 conditions per place. [2021-06-11 11:27:31,743 INFO L132 encePairwiseOnDemand]: 61/73 looper letters, 73 selfloop transitions, 46 changer transitions 0/132 dead transitions. [2021-06-11 11:27:31,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 132 transitions, 1070 flow [2021-06-11 11:27:31,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 11:27:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 11:27:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2021-06-11 11:27:31,745 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5972602739726027 [2021-06-11 11:27:31,745 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 218 transitions. [2021-06-11 11:27:31,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 218 transitions. [2021-06-11 11:27:31,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:27:31,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 218 transitions. [2021-06-11 11:27:31,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:31,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:31,750 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:31,751 INFO L185 Difference]: Start difference. First operand has 44 places, 76 transitions, 457 flow. Second operand 5 states and 218 transitions. [2021-06-11 11:27:31,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 132 transitions, 1070 flow [2021-06-11 11:27:31,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 132 transitions, 1039 flow, removed 12 selfloop flow, removed 1 redundant places. [2021-06-11 11:27:31,771 INFO L241 Difference]: Finished difference. Result has 49 places, 115 transitions, 905 flow [2021-06-11 11:27:31,772 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=905, PETRI_PLACES=49, PETRI_TRANSITIONS=115} [2021-06-11 11:27:31,773 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 3 predicate places. [2021-06-11 11:27:31,773 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:27:31,773 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 115 transitions, 905 flow [2021-06-11 11:27:31,774 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 115 transitions, 905 flow [2021-06-11 11:27:31,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 115 transitions, 905 flow [2021-06-11 11:27:32,523 INFO L129 PetriNetUnfolder]: 6975/10144 cut-off events. [2021-06-11 11:27:32,523 INFO L130 PetriNetUnfolder]: For 14204/14598 co-relation queries the response was YES. [2021-06-11 11:27:32,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36245 conditions, 10144 events. 6975/10144 cut-off events. For 14204/14598 co-relation queries the response was YES. Maximal size of possible extension queue 761. Compared 63311 event pairs, 1374 based on Foata normal form. 222/10293 useless extension candidates. Maximal degree in co-relation 35856. Up to 5496 conditions per place. [2021-06-11 11:27:32,639 INFO L151 LiptonReduction]: Number of co-enabled transitions 640 [2021-06-11 11:27:32,813 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:27:32,813 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:27:32,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1040 [2021-06-11 11:27:32,814 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 115 transitions, 905 flow [2021-06-11 11:27:32,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:32,815 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:27:32,815 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:27:32,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 11:27:32,815 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:27:32,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:27:32,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1869074851, now seen corresponding path program 4 times [2021-06-11 11:27:32,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:27:32,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901804463] [2021-06-11 11:27:32,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:27:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:27:32,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:32,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:27:32,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:32,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:32,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:32,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:32,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:32,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:32,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:32,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:32,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:32,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:32,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:32,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:32,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:32,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:32,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:32,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:27:32,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901804463] [2021-06-11 11:27:32,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:27:32,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 11:27:32,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770450892] [2021-06-11 11:27:32,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 11:27:32,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:27:32,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 11:27:32,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-11 11:27:32,980 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:27:32,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 115 transitions, 905 flow. Second operand has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:32,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:27:32,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:27:32,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:27:34,331 INFO L129 PetriNetUnfolder]: 11160/15970 cut-off events. [2021-06-11 11:27:34,331 INFO L130 PetriNetUnfolder]: For 23836/25089 co-relation queries the response was YES. [2021-06-11 11:27:34,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68908 conditions, 15970 events. 11160/15970 cut-off events. For 23836/25089 co-relation queries the response was YES. Maximal size of possible extension queue 1179. Compared 98581 event pairs, 1536 based on Foata normal form. 91/16024 useless extension candidates. Maximal degree in co-relation 68328. Up to 8131 conditions per place. [2021-06-11 11:27:34,469 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 34 selfloop transitions, 292 changer transitions 0/339 dead transitions. [2021-06-11 11:27:34,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 339 transitions, 3359 flow [2021-06-11 11:27:34,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 11:27:34,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 11:27:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 364 transitions. [2021-06-11 11:27:34,471 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6232876712328768 [2021-06-11 11:27:34,471 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 364 transitions. [2021-06-11 11:27:34,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 364 transitions. [2021-06-11 11:27:34,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:27:34,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 364 transitions. [2021-06-11 11:27:34,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 45.5) internal successors, (364), 8 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:34,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 73.0) internal successors, (657), 9 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:34,475 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 73.0) internal successors, (657), 9 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:34,475 INFO L185 Difference]: Start difference. First operand has 49 places, 115 transitions, 905 flow. Second operand 8 states and 364 transitions. [2021-06-11 11:27:34,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 339 transitions, 3359 flow [2021-06-11 11:27:34,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 339 transitions, 3352 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 11:27:34,508 INFO L241 Difference]: Finished difference. Result has 58 places, 326 transitions, 3703 flow [2021-06-11 11:27:34,508 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3703, PETRI_PLACES=58, PETRI_TRANSITIONS=326} [2021-06-11 11:27:34,508 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 12 predicate places. [2021-06-11 11:27:34,508 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:27:34,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 326 transitions, 3703 flow [2021-06-11 11:27:34,509 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 326 transitions, 3703 flow [2021-06-11 11:27:34,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 326 transitions, 3703 flow [2021-06-11 11:27:35,542 INFO L129 PetriNetUnfolder]: 9310/13730 cut-off events. [2021-06-11 11:27:35,542 INFO L130 PetriNetUnfolder]: For 34944/35850 co-relation queries the response was YES. [2021-06-11 11:27:35,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69648 conditions, 13730 events. 9310/13730 cut-off events. For 34944/35850 co-relation queries the response was YES. Maximal size of possible extension queue 1084. Compared 90034 event pairs, 1038 based on Foata normal form. 255/13841 useless extension candidates. Maximal degree in co-relation 69152. Up to 7652 conditions per place. [2021-06-11 11:27:35,634 INFO L151 LiptonReduction]: Number of co-enabled transitions 1394 [2021-06-11 11:27:35,797 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:27:35,798 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:27:35,798 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1290 [2021-06-11 11:27:35,799 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 326 transitions, 3703 flow [2021-06-11 11:27:35,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:35,799 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:27:35,799 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:27:35,799 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 11:27:35,799 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:27:35,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:27:35,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1743815979, now seen corresponding path program 5 times [2021-06-11 11:27:35,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:27:35,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980865499] [2021-06-11 11:27:35,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:27:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:27:35,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:35,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:27:35,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:35,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:35,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:35,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:35,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:35,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:35,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:27:35,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980865499] [2021-06-11 11:27:35,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:27:35,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 11:27:35,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971362263] [2021-06-11 11:27:35,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 11:27:35,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:27:35,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 11:27:35,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 11:27:35,830 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:27:35,831 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 326 transitions, 3703 flow. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:35,831 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:27:35,831 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:27:35,831 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:27:37,486 INFO L129 PetriNetUnfolder]: 11290/16078 cut-off events. [2021-06-11 11:27:37,486 INFO L130 PetriNetUnfolder]: For 47269/51567 co-relation queries the response was YES. [2021-06-11 11:27:37,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96118 conditions, 16078 events. 11290/16078 cut-off events. For 47269/51567 co-relation queries the response was YES. Maximal size of possible extension queue 1175. Compared 98669 event pairs, 2234 based on Foata normal form. 156/16197 useless extension candidates. Maximal degree in co-relation 95611. Up to 14847 conditions per place. [2021-06-11 11:27:37,606 INFO L132 encePairwiseOnDemand]: 61/73 looper letters, 235 selfloop transitions, 154 changer transitions 0/402 dead transitions. [2021-06-11 11:27:37,606 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 402 transitions, 5366 flow [2021-06-11 11:27:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 11:27:37,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 11:27:37,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2021-06-11 11:27:37,609 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5972602739726027 [2021-06-11 11:27:37,610 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 218 transitions. [2021-06-11 11:27:37,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 218 transitions. [2021-06-11 11:27:37,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:27:37,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 218 transitions. [2021-06-11 11:27:37,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:37,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:37,611 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:37,611 INFO L185 Difference]: Start difference. First operand has 58 places, 326 transitions, 3703 flow. Second operand 5 states and 218 transitions. [2021-06-11 11:27:37,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 402 transitions, 5366 flow [2021-06-11 11:27:37,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 402 transitions, 5249 flow, removed 55 selfloop flow, removed 1 redundant places. [2021-06-11 11:27:37,817 INFO L241 Difference]: Finished difference. Result has 62 places, 369 transitions, 4577 flow [2021-06-11 11:27:37,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=3626, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=4577, PETRI_PLACES=62, PETRI_TRANSITIONS=369} [2021-06-11 11:27:37,817 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 16 predicate places. [2021-06-11 11:27:37,817 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:27:37,818 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 369 transitions, 4577 flow [2021-06-11 11:27:37,818 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 369 transitions, 4577 flow [2021-06-11 11:27:37,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 369 transitions, 4577 flow [2021-06-11 11:27:38,661 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([134] thread6ENTRY-->L84: Formula: (and (= v_m6_3 v_t_37) (= v_t_36 (+ v_t_37 1))) InVars {t=v_t_37} OutVars{m6=v_m6_3, t=v_t_36} AuxVars[] AssignedVars[m6, t][143], [Black: 90#(<= (+ s 1) t), 64#L72true, Black: 124#(<= (+ s 1) t), 97#true, 4#L23true, 7#L102true, Black: 100#(<= (+ s 1) t), Black: 103#(and (<= (+ s 1) m4) (<= (+ s 1) t)), 107#true, 45#thread2EXITtrue, 50#L84true, 51#thread4EXITtrue, Black: 81#(not b), Black: 79#(and (= t 0) (= x 0) (not b)), Black: 112#(<= (+ s 3) t), 87#true, 55#thread3EXITtrue, Black: 110#(<= (+ s 1) t), Black: 111#(<= (+ s 2) t), 121#true]) [2021-06-11 11:27:38,662 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-06-11 11:27:38,662 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-06-11 11:27:38,662 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-06-11 11:27:38,662 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-06-11 11:27:38,874 INFO L129 PetriNetUnfolder]: 9540/13998 cut-off events. [2021-06-11 11:27:38,874 INFO L130 PetriNetUnfolder]: For 33325/34251 co-relation queries the response was YES. [2021-06-11 11:27:38,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67895 conditions, 13998 events. 9540/13998 cut-off events. For 33325/34251 co-relation queries the response was YES. Maximal size of possible extension queue 1108. Compared 91660 event pairs, 1374 based on Foata normal form. 399/14220 useless extension candidates. Maximal degree in co-relation 67343. Up to 7920 conditions per place. [2021-06-11 11:27:38,974 INFO L151 LiptonReduction]: Number of co-enabled transitions 1476 [2021-06-11 11:27:39,846 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:27:39,846 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:27:39,846 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2029 [2021-06-11 11:27:39,847 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 369 transitions, 4577 flow [2021-06-11 11:27:39,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:39,847 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:27:39,848 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:27:39,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 11:27:39,848 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:27:39,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:27:39,848 INFO L82 PathProgramCache]: Analyzing trace with hash 65941383, now seen corresponding path program 6 times [2021-06-11 11:27:39,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:27:39,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105325311] [2021-06-11 11:27:39,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:27:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:27:39,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:39,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:27:39,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:39,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:39,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:39,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:39,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:39,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:39,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:39,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:27:39,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105325311] [2021-06-11 11:27:39,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:27:39,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 11:27:39,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434075470] [2021-06-11 11:27:39,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 11:27:39,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:27:39,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 11:27:39,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 11:27:39,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:27:39,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 369 transitions, 4577 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:39,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:27:39,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:27:39,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:27:41,627 INFO L129 PetriNetUnfolder]: 12091/17341 cut-off events. [2021-06-11 11:27:41,627 INFO L130 PetriNetUnfolder]: For 52410/57249 co-relation queries the response was YES. [2021-06-11 11:27:41,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100181 conditions, 17341 events. 12091/17341 cut-off events. For 52410/57249 co-relation queries the response was YES. Maximal size of possible extension queue 1275. Compared 109274 event pairs, 1921 based on Foata normal form. 482/17778 useless extension candidates. Maximal degree in co-relation 99594. Up to 8838 conditions per place. [2021-06-11 11:27:41,729 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 118 selfloop transitions, 375 changer transitions 0/506 dead transitions. [2021-06-11 11:27:41,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 506 transitions, 7393 flow [2021-06-11 11:27:41,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 11:27:41,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 11:27:41,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 268 transitions. [2021-06-11 11:27:41,730 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6118721461187214 [2021-06-11 11:27:41,730 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 268 transitions. [2021-06-11 11:27:41,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 268 transitions. [2021-06-11 11:27:41,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:27:41,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 268 transitions. [2021-06-11 11:27:41,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.666666666666664) internal successors, (268), 6 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:41,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:41,732 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:41,732 INFO L185 Difference]: Start difference. First operand has 62 places, 369 transitions, 4577 flow. Second operand 6 states and 268 transitions. [2021-06-11 11:27:41,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 506 transitions, 7393 flow [2021-06-11 11:27:41,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 506 transitions, 7172 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 11:27:41,860 INFO L241 Difference]: Finished difference. Result has 66 places, 479 transitions, 6929 flow [2021-06-11 11:27:41,860 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=4426, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=265, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=6929, PETRI_PLACES=66, PETRI_TRANSITIONS=479} [2021-06-11 11:27:41,861 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 20 predicate places. [2021-06-11 11:27:41,861 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:27:41,861 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 479 transitions, 6929 flow [2021-06-11 11:27:41,861 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 479 transitions, 6929 flow [2021-06-11 11:27:41,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 479 transitions, 6929 flow [2021-06-11 11:27:42,933 INFO L129 PetriNetUnfolder]: 10089/14607 cut-off events. [2021-06-11 11:27:42,933 INFO L130 PetriNetUnfolder]: For 51935/54738 co-relation queries the response was YES. [2021-06-11 11:27:42,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82252 conditions, 14607 events. 10089/14607 cut-off events. For 51935/54738 co-relation queries the response was YES. Maximal size of possible extension queue 1127. Compared 92750 event pairs, 1004 based on Foata normal form. 655/15110 useless extension candidates. Maximal degree in co-relation 81753. Up to 8343 conditions per place. [2021-06-11 11:27:43,080 INFO L151 LiptonReduction]: Number of co-enabled transitions 1660 [2021-06-11 11:27:43,312 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:27:43,312 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:27:43,312 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1451 [2021-06-11 11:27:43,313 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 479 transitions, 6929 flow [2021-06-11 11:27:43,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:43,313 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:27:43,313 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:27:43,313 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 11:27:43,313 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:27:43,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:27:43,314 INFO L82 PathProgramCache]: Analyzing trace with hash -211728029, now seen corresponding path program 7 times [2021-06-11 11:27:43,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:27:43,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845557143] [2021-06-11 11:27:43,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:27:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:27:43,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:43,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:27:43,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:43,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:43,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:43,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:43,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:43,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:43,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:43,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:43,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:43,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:43,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:27:43,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845557143] [2021-06-11 11:27:43,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:27:43,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 11:27:43,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41223767] [2021-06-11 11:27:43,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 11:27:43,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:27:43,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 11:27:43,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 11:27:43,371 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:27:43,371 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 479 transitions, 6929 flow. Second operand has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:43,371 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:27:43,371 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:27:43,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:27:45,538 INFO L129 PetriNetUnfolder]: 14277/20726 cut-off events. [2021-06-11 11:27:45,538 INFO L130 PetriNetUnfolder]: For 80247/85074 co-relation queries the response was YES. [2021-06-11 11:27:45,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130105 conditions, 20726 events. 14277/20726 cut-off events. For 80247/85074 co-relation queries the response was YES. Maximal size of possible extension queue 1585. Compared 136457 event pairs, 1622 based on Foata normal form. 409/21092 useless extension candidates. Maximal degree in co-relation 129409. Up to 10768 conditions per place. [2021-06-11 11:27:45,717 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 90 selfloop transitions, 556 changer transitions 0/659 dead transitions. [2021-06-11 11:27:45,717 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 659 transitions, 10494 flow [2021-06-11 11:27:45,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 11:27:45,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 11:27:45,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 316 transitions. [2021-06-11 11:27:45,719 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6183953033268101 [2021-06-11 11:27:45,719 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 316 transitions. [2021-06-11 11:27:45,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 316 transitions. [2021-06-11 11:27:45,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:27:45,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 316 transitions. [2021-06-11 11:27:45,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 45.142857142857146) internal successors, (316), 7 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:45,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 73.0) internal successors, (584), 8 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:45,722 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 73.0) internal successors, (584), 8 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:45,722 INFO L185 Difference]: Start difference. First operand has 66 places, 479 transitions, 6929 flow. Second operand 7 states and 316 transitions. [2021-06-11 11:27:45,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 659 transitions, 10494 flow [2021-06-11 11:27:45,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 659 transitions, 9998 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 11:27:45,959 INFO L241 Difference]: Finished difference. Result has 71 places, 646 transitions, 10426 flow [2021-06-11 11:27:45,959 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=6517, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=479, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=417, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=10426, PETRI_PLACES=71, PETRI_TRANSITIONS=646} [2021-06-11 11:27:45,960 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 25 predicate places. [2021-06-11 11:27:45,960 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:27:45,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 646 transitions, 10426 flow [2021-06-11 11:27:45,960 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 646 transitions, 10426 flow [2021-06-11 11:27:45,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 646 transitions, 10426 flow [2021-06-11 11:27:47,715 INFO L129 PetriNetUnfolder]: 12063/17722 cut-off events. [2021-06-11 11:27:47,715 INFO L130 PetriNetUnfolder]: For 94195/98598 co-relation queries the response was YES. [2021-06-11 11:27:47,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112729 conditions, 17722 events. 12063/17722 cut-off events. For 94195/98598 co-relation queries the response was YES. Maximal size of possible extension queue 1432. Compared 120311 event pairs, 1126 based on Foata normal form. 823/18342 useless extension candidates. Maximal degree in co-relation 112064. Up to 10359 conditions per place. [2021-06-11 11:27:47,940 INFO L151 LiptonReduction]: Number of co-enabled transitions 2078 [2021-06-11 11:27:48,903 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:27:48,903 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:27:48,903 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2943 [2021-06-11 11:27:48,904 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 646 transitions, 10426 flow [2021-06-11 11:27:48,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:48,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:27:48,904 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:27:48,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 11:27:48,905 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:27:48,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:27:48,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1028067147, now seen corresponding path program 8 times [2021-06-11 11:27:48,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:27:48,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950382621] [2021-06-11 11:27:48,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:27:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:27:48,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:48,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:27:48,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:48,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:48,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:48,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:48,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:48,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:48,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:48,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:48,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:48,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:27:48,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950382621] [2021-06-11 11:27:48,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:27:48,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 11:27:48,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813899612] [2021-06-11 11:27:48,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 11:27:48,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:27:48,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 11:27:48,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 11:27:48,947 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:27:48,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 646 transitions, 10426 flow. Second operand has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:48,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:27:48,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:27:48,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:27:52,161 INFO L129 PetriNetUnfolder]: 14984/21853 cut-off events. [2021-06-11 11:27:52,161 INFO L130 PetriNetUnfolder]: For 130839/138320 co-relation queries the response was YES. [2021-06-11 11:27:52,254 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155527 conditions, 21853 events. 14984/21853 cut-off events. For 130839/138320 co-relation queries the response was YES. Maximal size of possible extension queue 1672. Compared 146589 event pairs, 1684 based on Foata normal form. 595/22404 useless extension candidates. Maximal degree in co-relation 154853. Up to 11448 conditions per place. [2021-06-11 11:27:52,377 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 90 selfloop transitions, 747 changer transitions 0/850 dead transitions. [2021-06-11 11:27:52,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 850 transitions, 15680 flow [2021-06-11 11:27:52,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 11:27:52,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 11:27:52,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 316 transitions. [2021-06-11 11:27:52,379 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6183953033268101 [2021-06-11 11:27:52,379 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 316 transitions. [2021-06-11 11:27:52,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 316 transitions. [2021-06-11 11:27:52,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:27:52,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 316 transitions. [2021-06-11 11:27:52,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 45.142857142857146) internal successors, (316), 7 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:52,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 73.0) internal successors, (584), 8 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:52,382 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 73.0) internal successors, (584), 8 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:52,382 INFO L185 Difference]: Start difference. First operand has 71 places, 646 transitions, 10426 flow. Second operand 7 states and 316 transitions. [2021-06-11 11:27:52,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 850 transitions, 15680 flow [2021-06-11 11:27:52,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 850 transitions, 15671 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 11:27:52,715 INFO L241 Difference]: Finished difference. Result has 77 places, 838 transitions, 15807 flow [2021-06-11 11:27:52,716 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=10417, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=646, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=555, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=15807, PETRI_PLACES=77, PETRI_TRANSITIONS=838} [2021-06-11 11:27:52,716 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 31 predicate places. [2021-06-11 11:27:52,716 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:27:52,716 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 838 transitions, 15807 flow [2021-06-11 11:27:52,716 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 838 transitions, 15807 flow [2021-06-11 11:27:52,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 838 transitions, 15807 flow [2021-06-11 11:27:55,112 INFO L129 PetriNetUnfolder]: 12819/18992 cut-off events. [2021-06-11 11:27:55,112 INFO L130 PetriNetUnfolder]: For 143828/148986 co-relation queries the response was YES. [2021-06-11 11:27:55,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136170 conditions, 18992 events. 12819/18992 cut-off events. For 143828/148986 co-relation queries the response was YES. Maximal size of possible extension queue 1558. Compared 131685 event pairs, 1161 based on Foata normal form. 1062/19897 useless extension candidates. Maximal degree in co-relation 135439. Up to 11265 conditions per place. [2021-06-11 11:27:55,307 INFO L151 LiptonReduction]: Number of co-enabled transitions 2224 [2021-06-11 11:27:57,577 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:27:57,577 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:27:57,578 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4862 [2021-06-11 11:27:57,578 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 838 transitions, 15807 flow [2021-06-11 11:27:57,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:57,579 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:27:57,579 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:27:57,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 11:27:57,579 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:27:57,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:27:57,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1400028729, now seen corresponding path program 9 times [2021-06-11 11:27:57,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:27:57,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063054551] [2021-06-11 11:27:57,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:27:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:27:57,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:57,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:27:57,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:57,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:57,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:57,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:57,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:57,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:27:57,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:27:57,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:27:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:27:57,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063054551] [2021-06-11 11:27:57,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:27:57,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 11:27:57,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005793013] [2021-06-11 11:27:57,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 11:27:57,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:27:57,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 11:27:57,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 11:27:57,612 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:27:57,612 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 838 transitions, 15807 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:27:57,612 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:27:57,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:27:57,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:28:01,870 INFO L129 PetriNetUnfolder]: 15822/23200 cut-off events. [2021-06-11 11:28:01,870 INFO L130 PetriNetUnfolder]: For 184325/192509 co-relation queries the response was YES. [2021-06-11 11:28:01,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 184595 conditions, 23200 events. 15822/23200 cut-off events. For 184325/192509 co-relation queries the response was YES. Maximal size of possible extension queue 1808. Compared 159067 event pairs, 1969 based on Foata normal form. 704/23863 useless extension candidates. Maximal degree in co-relation 183936. Up to 12135 conditions per place. [2021-06-11 11:28:02,033 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 210 selfloop transitions, 832 changer transitions 0/1055 dead transitions. [2021-06-11 11:28:02,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 1055 transitions, 22269 flow [2021-06-11 11:28:02,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 11:28:02,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 11:28:02,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 268 transitions. [2021-06-11 11:28:02,034 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6118721461187214 [2021-06-11 11:28:02,034 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 268 transitions. [2021-06-11 11:28:02,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 268 transitions. [2021-06-11 11:28:02,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:28:02,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 268 transitions. [2021-06-11 11:28:02,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.666666666666664) internal successors, (268), 6 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:02,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:02,036 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:02,036 INFO L185 Difference]: Start difference. First operand has 77 places, 838 transitions, 15807 flow. Second operand 6 states and 268 transitions. [2021-06-11 11:28:02,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 1055 transitions, 22269 flow [2021-06-11 11:28:02,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 1055 transitions, 21201 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 11:28:02,606 INFO L241 Difference]: Finished difference. Result has 79 places, 1031 transitions, 20941 flow [2021-06-11 11:28:02,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=14848, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=834, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=635, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=20941, PETRI_PLACES=79, PETRI_TRANSITIONS=1031} [2021-06-11 11:28:02,607 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 33 predicate places. [2021-06-11 11:28:02,607 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:28:02,607 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 1031 transitions, 20941 flow [2021-06-11 11:28:02,608 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 1031 transitions, 20941 flow [2021-06-11 11:28:02,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 1031 transitions, 20941 flow [2021-06-11 11:28:05,246 INFO L129 PetriNetUnfolder]: 13367/19879 cut-off events. [2021-06-11 11:28:05,246 INFO L130 PetriNetUnfolder]: For 189120/194441 co-relation queries the response was YES. [2021-06-11 11:28:05,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146423 conditions, 19879 events. 13367/19879 cut-off events. For 189120/194441 co-relation queries the response was YES. Maximal size of possible extension queue 1553. Compared 138528 event pairs, 1110 based on Foata normal form. 1002/20810 useless extension candidates. Maximal degree in co-relation 145770. Up to 11796 conditions per place. [2021-06-11 11:28:05,534 INFO L151 LiptonReduction]: Number of co-enabled transitions 2402 [2021-06-11 11:28:06,442 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:28:06,442 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:28:06,443 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3836 [2021-06-11 11:28:06,443 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 1031 transitions, 20941 flow [2021-06-11 11:28:06,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:06,443 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:28:06,443 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:28:06,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 11:28:06,444 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:28:06,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:28:06,444 INFO L82 PathProgramCache]: Analyzing trace with hash 2072459417, now seen corresponding path program 10 times [2021-06-11 11:28:06,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:28:06,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989826783] [2021-06-11 11:28:06,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:28:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:28:06,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:06,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:28:06,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:06,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:06,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:06,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:06,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:06,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:06,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:06,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:28:06,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:28:06,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989826783] [2021-06-11 11:28:06,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:28:06,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 11:28:06,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500107821] [2021-06-11 11:28:06,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 11:28:06,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:28:06,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 11:28:06,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 11:28:06,474 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:28:06,475 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 1031 transitions, 20941 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:06,475 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:28:06,475 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:28:06,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:28:11,546 INFO L129 PetriNetUnfolder]: 16470/24269 cut-off events. [2021-06-11 11:28:11,547 INFO L130 PetriNetUnfolder]: For 226033/233580 co-relation queries the response was YES. [2021-06-11 11:28:11,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196240 conditions, 24269 events. 16470/24269 cut-off events. For 226033/233580 co-relation queries the response was YES. Maximal size of possible extension queue 1951. Compared 168966 event pairs, 1988 based on Foata normal form. 636/24865 useless extension candidates. Maximal degree in co-relation 195585. Up to 12656 conditions per place. [2021-06-11 11:28:11,754 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 210 selfloop transitions, 970 changer transitions 0/1193 dead transitions. [2021-06-11 11:28:11,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 1193 transitions, 26701 flow [2021-06-11 11:28:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 11:28:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 11:28:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 268 transitions. [2021-06-11 11:28:11,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6118721461187214 [2021-06-11 11:28:11,757 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 268 transitions. [2021-06-11 11:28:11,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 268 transitions. [2021-06-11 11:28:11,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:28:11,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 268 transitions. [2021-06-11 11:28:11,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.666666666666664) internal successors, (268), 6 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:11,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:11,759 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:11,759 INFO L185 Difference]: Start difference. First operand has 79 places, 1031 transitions, 20941 flow. Second operand 6 states and 268 transitions. [2021-06-11 11:28:11,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 1193 transitions, 26701 flow [2021-06-11 11:28:12,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 1193 transitions, 25694 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 11:28:12,195 INFO L241 Difference]: Finished difference. Result has 82 places, 1171 transitions, 25461 flow [2021-06-11 11:28:12,196 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=19978, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1027, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=826, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=25461, PETRI_PLACES=82, PETRI_TRANSITIONS=1171} [2021-06-11 11:28:12,196 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 36 predicate places. [2021-06-11 11:28:12,196 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:28:12,196 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 1171 transitions, 25461 flow [2021-06-11 11:28:12,196 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 1171 transitions, 25461 flow [2021-06-11 11:28:12,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 1171 transitions, 25461 flow [2021-06-11 11:28:15,330 INFO L129 PetriNetUnfolder]: 13895/20735 cut-off events. [2021-06-11 11:28:15,330 INFO L130 PetriNetUnfolder]: For 228255/233238 co-relation queries the response was YES. [2021-06-11 11:28:15,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159806 conditions, 20735 events. 13895/20735 cut-off events. For 228255/233238 co-relation queries the response was YES. Maximal size of possible extension queue 1672. Compared 146554 event pairs, 1074 based on Foata normal form. 1138/21770 useless extension candidates. Maximal degree in co-relation 159151. Up to 12306 conditions per place. [2021-06-11 11:28:15,628 INFO L151 LiptonReduction]: Number of co-enabled transitions 2474 [2021-06-11 11:28:16,614 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:28:16,615 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:28:16,615 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4419 [2021-06-11 11:28:16,615 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 1171 transitions, 25461 flow [2021-06-11 11:28:16,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:16,616 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:28:16,616 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:28:16,616 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 11:28:16,616 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:28:16,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:28:16,616 INFO L82 PathProgramCache]: Analyzing trace with hash -909246295, now seen corresponding path program 11 times [2021-06-11 11:28:16,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:28:16,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875402177] [2021-06-11 11:28:16,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:28:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:28:16,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:16,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:28:16,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:16,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:16,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:16,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:16,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:16,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:28:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:28:16,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875402177] [2021-06-11 11:28:16,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:28:16,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 11:28:16,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360353235] [2021-06-11 11:28:16,641 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 11:28:16,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:28:16,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 11:28:16,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 11:28:16,642 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:28:16,642 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 1171 transitions, 25461 flow. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:16,642 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:28:16,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:28:16,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:28:22,364 INFO L129 PetriNetUnfolder]: 16572/24441 cut-off events. [2021-06-11 11:28:22,365 INFO L130 PetriNetUnfolder]: For 258031/269327 co-relation queries the response was YES. [2021-06-11 11:28:22,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204731 conditions, 24441 events. 16572/24441 cut-off events. For 258031/269327 co-relation queries the response was YES. Maximal size of possible extension queue 1950. Compared 171534 event pairs, 2879 based on Foata normal form. 389/24781 useless extension candidates. Maximal degree in co-relation 204154. Up to 21501 conditions per place. [2021-06-11 11:28:22,589 INFO L132 encePairwiseOnDemand]: 61/73 looper letters, 587 selfloop transitions, 740 changer transitions 0/1340 dead transitions. [2021-06-11 11:28:22,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 1340 transitions, 32060 flow [2021-06-11 11:28:22,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 11:28:22,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 11:28:22,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2021-06-11 11:28:22,590 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5972602739726027 [2021-06-11 11:28:22,590 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 218 transitions. [2021-06-11 11:28:22,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 218 transitions. [2021-06-11 11:28:22,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:28:22,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 218 transitions. [2021-06-11 11:28:22,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:22,592 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:22,592 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:22,592 INFO L185 Difference]: Start difference. First operand has 82 places, 1171 transitions, 25461 flow. Second operand 5 states and 218 transitions. [2021-06-11 11:28:22,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 1340 transitions, 32060 flow [2021-06-11 11:28:23,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 1340 transitions, 30913 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 11:28:23,243 INFO L241 Difference]: Finished difference. Result has 84 places, 1311 transitions, 29730 flow [2021-06-11 11:28:23,244 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=24314, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=594, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=567, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=29730, PETRI_PLACES=84, PETRI_TRANSITIONS=1311} [2021-06-11 11:28:23,245 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 38 predicate places. [2021-06-11 11:28:23,245 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:28:23,245 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 1311 transitions, 29730 flow [2021-06-11 11:28:23,245 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 1311 transitions, 29730 flow [2021-06-11 11:28:23,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 1311 transitions, 29730 flow [2021-06-11 11:28:26,650 INFO L129 PetriNetUnfolder]: 13915/20828 cut-off events. [2021-06-11 11:28:26,650 INFO L130 PetriNetUnfolder]: For 238804/243898 co-relation queries the response was YES. [2021-06-11 11:28:26,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155505 conditions, 20828 events. 13915/20828 cut-off events. For 238804/243898 co-relation queries the response was YES. Maximal size of possible extension queue 1671. Compared 149143 event pairs, 1164 based on Foata normal form. 1154/21890 useless extension candidates. Maximal degree in co-relation 154886. Up to 12312 conditions per place. [2021-06-11 11:28:26,849 INFO L151 LiptonReduction]: Number of co-enabled transitions 2546 [2021-06-11 11:28:27,772 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:28:27,772 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:28:27,773 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4528 [2021-06-11 11:28:27,779 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 1311 transitions, 29730 flow [2021-06-11 11:28:27,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:27,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:28:27,779 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:28:27,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 11:28:27,779 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:28:27,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:28:27,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1536550267, now seen corresponding path program 12 times [2021-06-11 11:28:27,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:28:27,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268534400] [2021-06-11 11:28:27,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:28:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:28:27,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:27,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:28:27,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:27,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:27,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:27,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:27,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:27,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:28:27,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:28:27,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268534400] [2021-06-11 11:28:27,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:28:27,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 11:28:27,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128317805] [2021-06-11 11:28:27,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 11:28:27,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:28:27,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 11:28:27,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 11:28:27,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:28:27,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 1311 transitions, 29730 flow. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:27,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:28:27,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:28:27,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:28:34,311 INFO L129 PetriNetUnfolder]: 16559/24461 cut-off events. [2021-06-11 11:28:34,311 INFO L130 PetriNetUnfolder]: For 276065/284161 co-relation queries the response was YES. [2021-06-11 11:28:34,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200109 conditions, 24461 events. 16559/24461 cut-off events. For 276065/284161 co-relation queries the response was YES. Maximal size of possible extension queue 1937. Compared 172256 event pairs, 2698 based on Foata normal form. 293/24713 useless extension candidates. Maximal degree in co-relation 199576. Up to 21399 conditions per place. [2021-06-11 11:28:34,506 INFO L132 encePairwiseOnDemand]: 61/73 looper letters, 587 selfloop transitions, 828 changer transitions 0/1428 dead transitions. [2021-06-11 11:28:34,506 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 1428 transitions, 35381 flow [2021-06-11 11:28:34,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 11:28:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 11:28:34,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2021-06-11 11:28:34,507 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5972602739726027 [2021-06-11 11:28:34,507 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 218 transitions. [2021-06-11 11:28:34,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 218 transitions. [2021-06-11 11:28:34,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:28:34,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 218 transitions. [2021-06-11 11:28:34,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:34,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:34,509 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:34,509 INFO L185 Difference]: Start difference. First operand has 84 places, 1311 transitions, 29730 flow. Second operand 5 states and 218 transitions. [2021-06-11 11:28:34,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 1428 transitions, 35381 flow [2021-06-11 11:28:34,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 1428 transitions, 34556 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 11:28:34,992 INFO L241 Difference]: Finished difference. Result has 87 places, 1403 transitions, 33425 flow [2021-06-11 11:28:34,993 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=28729, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=726, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=571, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=33425, PETRI_PLACES=87, PETRI_TRANSITIONS=1403} [2021-06-11 11:28:34,993 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 41 predicate places. [2021-06-11 11:28:34,993 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:28:34,993 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 1403 transitions, 33425 flow [2021-06-11 11:28:34,994 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 1403 transitions, 33425 flow [2021-06-11 11:28:35,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 1403 transitions, 33425 flow [2021-06-11 11:28:38,862 INFO L129 PetriNetUnfolder]: 13868/20828 cut-off events. [2021-06-11 11:28:38,862 INFO L130 PetriNetUnfolder]: For 247236/252712 co-relation queries the response was YES. [2021-06-11 11:28:38,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156231 conditions, 20828 events. 13868/20828 cut-off events. For 247236/252712 co-relation queries the response was YES. Maximal size of possible extension queue 1678. Compared 148867 event pairs, 1073 based on Foata normal form. 1274/22020 useless extension candidates. Maximal degree in co-relation 155582. Up to 12197 conditions per place. [2021-06-11 11:28:39,066 INFO L151 LiptonReduction]: Number of co-enabled transitions 2574 [2021-06-11 11:28:39,925 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:28:39,925 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:28:39,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4932 [2021-06-11 11:28:39,926 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 1403 transitions, 33425 flow [2021-06-11 11:28:39,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:39,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:28:39,926 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:28:39,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 11:28:39,926 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:28:39,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:28:39,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1063695831, now seen corresponding path program 13 times [2021-06-11 11:28:39,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:28:39,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579004087] [2021-06-11 11:28:39,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:28:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:28:39,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:39,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:28:39,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:39,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:39,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:39,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:39,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:39,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:39,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:39,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:39,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:39,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:39,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:39,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:28:39,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:39,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:39,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:39,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:39,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:39,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:39,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:39,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:28:39,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:28:39,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579004087] [2021-06-11 11:28:39,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:28:39,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 11:28:39,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060303591] [2021-06-11 11:28:39,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 11:28:39,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:28:39,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 11:28:39,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-11 11:28:39,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:28:39,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 1403 transitions, 33425 flow. Second operand has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:39,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:28:39,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:28:39,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:28:47,770 INFO L129 PetriNetUnfolder]: 18506/27957 cut-off events. [2021-06-11 11:28:47,770 INFO L130 PetriNetUnfolder]: For 282616/291967 co-relation queries the response was YES. [2021-06-11 11:28:47,860 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221537 conditions, 27957 events. 18506/27957 cut-off events. For 282616/291967 co-relation queries the response was YES. Maximal size of possible extension queue 2228. Compared 206019 event pairs, 472 based on Foata normal form. 800/28717 useless extension candidates. Maximal degree in co-relation 220599. Up to 14548 conditions per place. [2021-06-11 11:28:47,995 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 69 selfloop transitions, 1529 changer transitions 0/1611 dead transitions. [2021-06-11 11:28:47,995 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 1611 transitions, 39529 flow [2021-06-11 11:28:47,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 11:28:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 11:28:47,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 364 transitions. [2021-06-11 11:28:47,996 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6232876712328768 [2021-06-11 11:28:47,996 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 364 transitions. [2021-06-11 11:28:47,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 364 transitions. [2021-06-11 11:28:47,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:28:47,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 364 transitions. [2021-06-11 11:28:47,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 45.5) internal successors, (364), 8 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:47,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 73.0) internal successors, (657), 9 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:47,999 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 73.0) internal successors, (657), 9 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:47,999 INFO L185 Difference]: Start difference. First operand has 87 places, 1403 transitions, 33425 flow. Second operand 8 states and 364 transitions. [2021-06-11 11:28:47,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 1611 transitions, 39529 flow [2021-06-11 11:28:48,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 1611 transitions, 38704 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 11:28:48,559 INFO L241 Difference]: Finished difference. Result has 95 places, 1578 transitions, 39957 flow [2021-06-11 11:28:48,560 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=32600, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1366, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=39957, PETRI_PLACES=95, PETRI_TRANSITIONS=1578} [2021-06-11 11:28:48,560 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 49 predicate places. [2021-06-11 11:28:48,560 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:28:48,560 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 1578 transitions, 39957 flow [2021-06-11 11:28:48,560 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 1578 transitions, 39957 flow [2021-06-11 11:28:48,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 1578 transitions, 39957 flow [2021-06-11 11:28:53,308 INFO L129 PetriNetUnfolder]: 16030/24294 cut-off events. [2021-06-11 11:28:53,308 INFO L130 PetriNetUnfolder]: For 407740/417941 co-relation queries the response was YES. [2021-06-11 11:28:53,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205174 conditions, 24294 events. 16030/24294 cut-off events. For 407740/417941 co-relation queries the response was YES. Maximal size of possible extension queue 1932. Compared 179073 event pairs, 547 based on Foata normal form. 2113/26342 useless extension candidates. Maximal degree in co-relation 204137. Up to 14548 conditions per place. [2021-06-11 11:28:53,717 INFO L151 LiptonReduction]: Number of co-enabled transitions 3084 [2021-06-11 11:28:54,963 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:28:54,963 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:28:54,963 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6403 [2021-06-11 11:28:54,964 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 1578 transitions, 39957 flow [2021-06-11 11:28:54,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:54,964 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:28:54,964 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:28:54,964 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 11:28:54,964 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:28:54,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:28:54,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1509609301, now seen corresponding path program 14 times [2021-06-11 11:28:54,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:28:54,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166198153] [2021-06-11 11:28:54,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:28:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:28:54,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:54,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:28:54,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:54,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:54,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:54,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:28:54,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:28:54,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:28:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:28:54,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166198153] [2021-06-11 11:28:54,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:28:54,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 11:28:54,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775050896] [2021-06-11 11:28:54,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 11:28:54,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:28:54,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 11:28:54,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-11 11:28:54,992 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:28:54,992 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 1578 transitions, 39957 flow. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:28:54,992 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:28:54,992 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:28:54,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:29:04,163 INFO L129 PetriNetUnfolder]: 18436/27575 cut-off events. [2021-06-11 11:29:04,163 INFO L130 PetriNetUnfolder]: For 409056/419481 co-relation queries the response was YES. [2021-06-11 11:29:04,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 255348 conditions, 27575 events. 18436/27575 cut-off events. For 409056/419481 co-relation queries the response was YES. Maximal size of possible extension queue 2121. Compared 200799 event pairs, 1660 based on Foata normal form. 285/27818 useless extension candidates. Maximal degree in co-relation 254765. Up to 24362 conditions per place. [2021-06-11 11:29:04,405 INFO L132 encePairwiseOnDemand]: 61/73 looper letters, 762 selfloop transitions, 881 changer transitions 1/1657 dead transitions. [2021-06-11 11:29:04,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 1657 transitions, 45263 flow [2021-06-11 11:29:04,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 11:29:04,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 11:29:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2021-06-11 11:29:04,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5972602739726027 [2021-06-11 11:29:04,406 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 218 transitions. [2021-06-11 11:29:04,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 218 transitions. [2021-06-11 11:29:04,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:29:04,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 218 transitions. [2021-06-11 11:29:04,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:04,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:04,408 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:04,408 INFO L185 Difference]: Start difference. First operand has 95 places, 1578 transitions, 39957 flow. Second operand 5 states and 218 transitions. [2021-06-11 11:29:04,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 1657 transitions, 45263 flow [2021-06-11 11:29:05,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 1657 transitions, 44971 flow, removed 71 selfloop flow, removed 2 redundant places. [2021-06-11 11:29:05,727 INFO L241 Difference]: Finished difference. Result has 98 places, 1635 transitions, 43459 flow [2021-06-11 11:29:05,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=39289, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=811, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=751, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=43459, PETRI_PLACES=98, PETRI_TRANSITIONS=1635} [2021-06-11 11:29:05,728 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 52 predicate places. [2021-06-11 11:29:05,728 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:29:05,728 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 1635 transitions, 43459 flow [2021-06-11 11:29:05,729 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 1635 transitions, 43459 flow [2021-06-11 11:29:05,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 1635 transitions, 43459 flow [2021-06-11 11:29:10,629 INFO L129 PetriNetUnfolder]: 15821/23876 cut-off events. [2021-06-11 11:29:10,629 INFO L130 PetriNetUnfolder]: For 389127/394978 co-relation queries the response was YES. [2021-06-11 11:29:10,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197126 conditions, 23876 events. 15821/23876 cut-off events. For 389127/394978 co-relation queries the response was YES. Maximal size of possible extension queue 1894. Compared 175063 event pairs, 588 based on Foata normal form. 1901/25747 useless extension candidates. Maximal degree in co-relation 196179. Up to 14412 conditions per place. [2021-06-11 11:29:10,858 INFO L151 LiptonReduction]: Number of co-enabled transitions 3068 [2021-06-11 11:29:14,829 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:29:14,829 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:29:14,829 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9101 [2021-06-11 11:29:14,830 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 1635 transitions, 43459 flow [2021-06-11 11:29:14,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:14,830 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:29:14,830 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:29:14,830 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 11:29:14,830 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:29:14,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:29:14,830 INFO L82 PathProgramCache]: Analyzing trace with hash -2126731623, now seen corresponding path program 15 times [2021-06-11 11:29:14,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:29:14,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353466474] [2021-06-11 11:29:14,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:29:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:29:14,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:14,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:29:14,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:14,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:14,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:14,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:14,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:14,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:14,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:14,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:14,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:14,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:14,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:14,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:29:14,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:29:14,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353466474] [2021-06-11 11:29:14,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:29:14,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 11:29:14,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834363266] [2021-06-11 11:29:14,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 11:29:14,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:29:14,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 11:29:14,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-06-11 11:29:14,874 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:29:14,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 1635 transitions, 43459 flow. Second operand has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:14,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:29:14,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:29:14,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:29:24,424 INFO L129 PetriNetUnfolder]: 18280/27566 cut-off events. [2021-06-11 11:29:24,425 INFO L130 PetriNetUnfolder]: For 397357/402647 co-relation queries the response was YES. [2021-06-11 11:29:24,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250030 conditions, 27566 events. 18280/27566 cut-off events. For 397357/402647 co-relation queries the response was YES. Maximal size of possible extension queue 2202. Compared 203350 event pairs, 660 based on Foata normal form. 394/27939 useless extension candidates. Maximal degree in co-relation 249196. Up to 14735 conditions per place. [2021-06-11 11:29:24,676 INFO L132 encePairwiseOnDemand]: 59/73 looper letters, 109 selfloop transitions, 1754 changer transitions 0/1876 dead transitions. [2021-06-11 11:29:24,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 1876 transitions, 54109 flow [2021-06-11 11:29:24,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 11:29:24,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 11:29:24,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 362 transitions. [2021-06-11 11:29:24,685 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6198630136986302 [2021-06-11 11:29:24,685 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 362 transitions. [2021-06-11 11:29:24,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 362 transitions. [2021-06-11 11:29:24,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:29:24,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 362 transitions. [2021-06-11 11:29:24,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 45.25) internal successors, (362), 8 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:24,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 73.0) internal successors, (657), 9 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:24,687 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 73.0) internal successors, (657), 9 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:24,687 INFO L185 Difference]: Start difference. First operand has 98 places, 1635 transitions, 43459 flow. Second operand 8 states and 362 transitions. [2021-06-11 11:29:24,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 1876 transitions, 54109 flow [2021-06-11 11:29:25,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 1876 transitions, 53027 flow, removed 24 selfloop flow, removed 2 redundant places. [2021-06-11 11:29:25,768 INFO L241 Difference]: Finished difference. Result has 105 places, 1867 transitions, 54052 flow [2021-06-11 11:29:25,769 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=42296, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1514, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=54052, PETRI_PLACES=105, PETRI_TRANSITIONS=1867} [2021-06-11 11:29:25,769 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 59 predicate places. [2021-06-11 11:29:25,770 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:29:25,770 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 1867 transitions, 54052 flow [2021-06-11 11:29:25,770 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 1867 transitions, 54052 flow [2021-06-11 11:29:25,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 1867 transitions, 54052 flow [2021-06-11 11:29:31,651 INFO L129 PetriNetUnfolder]: 16015/24371 cut-off events. [2021-06-11 11:29:31,651 INFO L130 PetriNetUnfolder]: For 468528/478166 co-relation queries the response was YES. [2021-06-11 11:29:31,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222592 conditions, 24371 events. 16015/24371 cut-off events. For 468528/478166 co-relation queries the response was YES. Maximal size of possible extension queue 1946. Compared 181074 event pairs, 569 based on Foata normal form. 2096/26401 useless extension candidates. Maximal degree in co-relation 221523. Up to 14735 conditions per place. [2021-06-11 11:29:32,124 INFO L151 LiptonReduction]: Number of co-enabled transitions 3106 [2021-06-11 11:29:33,155 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:29:33,156 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:29:33,156 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7386 [2021-06-11 11:29:33,156 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 1867 transitions, 54052 flow [2021-06-11 11:29:33,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:33,157 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:29:33,157 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:29:33,157 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 11:29:33,157 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:29:33,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:29:33,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1122470085, now seen corresponding path program 16 times [2021-06-11 11:29:33,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:29:33,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788630866] [2021-06-11 11:29:33,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:29:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:29:33,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:33,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:29:33,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:33,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:33,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:33,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:33,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:33,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:33,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:33,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:33,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:33,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:29:33,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:29:33,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788630866] [2021-06-11 11:29:33,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:29:33,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 11:29:33,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268472788] [2021-06-11 11:29:33,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 11:29:33,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:29:33,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 11:29:33,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 11:29:33,193 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:29:33,193 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 1867 transitions, 54052 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:33,193 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:29:33,193 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:29:33,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:29:43,267 INFO L129 PetriNetUnfolder]: 15378/23826 cut-off events. [2021-06-11 11:29:43,267 INFO L130 PetriNetUnfolder]: For 347169/352233 co-relation queries the response was YES. [2021-06-11 11:29:43,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233924 conditions, 23826 events. 15378/23826 cut-off events. For 347169/352233 co-relation queries the response was YES. Maximal size of possible extension queue 1868. Compared 179090 event pairs, 682 based on Foata normal form. 1186/24996 useless extension candidates. Maximal degree in co-relation 233087. Up to 12695 conditions per place. [2021-06-11 11:29:43,475 INFO L132 encePairwiseOnDemand]: 59/73 looper letters, 338 selfloop transitions, 1446 changer transitions 0/1797 dead transitions. [2021-06-11 11:29:43,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 1797 transitions, 53856 flow [2021-06-11 11:29:43,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 11:29:43,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 11:29:43,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 266 transitions. [2021-06-11 11:29:43,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6073059360730594 [2021-06-11 11:29:43,477 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 266 transitions. [2021-06-11 11:29:43,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 266 transitions. [2021-06-11 11:29:43,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:29:43,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 266 transitions. [2021-06-11 11:29:43,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:43,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:43,478 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:43,478 INFO L185 Difference]: Start difference. First operand has 105 places, 1867 transitions, 54052 flow. Second operand 6 states and 266 transitions. [2021-06-11 11:29:43,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 1797 transitions, 53856 flow [2021-06-11 11:29:45,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 1797 transitions, 51215 flow, removed 1043 selfloop flow, removed 4 redundant places. [2021-06-11 11:29:45,140 INFO L241 Difference]: Finished difference. Result has 108 places, 1763 transitions, 51372 flow [2021-06-11 11:29:45,141 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=37944, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=51372, PETRI_PLACES=108, PETRI_TRANSITIONS=1763} [2021-06-11 11:29:45,141 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 62 predicate places. [2021-06-11 11:29:45,141 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:29:45,141 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 1763 transitions, 51372 flow [2021-06-11 11:29:45,141 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 1763 transitions, 51372 flow [2021-06-11 11:29:45,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 1763 transitions, 51372 flow [2021-06-11 11:29:49,983 INFO L129 PetriNetUnfolder]: 13646/21234 cut-off events. [2021-06-11 11:29:49,983 INFO L130 PetriNetUnfolder]: For 337924/342427 co-relation queries the response was YES. [2021-06-11 11:29:50,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197170 conditions, 21234 events. 13646/21234 cut-off events. For 337924/342427 co-relation queries the response was YES. Maximal size of possible extension queue 1664. Compared 160887 event pairs, 451 based on Foata normal form. 946/22151 useless extension candidates. Maximal degree in co-relation 196279. Up to 11709 conditions per place. [2021-06-11 11:29:50,427 INFO L151 LiptonReduction]: Number of co-enabled transitions 2612 [2021-06-11 11:29:51,284 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:29:51,284 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:29:51,284 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6143 [2021-06-11 11:29:51,285 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 1763 transitions, 51372 flow [2021-06-11 11:29:51,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:51,285 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:29:51,285 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:29:51,285 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 11:29:51,285 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:29:51,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:29:51,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1853073033, now seen corresponding path program 17 times [2021-06-11 11:29:51,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:29:51,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908680376] [2021-06-11 11:29:51,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:29:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:29:51,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:51,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:29:51,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:51,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:51,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:51,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:29:51,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:51,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:51,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:51,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:29:51,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:51,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:51,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:51,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:29:51,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:51,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:51,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:51,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:29:51,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:29:51,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:29:51,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:29:51,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908680376] [2021-06-11 11:29:51,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:29:51,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 11:29:51,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489827804] [2021-06-11 11:29:51,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 11:29:51,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:29:51,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 11:29:51,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 11:29:51,328 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:29:51,328 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 1763 transitions, 51372 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:29:51,328 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:29:51,328 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:29:51,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:30:01,807 INFO L129 PetriNetUnfolder]: 17870/27666 cut-off events. [2021-06-11 11:30:01,807 INFO L130 PetriNetUnfolder]: For 384184/389494 co-relation queries the response was YES. [2021-06-11 11:30:01,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262859 conditions, 27666 events. 17870/27666 cut-off events. For 384184/389494 co-relation queries the response was YES. Maximal size of possible extension queue 2192. Compared 211898 event pairs, 844 based on Foata normal form. 363/28010 useless extension candidates. Maximal degree in co-relation 261934. Up to 13435 conditions per place. [2021-06-11 11:30:02,107 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 359 selfloop transitions, 1539 changer transitions 0/1911 dead transitions. [2021-06-11 11:30:02,107 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 1911 transitions, 56871 flow [2021-06-11 11:30:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 11:30:02,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 11:30:02,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 267 transitions. [2021-06-11 11:30:02,108 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6095890410958904 [2021-06-11 11:30:02,108 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 267 transitions. [2021-06-11 11:30:02,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 267 transitions. [2021-06-11 11:30:02,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:30:02,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 267 transitions. [2021-06-11 11:30:02,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.5) internal successors, (267), 6 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) [2021-06-11 11:30:02,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:30:02,110 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:30:02,110 INFO L185 Difference]: Start difference. First operand has 108 places, 1763 transitions, 51372 flow. Second operand 6 states and 267 transitions. [2021-06-11 11:30:02,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 1911 transitions, 56871 flow [2021-06-11 11:30:04,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 1911 transitions, 54839 flow, removed 154 selfloop flow, removed 4 redundant places. [2021-06-11 11:30:04,443 INFO L241 Difference]: Finished difference. Result has 112 places, 1858 transitions, 56497 flow [2021-06-11 11:30:04,444 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=49348, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1478, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=56497, PETRI_PLACES=112, PETRI_TRANSITIONS=1858} [2021-06-11 11:30:04,445 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 66 predicate places. [2021-06-11 11:30:04,445 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:30:04,445 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 1858 transitions, 56497 flow [2021-06-11 11:30:04,445 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 1858 transitions, 56497 flow [2021-06-11 11:30:04,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 1858 transitions, 56497 flow [2021-06-11 11:30:11,309 INFO L129 PetriNetUnfolder]: 15739/24442 cut-off events. [2021-06-11 11:30:11,309 INFO L130 PetriNetUnfolder]: For 473420/482651 co-relation queries the response was YES. [2021-06-11 11:30:11,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231138 conditions, 24442 events. 15739/24442 cut-off events. For 473420/482651 co-relation queries the response was YES. Maximal size of possible extension queue 1844. Compared 188325 event pairs, 451 based on Foata normal form. 1700/26093 useless extension candidates. Maximal degree in co-relation 230170. Up to 12419 conditions per place. [2021-06-11 11:30:11,587 INFO L151 LiptonReduction]: Number of co-enabled transitions 3008 [2021-06-11 11:30:13,482 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:30:13,483 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:30:13,483 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9038 [2021-06-11 11:30:13,483 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 1858 transitions, 56497 flow [2021-06-11 11:30:13,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:30:13,484 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:30:13,484 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:30:13,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 11:30:13,484 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:30:13,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:30:13,484 INFO L82 PathProgramCache]: Analyzing trace with hash 827492975, now seen corresponding path program 18 times [2021-06-11 11:30:13,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:30:13,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62027672] [2021-06-11 11:30:13,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:30:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:30:13,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:13,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:30:13,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:13,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:30:13,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:13,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:30:13,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:13,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:30:13,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:13,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:30:13,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:13,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:30:13,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:30:13,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62027672] [2021-06-11 11:30:13,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:30:13,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 11:30:13,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529109969] [2021-06-11 11:30:13,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 11:30:13,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:30:13,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 11:30:13,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 11:30:13,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:30:13,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 1858 transitions, 56497 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:30:13,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:30:13,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:30:13,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:30:26,588 INFO L129 PetriNetUnfolder]: 18332/28754 cut-off events. [2021-06-11 11:30:26,589 INFO L130 PetriNetUnfolder]: For 526060/531777 co-relation queries the response was YES. [2021-06-11 11:30:26,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 293303 conditions, 28754 events. 18332/28754 cut-off events. For 526060/531777 co-relation queries the response was YES. Maximal size of possible extension queue 2327. Compared 226060 event pairs, 856 based on Foata normal form. 803/29539 useless extension candidates. Maximal degree in co-relation 292205. Up to 15602 conditions per place. [2021-06-11 11:30:26,866 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 427 selfloop transitions, 1598 changer transitions 0/2038 dead transitions. [2021-06-11 11:30:26,866 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 2038 transitions, 66005 flow [2021-06-11 11:30:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 11:30:26,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 11:30:26,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 267 transitions. [2021-06-11 11:30:26,867 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6095890410958904 [2021-06-11 11:30:26,867 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 267 transitions. [2021-06-11 11:30:26,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 267 transitions. [2021-06-11 11:30:26,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:30:26,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 267 transitions. [2021-06-11 11:30:26,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.5) internal successors, (267), 6 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) [2021-06-11 11:30:26,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:30:26,868 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:30:26,868 INFO L185 Difference]: Start difference. First operand has 112 places, 1858 transitions, 56497 flow. Second operand 6 states and 267 transitions. [2021-06-11 11:30:26,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 2038 transitions, 66005 flow [2021-06-11 11:30:29,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 2038 transitions, 65953 flow, removed 23 selfloop flow, removed 1 redundant places. [2021-06-11 11:30:29,828 INFO L241 Difference]: Finished difference. Result has 116 places, 2006 transitions, 64557 flow [2021-06-11 11:30:29,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=56034, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1845, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1437, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=64557, PETRI_PLACES=116, PETRI_TRANSITIONS=2006} [2021-06-11 11:30:29,830 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 70 predicate places. [2021-06-11 11:30:29,830 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:30:29,830 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 2006 transitions, 64557 flow [2021-06-11 11:30:29,830 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 2006 transitions, 64557 flow [2021-06-11 11:30:29,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 116 places, 2006 transitions, 64557 flow [2021-06-11 11:30:37,577 INFO L129 PetriNetUnfolder]: 16146/25252 cut-off events. [2021-06-11 11:30:37,577 INFO L130 PetriNetUnfolder]: For 540721/548602 co-relation queries the response was YES. [2021-06-11 11:30:37,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 248589 conditions, 25252 events. 16146/25252 cut-off events. For 540721/548602 co-relation queries the response was YES. Maximal size of possible extension queue 2007. Compared 197834 event pairs, 394 based on Foata normal form. 1697/26914 useless extension candidates. Maximal degree in co-relation 247579. Up to 12696 conditions per place. [2021-06-11 11:30:37,858 INFO L151 LiptonReduction]: Number of co-enabled transitions 3146 [2021-06-11 11:30:41,289 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:30:41,289 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:30:41,289 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11459 [2021-06-11 11:30:41,290 INFO L480 AbstractCegarLoop]: Abstraction has has 116 places, 2006 transitions, 64557 flow [2021-06-11 11:30:41,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:30:41,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:30:41,290 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:30:41,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 11:30:41,290 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:30:41,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:30:41,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1908310079, now seen corresponding path program 19 times [2021-06-11 11:30:41,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:30:41,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454011620] [2021-06-11 11:30:41,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:30:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:30:41,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:41,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:30:41,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:41,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:30:41,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:41,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:30:41,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:41,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:30:41,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:41,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:30:41,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:41,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:30:41,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:41,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:30:41,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:41,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:30:41,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:41,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:30:41,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:41,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:30:41,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:41,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:30:41,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:30:41,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:30:41,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:30:41,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454011620] [2021-06-11 11:30:41,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:30:41,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 11:30:41,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096584788] [2021-06-11 11:30:41,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 11:30:41,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:30:41,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 11:30:41,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 11:30:41,331 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:30:41,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 2006 transitions, 64557 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:30:41,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:30:41,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:30:41,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:30:55,592 INFO L129 PetriNetUnfolder]: 18712/29260 cut-off events. [2021-06-11 11:30:55,593 INFO L130 PetriNetUnfolder]: For 555568/561745 co-relation queries the response was YES. [2021-06-11 11:30:55,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 305636 conditions, 29260 events. 18712/29260 cut-off events. For 555568/561745 co-relation queries the response was YES. Maximal size of possible extension queue 2393. Compared 230154 event pairs, 754 based on Foata normal form. 447/29688 useless extension candidates. Maximal degree in co-relation 304689. Up to 12960 conditions per place. [2021-06-11 11:30:55,998 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 359 selfloop transitions, 1718 changer transitions 0/2090 dead transitions. [2021-06-11 11:30:55,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 2090 transitions, 69922 flow [2021-06-11 11:30:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 11:30:55,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 11:30:56,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 267 transitions. [2021-06-11 11:30:56,000 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6095890410958904 [2021-06-11 11:30:56,000 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 267 transitions. [2021-06-11 11:30:56,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 267 transitions. [2021-06-11 11:30:56,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:30:56,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 267 transitions. [2021-06-11 11:30:56,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.5) internal successors, (267), 6 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) [2021-06-11 11:30:56,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:30:56,002 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:30:56,002 INFO L185 Difference]: Start difference. First operand has 116 places, 2006 transitions, 64557 flow. Second operand 6 states and 267 transitions. [2021-06-11 11:30:56,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 2090 transitions, 69922 flow [2021-06-11 11:30:58,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 2090 transitions, 68291 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 11:30:58,830 INFO L241 Difference]: Finished difference. Result has 119 places, 2040 transitions, 67722 flow [2021-06-11 11:30:58,831 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=62926, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2006, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1684, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=67722, PETRI_PLACES=119, PETRI_TRANSITIONS=2040} [2021-06-11 11:30:58,832 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 73 predicate places. [2021-06-11 11:30:58,832 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:30:58,832 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 2040 transitions, 67722 flow [2021-06-11 11:30:58,832 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 2040 transitions, 67722 flow [2021-06-11 11:30:58,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 2040 transitions, 67722 flow [2021-06-11 11:31:06,121 INFO L129 PetriNetUnfolder]: 16426/25734 cut-off events. [2021-06-11 11:31:06,121 INFO L130 PetriNetUnfolder]: For 644581/654562 co-relation queries the response was YES. [2021-06-11 11:31:06,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 264546 conditions, 25734 events. 16426/25734 cut-off events. For 644581/654562 co-relation queries the response was YES. Maximal size of possible extension queue 2023. Compared 201723 event pairs, 391 based on Foata normal form. 1944/27648 useless extension candidates. Maximal degree in co-relation 263593. Up to 12950 conditions per place. [2021-06-11 11:31:06,490 INFO L151 LiptonReduction]: Number of co-enabled transitions 3210 [2021-06-11 11:31:08,362 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:31:08,362 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:31:08,362 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9530 [2021-06-11 11:31:08,362 INFO L480 AbstractCegarLoop]: Abstraction has has 119 places, 2040 transitions, 67722 flow [2021-06-11 11:31:08,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:31:08,363 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:31:08,363 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:31:08,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 11:31:08,363 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:31:08,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:31:08,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1918888399, now seen corresponding path program 20 times [2021-06-11 11:31:08,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:31:08,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82770959] [2021-06-11 11:31:08,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:31:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:31:08,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:08,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:31:08,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:08,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:31:08,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:08,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:31:08,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:08,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:31:08,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:08,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:31:08,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:08,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:31:08,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:08,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:31:08,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:08,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:31:08,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:08,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:31:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:31:08,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82770959] [2021-06-11 11:31:08,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:31:08,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 11:31:08,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573196194] [2021-06-11 11:31:08,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 11:31:08,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:31:08,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 11:31:08,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-06-11 11:31:08,415 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:31:08,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 2040 transitions, 67722 flow. Second operand has 10 states, 10 states have (on average 36.4) internal successors, (364), 10 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:31:08,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:31:08,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:31:08,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:31:23,083 INFO L129 PetriNetUnfolder]: 18803/29663 cut-off events. [2021-06-11 11:31:23,083 INFO L130 PetriNetUnfolder]: For 631461/637900 co-relation queries the response was YES. [2021-06-11 11:31:23,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 321794 conditions, 29663 events. 18803/29663 cut-off events. For 631461/637900 co-relation queries the response was YES. Maximal size of possible extension queue 2413. Compared 236345 event pairs, 590 based on Foata normal form. 204/29848 useless extension candidates. Maximal degree in co-relation 320693. Up to 13081 conditions per place. [2021-06-11 11:31:23,373 INFO L132 encePairwiseOnDemand]: 59/73 looper letters, 233 selfloop transitions, 2221 changer transitions 0/2467 dead transitions. [2021-06-11 11:31:23,373 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 2467 transitions, 86018 flow [2021-06-11 11:31:23,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 11:31:23,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 11:31:23,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 489 transitions. [2021-06-11 11:31:23,374 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6089663760896638 [2021-06-11 11:31:23,374 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 489 transitions. [2021-06-11 11:31:23,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 489 transitions. [2021-06-11 11:31:23,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:31:23,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 489 transitions. [2021-06-11 11:31:23,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 44.45454545454545) internal successors, (489), 11 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:31:23,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 73.0) internal successors, (876), 12 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:31:23,376 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 73.0) internal successors, (876), 12 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:31:23,376 INFO L185 Difference]: Start difference. First operand has 119 places, 2040 transitions, 67722 flow. Second operand 11 states and 489 transitions. [2021-06-11 11:31:23,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 2467 transitions, 86018 flow [2021-06-11 11:31:26,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 2467 transitions, 83916 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 11:31:26,476 INFO L241 Difference]: Finished difference. Result has 129 places, 2457 transitions, 85282 flow [2021-06-11 11:31:26,477 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=65968, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2040, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1815, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=85282, PETRI_PLACES=129, PETRI_TRANSITIONS=2457} [2021-06-11 11:31:26,477 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 83 predicate places. [2021-06-11 11:31:26,477 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:31:26,477 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 2457 transitions, 85282 flow [2021-06-11 11:31:26,477 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 2457 transitions, 85282 flow [2021-06-11 11:31:26,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 2457 transitions, 85282 flow [2021-06-11 11:31:35,236 INFO L129 PetriNetUnfolder]: 16516/25963 cut-off events. [2021-06-11 11:31:35,237 INFO L130 PetriNetUnfolder]: For 622989/627940 co-relation queries the response was YES. [2021-06-11 11:31:35,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 279095 conditions, 25963 events. 16516/25963 cut-off events. For 622989/627940 co-relation queries the response was YES. Maximal size of possible extension queue 2084. Compared 204478 event pairs, 284 based on Foata normal form. 1222/27147 useless extension candidates. Maximal degree in co-relation 278096. Up to 13075 conditions per place. [2021-06-11 11:31:35,564 INFO L151 LiptonReduction]: Number of co-enabled transitions 3484 [2021-06-11 11:31:37,729 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:31:37,729 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:31:37,729 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11252 [2021-06-11 11:31:37,730 INFO L480 AbstractCegarLoop]: Abstraction has has 129 places, 2457 transitions, 85282 flow [2021-06-11 11:31:37,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 36.4) internal successors, (364), 10 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:31:37,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:31:37,730 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:31:37,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 11:31:37,731 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:31:37,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:31:37,731 INFO L82 PathProgramCache]: Analyzing trace with hash 922052671, now seen corresponding path program 21 times [2021-06-11 11:31:37,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:31:37,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830967308] [2021-06-11 11:31:37,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:31:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:31:37,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:37,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:31:37,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:37,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:31:37,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:37,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:31:37,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:37,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:31:37,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:37,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:31:37,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:37,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:31:37,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:37,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:31:37,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:37,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:31:37,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:37,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:31:37,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:37,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:31:37,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:37,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:31:37,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:31:37,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:31:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:31:37,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830967308] [2021-06-11 11:31:37,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:31:37,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 11:31:37,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346854768] [2021-06-11 11:31:37,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 11:31:37,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:31:37,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 11:31:37,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 11:31:37,771 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:31:37,771 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 2457 transitions, 85282 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:31:37,771 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:31:37,771 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:31:37,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:31:57,573 INFO L129 PetriNetUnfolder]: 19628/31260 cut-off events. [2021-06-11 11:31:57,573 INFO L130 PetriNetUnfolder]: For 921073/927421 co-relation queries the response was YES. [2021-06-11 11:31:57,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 358582 conditions, 31260 events. 19628/31260 cut-off events. For 921073/927421 co-relation queries the response was YES. Maximal size of possible extension queue 2686. Compared 256956 event pairs, 1151 based on Foata normal form. 1266/32509 useless extension candidates. Maximal degree in co-relation 357582. Up to 13690 conditions per place. [2021-06-11 11:31:57,927 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 448 selfloop transitions, 2323 changer transitions 0/2784 dead transitions. [2021-06-11 11:31:57,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 2784 transitions, 101093 flow [2021-06-11 11:31:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 11:31:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 11:31:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 267 transitions. [2021-06-11 11:31:57,928 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6095890410958904 [2021-06-11 11:31:57,929 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 267 transitions. [2021-06-11 11:31:57,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 267 transitions. [2021-06-11 11:31:57,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:31:57,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 267 transitions. [2021-06-11 11:31:57,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.5) internal successors, (267), 6 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) [2021-06-11 11:31:57,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:31:57,930 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:31:57,930 INFO L185 Difference]: Start difference. First operand has 129 places, 2457 transitions, 85282 flow. Second operand 6 states and 267 transitions. [2021-06-11 11:31:57,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 2784 transitions, 101093 flow [2021-06-11 11:32:03,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 2784 transitions, 100947 flow, removed 70 selfloop flow, removed 1 redundant places. [2021-06-11 11:32:03,199 INFO L241 Difference]: Finished difference. Result has 134 places, 2734 transitions, 100581 flow [2021-06-11 11:32:03,200 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=83498, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2004, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=100581, PETRI_PLACES=134, PETRI_TRANSITIONS=2734} [2021-06-11 11:32:03,200 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 88 predicate places. [2021-06-11 11:32:03,200 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:32:03,201 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 2734 transitions, 100581 flow [2021-06-11 11:32:03,201 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 2734 transitions, 100581 flow [2021-06-11 11:32:03,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 2734 transitions, 100581 flow [2021-06-11 11:32:13,650 INFO L129 PetriNetUnfolder]: 17164/27247 cut-off events. [2021-06-11 11:32:13,650 INFO L130 PetriNetUnfolder]: For 746442/754131 co-relation queries the response was YES. [2021-06-11 11:32:13,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 315504 conditions, 27247 events. 17164/27247 cut-off events. For 746442/754131 co-relation queries the response was YES. Maximal size of possible extension queue 2302. Compared 219843 event pairs, 312 based on Foata normal form. 1703/28899 useless extension candidates. Maximal degree in co-relation 314487. Up to 13666 conditions per place. [2021-06-11 11:32:14,149 INFO L151 LiptonReduction]: Number of co-enabled transitions 3714 [2021-06-11 11:32:15,982 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:32:15,982 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:32:15,982 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12782 [2021-06-11 11:32:15,983 INFO L480 AbstractCegarLoop]: Abstraction has has 134 places, 2734 transitions, 100581 flow [2021-06-11 11:32:15,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:32:15,983 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:32:15,983 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:32:15,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 11:32:15,983 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:32:15,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:32:15,984 INFO L82 PathProgramCache]: Analyzing trace with hash -402485423, now seen corresponding path program 22 times [2021-06-11 11:32:15,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:32:15,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768451714] [2021-06-11 11:32:15,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:32:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:32:15,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:32:15,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:32:16,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:32:16,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:32:16,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:32:16,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:32:16,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:32:16,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:32:16,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:32:16,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:32:16,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:32:16,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:32:16,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:32:16,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:32:16,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:32:16,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:32:16,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:32:16,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:32:16,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:32:16,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:32:16,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:32:16,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:32:16,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:32:16,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:32:16,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:32:16,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768451714] [2021-06-11 11:32:16,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:32:16,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 11:32:16,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485896198] [2021-06-11 11:32:16,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 11:32:16,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:32:16,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 11:32:16,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 11:32:16,016 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:32:16,016 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 2734 transitions, 100581 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:32:16,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:32:16,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:32:16,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:32:39,794 INFO L129 PetriNetUnfolder]: 19778/31653 cut-off events. [2021-06-11 11:32:39,794 INFO L130 PetriNetUnfolder]: For 866129/872853 co-relation queries the response was YES. [2021-06-11 11:32:39,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 389531 conditions, 31653 events. 19778/31653 cut-off events. For 866129/872853 co-relation queries the response was YES. Maximal size of possible extension queue 2770. Compared 262043 event pairs, 750 based on Foata normal form. 600/32236 useless extension candidates. Maximal degree in co-relation 388561. Up to 13549 conditions per place. [2021-06-11 11:32:40,134 INFO L132 encePairwiseOnDemand]: 59/73 looper letters, 447 selfloop transitions, 2461 changer transitions 0/2921 dead transitions. [2021-06-11 11:32:40,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 2921 transitions, 111817 flow [2021-06-11 11:32:40,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 11:32:40,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 11:32:40,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 266 transitions. [2021-06-11 11:32:40,135 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6073059360730594 [2021-06-11 11:32:40,135 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 266 transitions. [2021-06-11 11:32:40,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 266 transitions. [2021-06-11 11:32:40,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:32:40,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 266 transitions. [2021-06-11 11:32:40,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:32:40,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:32:40,136 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:32:40,136 INFO L185 Difference]: Start difference. First operand has 134 places, 2734 transitions, 100581 flow. Second operand 6 states and 266 transitions. [2021-06-11 11:32:40,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 2921 transitions, 111817 flow [2021-06-11 11:32:46,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 2921 transitions, 110869 flow, removed 217 selfloop flow, removed 3 redundant places. [2021-06-11 11:32:46,072 INFO L241 Difference]: Finished difference. Result has 138 places, 2878 transitions, 111620 flow [2021-06-11 11:32:46,074 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=99624, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2314, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=111620, PETRI_PLACES=138, PETRI_TRANSITIONS=2878} [2021-06-11 11:32:46,074 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 92 predicate places. [2021-06-11 11:32:46,074 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:32:46,074 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 2878 transitions, 111620 flow [2021-06-11 11:32:46,074 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 2878 transitions, 111620 flow [2021-06-11 11:32:46,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 2878 transitions, 111620 flow [2021-06-11 11:32:58,101 INFO L129 PetriNetUnfolder]: 17495/28025 cut-off events. [2021-06-11 11:32:58,101 INFO L130 PetriNetUnfolder]: For 909878/914903 co-relation queries the response was YES. [2021-06-11 11:32:58,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 350234 conditions, 28025 events. 17495/28025 cut-off events. For 909878/914903 co-relation queries the response was YES. Maximal size of possible extension queue 2458. Compared 230738 event pairs, 303 based on Foata normal form. 1831/29846 useless extension candidates. Maximal degree in co-relation 349186. Up to 13546 conditions per place. [2021-06-11 11:32:58,534 INFO L151 LiptonReduction]: Number of co-enabled transitions 3824 [2021-06-11 11:33:00,537 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:33:00,537 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:33:00,537 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14463 [2021-06-11 11:33:00,537 INFO L480 AbstractCegarLoop]: Abstraction has has 138 places, 2878 transitions, 111620 flow [2021-06-11 11:33:00,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:33:00,537 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:33:00,538 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:33:00,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 11:33:00,538 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:33:00,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:33:00,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1988069663, now seen corresponding path program 23 times [2021-06-11 11:33:00,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:33:00,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498068819] [2021-06-11 11:33:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:33:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:33:00,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:00,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:33:00,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:00,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:33:00,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:00,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:33:00,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:00,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:33:00,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:00,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:33:00,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:00,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:33:00,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:00,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:33:00,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:00,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:33:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:33:00,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498068819] [2021-06-11 11:33:00,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:33:00,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 11:33:00,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712205504] [2021-06-11 11:33:00,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 11:33:00,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:33:00,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 11:33:00,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-06-11 11:33:00,571 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:33:00,572 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 2878 transitions, 111620 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:33:00,572 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:33:00,572 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:33:00,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:33:26,943 INFO L129 PetriNetUnfolder]: 19882/32171 cut-off events. [2021-06-11 11:33:26,943 INFO L130 PetriNetUnfolder]: For 1042659/1049886 co-relation queries the response was YES. [2021-06-11 11:33:27,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 420904 conditions, 32171 events. 19882/32171 cut-off events. For 1042659/1049886 co-relation queries the response was YES. Maximal size of possible extension queue 2894. Compared 271950 event pairs, 810 based on Foata normal form. 1041/33193 useless extension candidates. Maximal degree in co-relation 419914. Up to 16706 conditions per place. [2021-06-11 11:33:27,316 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 651 selfloop transitions, 2460 changer transitions 0/3124 dead transitions. [2021-06-11 11:33:27,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 3124 transitions, 127791 flow [2021-06-11 11:33:27,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 11:33:27,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 11:33:27,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 267 transitions. [2021-06-11 11:33:27,317 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6095890410958904 [2021-06-11 11:33:27,317 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 267 transitions. [2021-06-11 11:33:27,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 267 transitions. [2021-06-11 11:33:27,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:33:27,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 267 transitions. [2021-06-11 11:33:27,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.5) internal successors, (267), 6 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) [2021-06-11 11:33:27,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:33:27,318 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:33:27,318 INFO L185 Difference]: Start difference. First operand has 138 places, 2878 transitions, 111620 flow. Second operand 6 states and 267 transitions. [2021-06-11 11:33:27,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 3124 transitions, 127791 flow [2021-06-11 11:33:33,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 3124 transitions, 124961 flow, removed 52 selfloop flow, removed 3 redundant places. [2021-06-11 11:33:34,069 INFO L241 Difference]: Finished difference. Result has 140 places, 3089 transitions, 122923 flow [2021-06-11 11:33:34,071 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=106858, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2828, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=629, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=122923, PETRI_PLACES=140, PETRI_TRANSITIONS=3089} [2021-06-11 11:33:34,071 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 94 predicate places. [2021-06-11 11:33:34,071 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:33:34,071 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 3089 transitions, 122923 flow [2021-06-11 11:33:34,072 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 3089 transitions, 122923 flow [2021-06-11 11:33:34,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 3089 transitions, 122923 flow [2021-06-11 11:33:47,520 INFO L129 PetriNetUnfolder]: 17559/28332 cut-off events. [2021-06-11 11:33:47,520 INFO L130 PetriNetUnfolder]: For 1091873/1113886 co-relation queries the response was YES. [2021-06-11 11:33:47,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 353525 conditions, 28332 events. 17559/28332 cut-off events. For 1091873/1113886 co-relation queries the response was YES. Maximal size of possible extension queue 2511. Compared 235505 event pairs, 244 based on Foata normal form. 2411/30720 useless extension candidates. Maximal degree in co-relation 352483. Up to 12957 conditions per place. [2021-06-11 11:33:47,903 INFO L151 LiptonReduction]: Number of co-enabled transitions 3964 [2021-06-11 11:33:50,154 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:33:50,155 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:33:50,155 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16084 [2021-06-11 11:33:50,155 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 3089 transitions, 122923 flow [2021-06-11 11:33:50,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:33:50,156 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:33:50,156 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:33:50,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 11:33:50,156 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:33:50,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:33:50,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1765965401, now seen corresponding path program 24 times [2021-06-11 11:33:50,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:33:50,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249066070] [2021-06-11 11:33:50,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:33:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:33:50,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:50,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:33:50,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:50,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:33:50,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:50,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:33:50,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:50,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:33:50,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:50,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:33:50,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:50,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:33:50,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:50,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:33:50,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:50,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:33:50,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:50,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:33:50,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:33:50,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:33:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:33:50,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249066070] [2021-06-11 11:33:50,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:33:50,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 11:33:50,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493666770] [2021-06-11 11:33:50,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 11:33:50,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:33:50,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 11:33:50,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-06-11 11:33:50,196 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:33:50,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 3089 transitions, 122923 flow. Second operand has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:33:50,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:33:50,196 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:33:50,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:34:20,323 INFO L129 PetriNetUnfolder]: 20238/33396 cut-off events. [2021-06-11 11:34:20,323 INFO L130 PetriNetUnfolder]: For 1097098/1106556 co-relation queries the response was YES. [2021-06-11 11:34:20,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 427568 conditions, 33396 events. 20238/33396 cut-off events. For 1097098/1106556 co-relation queries the response was YES. Maximal size of possible extension queue 3143. Compared 292172 event pairs, 136 based on Foata normal form. 1746/35118 useless extension candidates. Maximal degree in co-relation 426524. Up to 13302 conditions per place. [2021-06-11 11:34:20,843 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 124 selfloop transitions, 3317 changer transitions 0/3454 dead transitions. [2021-06-11 11:34:20,843 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 3454 transitions, 140513 flow [2021-06-11 11:34:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 11:34:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 11:34:20,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 410 transitions. [2021-06-11 11:34:20,844 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.624048706240487 [2021-06-11 11:34:20,844 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 410 transitions. [2021-06-11 11:34:20,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 410 transitions. [2021-06-11 11:34:20,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:34:20,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 410 transitions. [2021-06-11 11:34:20,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 45.55555555555556) internal successors, (410), 9 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:34:20,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 73.0) internal successors, (730), 10 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:34:20,846 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 73.0) internal successors, (730), 10 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:34:20,846 INFO L185 Difference]: Start difference. First operand has 140 places, 3089 transitions, 122923 flow. Second operand 9 states and 410 transitions. [2021-06-11 11:34:20,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 3454 transitions, 140513 flow [2021-06-11 11:34:27,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 3454 transitions, 137859 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 11:34:27,258 INFO L241 Difference]: Finished difference. Result has 146 places, 3408 transitions, 138055 flow [2021-06-11 11:34:27,260 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=118479, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3044, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2953, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=138055, PETRI_PLACES=146, PETRI_TRANSITIONS=3408} [2021-06-11 11:34:27,260 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 100 predicate places. [2021-06-11 11:34:27,260 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:34:27,261 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 3408 transitions, 138055 flow [2021-06-11 11:34:27,261 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 3408 transitions, 138055 flow [2021-06-11 11:34:27,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 3408 transitions, 138055 flow [2021-06-11 11:34:42,860 INFO L129 PetriNetUnfolder]: 17783/29256 cut-off events. [2021-06-11 11:34:42,860 INFO L130 PetriNetUnfolder]: For 1123418/1138038 co-relation queries the response was YES. [2021-06-11 11:34:42,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 380844 conditions, 29256 events. 17783/29256 cut-off events. For 1123418/1138038 co-relation queries the response was YES. Maximal size of possible extension queue 2702. Compared 252818 event pairs, 165 based on Foata normal form. 2124/31349 useless extension candidates. Maximal degree in co-relation 379825. Up to 13299 conditions per place. [2021-06-11 11:34:43,262 INFO L151 LiptonReduction]: Number of co-enabled transitions 4278 [2021-06-11 11:34:45,920 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:34:45,921 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:34:45,921 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18661 [2021-06-11 11:34:45,921 INFO L480 AbstractCegarLoop]: Abstraction has has 146 places, 3408 transitions, 138055 flow [2021-06-11 11:34:45,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:34:45,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:34:45,922 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:34:45,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 11:34:45,922 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:34:45,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:34:45,922 INFO L82 PathProgramCache]: Analyzing trace with hash 116545097, now seen corresponding path program 25 times [2021-06-11 11:34:45,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:34:45,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270570833] [2021-06-11 11:34:45,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:34:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:34:45,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:34:45,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:34:45,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:34:45,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:34:45,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:34:45,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:34:45,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:34:45,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:34:45,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:34:45,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:34:45,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:34:45,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:34:45,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:34:45,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:34:45,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:34:45,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:34:45,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:34:45,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:34:45,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:34:45,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:34:45,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:34:45,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:34:45,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:34:45,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:34:45,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:34:45,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270570833] [2021-06-11 11:34:45,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:34:45,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-11 11:34:45,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661667207] [2021-06-11 11:34:45,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-11 11:34:45,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:34:45,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-11 11:34:45,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-11 11:34:45,977 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:34:45,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 3408 transitions, 138055 flow. Second operand has 10 states, 10 states have (on average 36.4) internal successors, (364), 10 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:34:45,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:34:45,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:34:45,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:35:30,241 INFO L129 PetriNetUnfolder]: 23980/39966 cut-off events. [2021-06-11 11:35:30,242 INFO L130 PetriNetUnfolder]: For 1359708/1367411 co-relation queries the response was YES. [2021-06-11 11:35:30,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 552312 conditions, 39966 events. 23980/39966 cut-off events. For 1359708/1367411 co-relation queries the response was YES. Maximal size of possible extension queue 4093. Compared 364610 event pairs, 154 based on Foata normal form. 2597/42546 useless extension candidates. Maximal degree in co-relation 551290. Up to 16983 conditions per place. [2021-06-11 11:35:30,705 INFO L132 encePairwiseOnDemand]: 59/73 looper letters, 179 selfloop transitions, 4425 changer transitions 57/4674 dead transitions. [2021-06-11 11:35:30,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 4674 transitions, 192718 flow [2021-06-11 11:35:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 11:35:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 11:35:30,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 592 transitions. [2021-06-11 11:35:30,706 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6238145416227608 [2021-06-11 11:35:30,706 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 592 transitions. [2021-06-11 11:35:30,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 592 transitions. [2021-06-11 11:35:30,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:35:30,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 592 transitions. [2021-06-11 11:35:30,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 45.53846153846154) internal successors, (592), 13 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:35:30,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 73.0) internal successors, (1022), 14 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:35:30,709 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 73.0) internal successors, (1022), 14 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:35:30,709 INFO L185 Difference]: Start difference. First operand has 146 places, 3408 transitions, 138055 flow. Second operand 13 states and 592 transitions. [2021-06-11 11:35:30,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 4674 transitions, 192718 flow [2021-06-11 11:35:41,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 4674 transitions, 186109 flow, removed 43 selfloop flow, removed 6 redundant places. [2021-06-11 11:35:42,002 INFO L241 Difference]: Finished difference. Result has 159 places, 4519 transitions, 188468 flow [2021-06-11 11:35:42,005 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=132935, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3309, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=188468, PETRI_PLACES=159, PETRI_TRANSITIONS=4519} [2021-06-11 11:35:42,005 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 113 predicate places. [2021-06-11 11:35:42,005 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:35:42,005 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 4519 transitions, 188468 flow [2021-06-11 11:35:42,005 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 4519 transitions, 188468 flow [2021-06-11 11:35:42,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 4519 transitions, 188468 flow [2021-06-11 11:36:10,665 INFO L129 PetriNetUnfolder]: 21444/35613 cut-off events. [2021-06-11 11:36:10,666 INFO L130 PetriNetUnfolder]: For 1636002/1664172 co-relation queries the response was YES. [2021-06-11 11:36:10,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 495126 conditions, 35613 events. 21444/35613 cut-off events. For 1636002/1664172 co-relation queries the response was YES. Maximal size of possible extension queue 3666. Compared 321620 event pairs, 179 based on Foata normal form. 2734/38314 useless extension candidates. Maximal degree in co-relation 494032. Up to 16821 conditions per place. [2021-06-11 11:36:11,216 INFO L151 LiptonReduction]: Number of co-enabled transitions 5002 [2021-06-11 11:36:16,425 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:36:16,426 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:36:16,426 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34421 [2021-06-11 11:36:16,426 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 4519 transitions, 188468 flow [2021-06-11 11:36:16,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 36.4) internal successors, (364), 10 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:36:16,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:36:16,427 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:36:16,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 11:36:16,427 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:36:16,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:36:16,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1879111407, now seen corresponding path program 26 times [2021-06-11 11:36:16,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:36:16,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296390259] [2021-06-11 11:36:16,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:36:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:36:16,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:36:16,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:36:16,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:36:16,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:36:16,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:36:16,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:36:16,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:36:16,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:36:16,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:36:16,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:36:16,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:36:16,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:36:16,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:36:16,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:36:16,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:36:16,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:36:16,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:36:16,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:36:16,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:36:16,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:36:16,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:36:16,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:36:16,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:36:16,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:36:16,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:36:16,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296390259] [2021-06-11 11:36:16,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:36:16,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 11:36:16,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13424620] [2021-06-11 11:36:16,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 11:36:16,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:36:16,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 11:36:16,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-11 11:36:16,469 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:36:16,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 4519 transitions, 188468 flow. Second operand has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:36:16,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:36:16,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:36:16,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:37:34,902 INFO L129 PetriNetUnfolder]: 25885/44121 cut-off events. [2021-06-11 11:37:34,902 INFO L130 PetriNetUnfolder]: For 1871062/1881043 co-relation queries the response was YES. [2021-06-11 11:37:35,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 640507 conditions, 44121 events. 25885/44121 cut-off events. For 1871062/1881043 co-relation queries the response was YES. Maximal size of possible extension queue 4690. Compared 421533 event pairs, 364 based on Foata normal form. 1766/45868 useless extension candidates. Maximal degree in co-relation 639374. Up to 18760 conditions per place. [2021-06-11 11:37:35,664 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 389 selfloop transitions, 5008 changer transitions 31/5441 dead transitions. [2021-06-11 11:37:35,664 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 5441 transitions, 229393 flow [2021-06-11 11:37:35,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 11:37:35,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 11:37:35,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 408 transitions. [2021-06-11 11:37:35,665 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6210045662100456 [2021-06-11 11:37:35,665 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 408 transitions. [2021-06-11 11:37:35,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 408 transitions. [2021-06-11 11:37:35,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:37:35,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 408 transitions. [2021-06-11 11:37:35,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 45.333333333333336) internal successors, (408), 9 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:37:35,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 73.0) internal successors, (730), 10 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:37:35,667 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 73.0) internal successors, (730), 10 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:37:35,667 INFO L185 Difference]: Start difference. First operand has 159 places, 4519 transitions, 188468 flow. Second operand 9 states and 408 transitions. [2021-06-11 11:37:35,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 5441 transitions, 229393 flow [2021-06-11 11:37:55,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 5441 transitions, 225528 flow, removed 944 selfloop flow, removed 6 redundant places. [2021-06-11 11:37:55,335 INFO L241 Difference]: Finished difference. Result has 166 places, 5325 transitions, 231203 flow [2021-06-11 11:37:55,338 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=182594, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=231203, PETRI_PLACES=166, PETRI_TRANSITIONS=5325} [2021-06-11 11:37:55,338 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 120 predicate places. [2021-06-11 11:37:55,338 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:37:55,338 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 5325 transitions, 231203 flow [2021-06-11 11:37:55,338 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 5325 transitions, 231203 flow [2021-06-11 11:37:55,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 5325 transitions, 231203 flow [2021-06-11 11:38:34,362 INFO L129 PetriNetUnfolder]: 23224/39506 cut-off events. [2021-06-11 11:38:34,362 INFO L130 PetriNetUnfolder]: For 1896733/1912456 co-relation queries the response was YES. [2021-06-11 11:38:34,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 579704 conditions, 39506 events. 23224/39506 cut-off events. For 1896733/1912456 co-relation queries the response was YES. Maximal size of possible extension queue 4269. Compared 373541 event pairs, 260 based on Foata normal form. 2232/41712 useless extension candidates. Maximal degree in co-relation 578485. Up to 16210 conditions per place. [2021-06-11 11:38:35,013 INFO L151 LiptonReduction]: Number of co-enabled transitions 5798 [2021-06-11 11:38:41,875 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 11:38:41,876 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 11:38:41,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46538 [2021-06-11 11:38:41,876 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 5325 transitions, 231203 flow [2021-06-11 11:38:41,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 36.75) internal successors, (294), 8 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:38:41,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 11:38:41,876 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 11:38:41,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 11:38:41,877 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 11:38:41,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 11:38:41,877 INFO L82 PathProgramCache]: Analyzing trace with hash 331910335, now seen corresponding path program 27 times [2021-06-11 11:38:41,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 11:38:41,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096245392] [2021-06-11 11:38:41,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 11:38:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 11:38:41,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:38:41,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 11:38:41,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:38:41,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:38:41,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:38:41,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:38:41,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:38:41,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:38:41,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:38:41,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:38:41,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:38:41,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:38:41,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:38:41,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:38:41,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:38:41,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:38:41,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:38:41,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 11:38:41,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:38:41,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:38:41,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:38:41,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 11:38:41,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 11:38:41,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 11:38:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 11:38:41,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096245392] [2021-06-11 11:38:41,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 11:38:41,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 11:38:41,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500332077] [2021-06-11 11:38:41,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 11:38:41,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 11:38:41,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 11:38:41,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 11:38:41,915 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 73 [2021-06-11 11:38:41,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 5325 transitions, 231203 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:38:41,915 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 11:38:41,915 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 73 [2021-06-11 11:38:41,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 11:40:34,893 INFO L129 PetriNetUnfolder]: 25114/43404 cut-off events. [2021-06-11 11:40:34,893 INFO L130 PetriNetUnfolder]: For 2166897/2176433 co-relation queries the response was YES. [2021-06-11 11:40:35,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 667350 conditions, 43404 events. 25114/43404 cut-off events. For 2166897/2176433 co-relation queries the response was YES. Maximal size of possible extension queue 4693. Compared 422310 event pairs, 1376 based on Foata normal form. 990/44377 useless extension candidates. Maximal degree in co-relation 666179. Up to 16210 conditions per place. [2021-06-11 11:40:35,499 INFO L132 encePairwiseOnDemand]: 60/73 looper letters, 1013 selfloop transitions, 4502 changer transitions 9/5537 dead transitions. [2021-06-11 11:40:35,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 5537 transitions, 247635 flow [2021-06-11 11:40:35,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 11:40:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 11:40:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 267 transitions. [2021-06-11 11:40:35,500 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6095890410958904 [2021-06-11 11:40:35,500 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 267 transitions. [2021-06-11 11:40:35,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 267 transitions. [2021-06-11 11:40:35,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 11:40:35,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 267 transitions. [2021-06-11 11:40:35,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 44.5) internal successors, (267), 6 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) [2021-06-11 11:40:35,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:40:35,502 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 11:40:35,502 INFO L185 Difference]: Start difference. First operand has 166 places, 5325 transitions, 231203 flow. Second operand 6 states and 267 transitions. [2021-06-11 11:40:35,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 5537 transitions, 247635 flow [2021-06-11 11:41:03,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 5537 transitions, 245610 flow, removed 77 selfloop flow, removed 2 redundant places. [2021-06-11 11:41:03,722 INFO L241 Difference]: Finished difference. Result has 170 places, 5482 transitions, 245352 flow [2021-06-11 11:41:03,726 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=228409, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4313, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=977, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=245352, PETRI_PLACES=170, PETRI_TRANSITIONS=5482} [2021-06-11 11:41:03,726 INFO L343 CegarLoopForPetriNet]: 46 programPoint places, 124 predicate places. [2021-06-11 11:41:03,726 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 11:41:03,726 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 5482 transitions, 245352 flow [2021-06-11 11:41:03,727 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 5482 transitions, 245352 flow [2021-06-11 11:41:03,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 170 places, 5482 transitions, 245352 flow Received shutdown request... [2021-06-11 11:41:13,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-11 11:41:13,401 WARN L545 AbstractCegarLoop]: Verification canceled [2021-06-11 11:41:13,404 WARN L224 ceAbstractionStarter]: Timeout [2021-06-11 11:41:13,404 INFO L202 PluginConnector]: Adding new model ticket-6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 11:41:13 BasicIcfg [2021-06-11 11:41:13,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 11:41:13,405 INFO L168 Benchmark]: Toolchain (without parser) took 828207.25 ms. Allocated memory was 358.6 MB in the beginning and 11.5 GB in the end (delta: 11.2 GB). Free memory was 338.0 MB in the beginning and 7.0 GB in the end (delta: -6.6 GB). Peak memory consumption was 5.0 GB. Max. memory is 16.0 GB. [2021-06-11 11:41:13,405 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 358.6 MB. Free memory was 339.3 MB in the beginning and 339.2 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 11:41:13,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.46 ms. Allocated memory is still 358.6 MB. Free memory was 338.0 MB in the beginning and 336.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 11:41:13,405 INFO L168 Benchmark]: Boogie Preprocessor took 13.53 ms. Allocated memory is still 358.6 MB. Free memory was 336.6 MB in the beginning and 335.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 11:41:13,405 INFO L168 Benchmark]: RCFGBuilder took 341.34 ms. Allocated memory is still 358.6 MB. Free memory was 335.5 MB in the beginning and 319.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-11 11:41:13,405 INFO L168 Benchmark]: TraceAbstraction took 827825.48 ms. Allocated memory was 358.6 MB in the beginning and 11.5 GB in the end (delta: 11.2 GB). Free memory was 318.7 MB in the beginning and 7.0 GB in the end (delta: -6.6 GB). Peak memory consumption was 5.0 GB. Max. memory is 16.0 GB. [2021-06-11 11:41:13,406 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 0.14 ms. Allocated memory is still 358.6 MB. Free memory was 339.3 MB in the beginning and 339.2 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.46 ms. Allocated memory is still 358.6 MB. Free memory was 338.0 MB in the beginning and 336.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.53 ms. Allocated memory is still 358.6 MB. Free memory was 336.6 MB in the beginning and 335.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 341.34 ms. Allocated memory is still 358.6 MB. Free memory was 335.5 MB in the beginning and 319.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 827825.48 ms. Allocated memory was 358.6 MB in the beginning and 11.5 GB in the end (delta: 11.2 GB). Free memory was 318.7 MB in the beginning and 7.0 GB in the end (delta: -6.6 GB). Peak memory consumption was 5.0 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1453.0ms, 65 PlacesBefore, 46 PlacesAfterwards, 46 TransitionsBefore, 27 TransitionsAfterwards, 1110 CoEnabledTransitionPairs, 4 FixpointIterations, 1 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 19 TotalNumberOfCompositions, 1470 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 634, positive: 586, positive conditional: 0, positive unconditional: 586, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 562, positive: 525, positive conditional: 0, positive unconditional: 525, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 562, positive: 525, positive conditional: 0, positive unconditional: 525, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 562, positive: 430, positive conditional: 0, positive unconditional: 430, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 132, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 485, positive: 343, positive conditional: 0, positive unconditional: 343, negative: 142, negative conditional: 0, negative unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 634, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 562, unknown conditional: 0, unknown unconditional: 562] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 164.1ms, 41 PlacesBefore, 41 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 286 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 961.1ms, 44 PlacesBefore, 44 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1039.1ms, 49 PlacesBefore, 49 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 640 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1288.6ms, 58 PlacesBefore, 58 PlacesAfterwards, 326 TransitionsBefore, 326 TransitionsAfterwards, 1394 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2028.5ms, 62 PlacesBefore, 62 PlacesAfterwards, 369 TransitionsBefore, 369 TransitionsAfterwards, 1476 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1451.2ms, 66 PlacesBefore, 66 PlacesAfterwards, 479 TransitionsBefore, 479 TransitionsAfterwards, 1660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2943.0ms, 71 PlacesBefore, 71 PlacesAfterwards, 646 TransitionsBefore, 646 TransitionsAfterwards, 2078 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4861.0ms, 77 PlacesBefore, 77 PlacesAfterwards, 838 TransitionsBefore, 838 TransitionsAfterwards, 2224 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3834.8ms, 79 PlacesBefore, 79 PlacesAfterwards, 1031 TransitionsBefore, 1031 TransitionsAfterwards, 2402 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4418.4ms, 82 PlacesBefore, 82 PlacesAfterwards, 1171 TransitionsBefore, 1171 TransitionsAfterwards, 2474 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4527.5ms, 84 PlacesBefore, 84 PlacesAfterwards, 1311 TransitionsBefore, 1311 TransitionsAfterwards, 2546 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4931.4ms, 87 PlacesBefore, 87 PlacesAfterwards, 1403 TransitionsBefore, 1403 TransitionsAfterwards, 2574 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6402.7ms, 95 PlacesBefore, 95 PlacesAfterwards, 1578 TransitionsBefore, 1578 TransitionsAfterwards, 3084 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9100.4ms, 98 PlacesBefore, 98 PlacesAfterwards, 1635 TransitionsBefore, 1635 TransitionsAfterwards, 3068 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7385.7ms, 105 PlacesBefore, 105 PlacesAfterwards, 1867 TransitionsBefore, 1867 TransitionsAfterwards, 3106 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6142.8ms, 108 PlacesBefore, 108 PlacesAfterwards, 1763 TransitionsBefore, 1763 TransitionsAfterwards, 2612 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9037.7ms, 112 PlacesBefore, 112 PlacesAfterwards, 1858 TransitionsBefore, 1858 TransitionsAfterwards, 3008 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11459.1ms, 116 PlacesBefore, 116 PlacesAfterwards, 2006 TransitionsBefore, 2006 TransitionsAfterwards, 3146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9529.8ms, 119 PlacesBefore, 119 PlacesAfterwards, 2040 TransitionsBefore, 2040 TransitionsAfterwards, 3210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11252.2ms, 129 PlacesBefore, 129 PlacesAfterwards, 2457 TransitionsBefore, 2457 TransitionsAfterwards, 3484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12781.6ms, 134 PlacesBefore, 134 PlacesAfterwards, 2734 TransitionsBefore, 2734 TransitionsAfterwards, 3714 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14462.5ms, 138 PlacesBefore, 138 PlacesAfterwards, 2878 TransitionsBefore, 2878 TransitionsAfterwards, 3824 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16083.1ms, 140 PlacesBefore, 140 PlacesAfterwards, 3089 TransitionsBefore, 3089 TransitionsAfterwards, 3964 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18659.9ms, 146 PlacesBefore, 146 PlacesAfterwards, 3408 TransitionsBefore, 3408 TransitionsAfterwards, 4278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34420.2ms, 159 PlacesBefore, 159 PlacesAfterwards, 4519 TransitionsBefore, 4519 TransitionsAfterwards, 5002 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46537.6ms, 166 PlacesBefore, 166 PlacesAfterwards, 5325 TransitionsBefore, 5325 TransitionsAfterwards, 5798 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37 - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 110). Cancelled while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 170 places, 5482 transitions, 245352 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 170 places, 5482 transitions, 245352 flow,while PetriNetUnfolder was constructing finite prefix that currently has 117263 conditions, 6833 events (3541/6832 cut-off events. For 481566/487519 co-relation queries the response was YES. Maximal size of possible extension queue 3696. Compared 79532 event pairs, 44 based on Foata normal form. 395/10902 useless extension candidates. Maximal degree in co-relation 117196. Up to 3073 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 827709.1ms, OverallIterations: 27, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 569243.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1588.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 62 SDtfs, 86 SDslu, 24 SDs, 0 SdLazy, 4447 SolverSat, 889 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2223.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 588.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=245352occurred in iteration=27, InterpolantAutomatonStates: 182, 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: 36.1ms SsaConstructionTime, 198.1ms SatisfiabilityAnalysisTime, 1012.5ms InterpolantComputationTime, 729 NumberOfCodeBlocks, 729 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 702 ConstructedInterpolants, 0 QuantifiedInterpolants, 1918 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 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