/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 04:07:49,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 04:07:49,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 04:07:49,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 04:07:49,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 04:07:49,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 04:07:49,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 04:07:49,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 04:07:49,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 04:07:49,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 04:07:49,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 04:07:49,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 04:07:49,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 04:07:49,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 04:07:49,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 04:07:49,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 04:07:49,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 04:07:49,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 04:07:49,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 04:07:49,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 04:07:49,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 04:07:49,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 04:07:49,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 04:07:49,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 04:07:49,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 04:07:49,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 04:07:49,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 04:07:49,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 04:07:49,864 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 04:07:49,903 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 04:07:49,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 04:07:49,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 04:07:49,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 04:07:49,905 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 04:07:49,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 04:07:49,906 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 04:07:49,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 04:07:49,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 04:07:49,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 04:07:49,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 04:07:49,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 04:07:49,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 04:07:49,908 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 04:07:49,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 04:07:49,909 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 04:07:49,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 04:07:49,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 04:07:49,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 04:07:49,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 04:07:49,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 04:07:49,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 04:07:49,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 04:07:49,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 04:07:49,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 04:07:49,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 04:07:49,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 04:07:49,912 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 04:07:49,912 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 04:07:49,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 04:07:49,912 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 04:07:50,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 04:07:50,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 04:07:50,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 04:07:50,305 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-04-29 04:07:50,306 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-04-29 04:07:50,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_8.bpl [2021-04-29 04:07:50,309 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_8.bpl' [2021-04-29 04:07:50,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 04:07:50,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-29 04:07:50,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 04:07:50,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 04:07:50,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 04:07:50,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:50" (1/1) ... [2021-04-29 04:07:50,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:50" (1/1) ... [2021-04-29 04:07:50,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 04:07:50,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 04:07:50,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 04:07:50,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 04:07:50,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:50" (1/1) ... [2021-04-29 04:07:50,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:50" (1/1) ... [2021-04-29 04:07:50,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:50" (1/1) ... [2021-04-29 04:07:50,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:50" (1/1) ... [2021-04-29 04:07:50,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:50" (1/1) ... [2021-04-29 04:07:50,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:50" (1/1) ... [2021-04-29 04:07:50,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:50" (1/1) ... [2021-04-29 04:07:50,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 04:07:50,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 04:07:50,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 04:07:50,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 04:07:50,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:50" (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 [2021-04-29 04:07:50,565 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-04-29 04:07:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-04-29 04:07:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-04-29 04:07:50,572 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-04-29 04:07:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-04-29 04:07:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-04-29 04:07:50,573 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-04-29 04:07:50,573 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-04-29 04:07:50,573 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-04-29 04:07:50,585 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-04-29 04:07:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-04-29 04:07:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-04-29 04:07:50,586 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-04-29 04:07:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-04-29 04:07:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-04-29 04:07:50,586 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-04-29 04:07:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 04:07:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 04:07:50,587 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-04-29 04:07:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-04-29 04:07:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-04-29 04:07:50,587 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-04-29 04:07:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-04-29 04:07:50,588 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-04-29 04:07:50,588 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2021-04-29 04:07:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2021-04-29 04:07:50,591 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2021-04-29 04:07:50,596 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 04:07:50,793 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 04:07:50,794 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-29 04:07:50,796 INFO L202 PluginConnector]: Adding new model example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:07:50 BoogieIcfgContainer [2021-04-29 04:07:50,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 04:07:50,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 04:07:50,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 04:07:50,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 04:07:50,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.04 04:07:50" (1/2) ... [2021-04-29 04:07:50,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aba6d48 and model type example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 04:07:50, skipping insertion in model container [2021-04-29 04:07:50,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 04:07:50" (2/2) ... [2021-04-29 04:07:50,806 INFO L111 eAbstractionObserver]: Analyzing ICFG example_8.bpl [2021-04-29 04:07:50,814 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 04:07:50,819 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 04:07:50,820 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 04:07:51,070 INFO L149 ThreadInstanceAdder]: Constructed 64 joinOtherThreadTransitions. [2021-04-29 04:07:51,098 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-04-29 04:07:51,126 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 04:07:51,127 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 04:07:51,127 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 04:07:51,127 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 04:07:51,127 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 04:07:51,127 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 04:07:51,128 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 04:07:51,128 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 04:07:51,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 99 transitions, 430 flow [2021-04-29 04:07:51,456 INFO L129 PetriNetUnfolder]: 769/1051 cut-off events. [2021-04-29 04:07:51,457 INFO L130 PetriNetUnfolder]: For 1024/1024 co-relation queries the response was YES. [2021-04-29 04:07:51,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2100 conditions, 1051 events. 769/1051 cut-off events. For 1024/1024 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3895 event pairs, 0 based on Foata normal form. 0/1050 useless extension candidates. Maximal degree in co-relation 933. Up to 280 conditions per place. [2021-04-29 04:07:51,471 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 99 transitions, 430 flow [2021-04-29 04:07:51,492 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 89 transitions, 394 flow [2021-04-29 04:07:51,494 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:51,514 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 89 transitions, 394 flow [2021-04-29 04:07:51,518 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 89 transitions, 394 flow [2021-04-29 04:07:51,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 89 transitions, 394 flow [2021-04-29 04:07:51,653 INFO L129 PetriNetUnfolder]: 769/1049 cut-off events. [2021-04-29 04:07:51,653 INFO L130 PetriNetUnfolder]: For 1024/1024 co-relation queries the response was YES. [2021-04-29 04:07:51,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2098 conditions, 1049 events. 769/1049 cut-off events. For 1024/1024 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 3656 event pairs, 0 based on Foata normal form. 0/1049 useless extension candidates. Maximal degree in co-relation 933. Up to 280 conditions per place. [2021-04-29 04:07:51,688 INFO L146 LiptonReduction]: Number of co-enabled transitions 1904 [2021-04-29 04:07:51,911 INFO L158 LiptonReduction]: Checked pairs total: 532 [2021-04-29 04:07:51,912 INFO L160 LiptonReduction]: Total number of compositions: 8 [2021-04-29 04:07:51,915 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 423 [2021-04-29 04:07:52,049 INFO L129 PetriNetUnfolder]: 769/1048 cut-off events. [2021-04-29 04:07:52,050 INFO L130 PetriNetUnfolder]: For 1024/1024 co-relation queries the response was YES. [2021-04-29 04:07:52,050 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:52,051 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] [2021-04-29 04:07:52,051 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:52,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:52,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1611209431, now seen corresponding path program 1 times [2021-04-29 04:07:52,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:52,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032842559] [2021-04-29 04:07:52,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:52,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:52,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:52,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:52,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:52,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:52,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:52,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032842559] [2021-04-29 04:07:52,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:52,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:52,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567903850] [2021-04-29 04:07:52,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:52,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:52,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:52,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:52,297 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-04-29 04:07:52,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 89 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:52,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-04-29 04:07:52,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:52,452 INFO L129 PetriNetUnfolder]: 475/691 cut-off events. [2021-04-29 04:07:52,452 INFO L130 PetriNetUnfolder]: For 987/987 co-relation queries the response was YES. [2021-04-29 04:07:52,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1448 conditions, 691 events. 475/691 cut-off events. For 987/987 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2825 event pairs, 0 based on Foata normal form. 64/747 useless extension candidates. Maximal degree in co-relation 921. Up to 168 conditions per place. [2021-04-29 04:07:52,465 INFO L132 encePairwiseOnDemand]: 102/107 looper letters, 4 selfloop transitions, 1 changer transitions 0/85 dead transitions. [2021-04-29 04:07:52,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 85 transitions, 384 flow [2021-04-29 04:07:52,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:52,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2021-04-29 04:07:52,491 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2021-04-29 04:07:52,492 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2021-04-29 04:07:52,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2021-04-29 04:07:52,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:52,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2021-04-29 04:07:52,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,517 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,519 INFO L185 Difference]: Start difference. First operand has 58 places, 89 transitions, 394 flow. Second operand 3 states and 303 transitions. [2021-04-29 04:07:52,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 85 transitions, 384 flow [2021-04-29 04:07:52,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 85 transitions, 248 flow, removed 0 selfloop flow, removed 16 redundant places. [2021-04-29 04:07:52,545 INFO L241 Difference]: Finished difference. Result has 44 places, 85 transitions, 240 flow [2021-04-29 04:07:52,547 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=44, PETRI_TRANSITIONS=85} [2021-04-29 04:07:52,548 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -14 predicate places. [2021-04-29 04:07:52,549 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:52,549 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 85 transitions, 240 flow [2021-04-29 04:07:52,550 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 85 transitions, 240 flow [2021-04-29 04:07:52,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 85 transitions, 240 flow [2021-04-29 04:07:52,633 INFO L129 PetriNetUnfolder]: 475/691 cut-off events. [2021-04-29 04:07:52,634 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:52,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 702 conditions, 691 events. 475/691 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2579 event pairs, 0 based on Foata normal form. 0/683 useless extension candidates. Maximal degree in co-relation 689. Up to 168 conditions per place. [2021-04-29 04:07:52,646 INFO L146 LiptonReduction]: Number of co-enabled transitions 1792 [2021-04-29 04:07:52,671 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:52,671 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:52,672 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 123 [2021-04-29 04:07:52,679 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 85 transitions, 240 flow [2021-04-29 04:07:52,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,680 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:52,680 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] [2021-04-29 04:07:52,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 04:07:52,681 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:52,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:52,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1162606687, now seen corresponding path program 1 times [2021-04-29 04:07:52,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:52,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649611028] [2021-04-29 04:07:52,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:52,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:52,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:52,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:52,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:52,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:52,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:52,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:52,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649611028] [2021-04-29 04:07:52,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:52,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:52,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071738206] [2021-04-29 04:07:52,760 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:52,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:52,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:52,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:52,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-04-29 04:07:52,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 85 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:52,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-04-29 04:07:52,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:52,830 INFO L129 PetriNetUnfolder]: 214/353 cut-off events. [2021-04-29 04:07:52,830 INFO L130 PetriNetUnfolder]: For 86/86 co-relation queries the response was YES. [2021-04-29 04:07:52,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 353 events. 214/353 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1329 event pairs, 0 based on Foata normal form. 57/402 useless extension candidates. Maximal degree in co-relation 381. Up to 63 conditions per place. [2021-04-29 04:07:52,833 INFO L132 encePairwiseOnDemand]: 101/107 looper letters, 3 selfloop transitions, 1 changer transitions 0/80 dead transitions. [2021-04-29 04:07:52,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 80 transitions, 233 flow [2021-04-29 04:07:52,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:52,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:52,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2021-04-29 04:07:52,836 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2021-04-29 04:07:52,836 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2021-04-29 04:07:52,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2021-04-29 04:07:52,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:52,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2021-04-29 04:07:52,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,840 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,840 INFO L185 Difference]: Start difference. First operand has 44 places, 85 transitions, 240 flow. Second operand 3 states and 303 transitions. [2021-04-29 04:07:52,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 80 transitions, 233 flow [2021-04-29 04:07:52,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 80 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:52,844 INFO L241 Difference]: Finished difference. Result has 45 places, 80 transitions, 226 flow [2021-04-29 04:07:52,845 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=45, PETRI_TRANSITIONS=80} [2021-04-29 04:07:52,845 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -13 predicate places. [2021-04-29 04:07:52,845 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:52,846 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 80 transitions, 226 flow [2021-04-29 04:07:52,846 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 80 transitions, 226 flow [2021-04-29 04:07:52,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 80 transitions, 226 flow [2021-04-29 04:07:52,880 INFO L129 PetriNetUnfolder]: 214/353 cut-off events. [2021-04-29 04:07:52,880 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:52,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 353 events. 214/353 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1247 event pairs, 0 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 352. Up to 63 conditions per place. [2021-04-29 04:07:52,886 INFO L146 LiptonReduction]: Number of co-enabled transitions 1652 [2021-04-29 04:07:52,904 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:52,904 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:52,904 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-04-29 04:07:52,906 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 80 transitions, 226 flow [2021-04-29 04:07:52,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,907 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:52,907 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] [2021-04-29 04:07:52,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 04:07:52,907 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:52,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:52,908 INFO L82 PathProgramCache]: Analyzing trace with hash -2123770013, now seen corresponding path program 1 times [2021-04-29 04:07:52,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:52,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855258406] [2021-04-29 04:07:52,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:52,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:52,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:52,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:52,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:52,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:52,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:52,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:52,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855258406] [2021-04-29 04:07:52,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:52,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:52,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200126313] [2021-04-29 04:07:52,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:52,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:52,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:52,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:52,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-04-29 04:07:52,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 80 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:52,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:52,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-04-29 04:07:52,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:52,992 INFO L129 PetriNetUnfolder]: 209/347 cut-off events. [2021-04-29 04:07:52,993 INFO L130 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2021-04-29 04:07:52,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 347 events. 209/347 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1318 event pairs, 0 based on Foata normal form. 1/340 useless extension candidates. Maximal degree in co-relation 390. Up to 63 conditions per place. [2021-04-29 04:07:52,996 INFO L132 encePairwiseOnDemand]: 105/107 looper letters, 7 selfloop transitions, 1 changer transitions 0/79 dead transitions. [2021-04-29 04:07:52,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 79 transitions, 239 flow [2021-04-29 04:07:52,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:52,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2021-04-29 04:07:52,999 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2021-04-29 04:07:52,999 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2021-04-29 04:07:52,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2021-04-29 04:07:52,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:52,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2021-04-29 04:07:53,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,003 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,003 INFO L185 Difference]: Start difference. First operand has 45 places, 80 transitions, 226 flow. Second operand 3 states and 303 transitions. [2021-04-29 04:07:53,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 79 transitions, 239 flow [2021-04-29 04:07:53,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 79 transitions, 238 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:53,006 INFO L241 Difference]: Finished difference. Result has 46 places, 79 transitions, 224 flow [2021-04-29 04:07:53,007 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=46, PETRI_TRANSITIONS=79} [2021-04-29 04:07:53,007 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -12 predicate places. [2021-04-29 04:07:53,007 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:53,007 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 79 transitions, 224 flow [2021-04-29 04:07:53,008 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 79 transitions, 224 flow [2021-04-29 04:07:53,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 79 transitions, 224 flow [2021-04-29 04:07:53,034 INFO L129 PetriNetUnfolder]: 209/347 cut-off events. [2021-04-29 04:07:53,034 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:53,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 347 events. 209/347 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1206 event pairs, 0 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 353. Up to 63 conditions per place. [2021-04-29 04:07:53,040 INFO L146 LiptonReduction]: Number of co-enabled transitions 1624 [2021-04-29 04:07:53,056 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:53,056 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:53,056 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-04-29 04:07:53,058 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 79 transitions, 224 flow [2021-04-29 04:07:53,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,059 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:53,059 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] [2021-04-29 04:07:53,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 04:07:53,059 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:53,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:53,060 INFO L82 PathProgramCache]: Analyzing trace with hash 258639179, now seen corresponding path program 1 times [2021-04-29 04:07:53,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:53,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210360496] [2021-04-29 04:07:53,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:53,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:53,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:53,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:53,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:53,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:53,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:53,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:53,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210360496] [2021-04-29 04:07:53,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:53,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:53,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153336564] [2021-04-29 04:07:53,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:53,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:53,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:53,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:53,117 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-04-29 04:07:53,120 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 79 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,120 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:53,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-04-29 04:07:53,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:53,169 INFO L129 PetriNetUnfolder]: 185/317 cut-off events. [2021-04-29 04:07:53,169 INFO L130 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2021-04-29 04:07:53,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 317 events. 185/317 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1156 event pairs, 0 based on Foata normal form. 5/314 useless extension candidates. Maximal degree in co-relation 363. Up to 63 conditions per place. [2021-04-29 04:07:53,173 INFO L132 encePairwiseOnDemand]: 104/107 looper letters, 6 selfloop transitions, 1 changer transitions 0/77 dead transitions. [2021-04-29 04:07:53,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 77 transitions, 232 flow [2021-04-29 04:07:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:53,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:53,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2021-04-29 04:07:53,175 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2021-04-29 04:07:53,175 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2021-04-29 04:07:53,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2021-04-29 04:07:53,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:53,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2021-04-29 04:07:53,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,180 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,180 INFO L185 Difference]: Start difference. First operand has 46 places, 79 transitions, 224 flow. Second operand 3 states and 303 transitions. [2021-04-29 04:07:53,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 77 transitions, 232 flow [2021-04-29 04:07:53,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 77 transitions, 231 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:53,186 INFO L241 Difference]: Finished difference. Result has 47 places, 77 transitions, 219 flow [2021-04-29 04:07:53,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=47, PETRI_TRANSITIONS=77} [2021-04-29 04:07:53,187 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -11 predicate places. [2021-04-29 04:07:53,187 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:53,187 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 77 transitions, 219 flow [2021-04-29 04:07:53,188 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 77 transitions, 219 flow [2021-04-29 04:07:53,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 77 transitions, 219 flow [2021-04-29 04:07:53,219 INFO L129 PetriNetUnfolder]: 185/317 cut-off events. [2021-04-29 04:07:53,220 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:53,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 317 events. 185/317 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1100 event pairs, 0 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 324. Up to 63 conditions per place. [2021-04-29 04:07:53,225 INFO L146 LiptonReduction]: Number of co-enabled transitions 1568 [2021-04-29 04:07:53,242 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:53,242 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:53,243 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-04-29 04:07:53,245 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 77 transitions, 219 flow [2021-04-29 04:07:53,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,246 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:53,246 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] [2021-04-29 04:07:53,246 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 04:07:53,247 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:53,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:53,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1836523951, now seen corresponding path program 1 times [2021-04-29 04:07:53,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:53,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966597606] [2021-04-29 04:07:53,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:53,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:53,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:53,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:53,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:53,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:53,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:53,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:53,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966597606] [2021-04-29 04:07:53,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:53,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:53,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942088979] [2021-04-29 04:07:53,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:53,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:53,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:53,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:53,313 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-04-29 04:07:53,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 77 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:53,314 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-04-29 04:07:53,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:53,339 INFO L129 PetriNetUnfolder]: 48/119 cut-off events. [2021-04-29 04:07:53,340 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2021-04-29 04:07:53,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 119 events. 48/119 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 350 event pairs, 0 based on Foata normal form. 31/142 useless extension candidates. Maximal degree in co-relation 135. Up to 20 conditions per place. [2021-04-29 04:07:53,341 INFO L132 encePairwiseOnDemand]: 100/107 looper letters, 2 selfloop transitions, 1 changer transitions 0/71 dead transitions. [2021-04-29 04:07:53,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 71 transitions, 207 flow [2021-04-29 04:07:53,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2021-04-29 04:07:53,344 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2021-04-29 04:07:53,344 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2021-04-29 04:07:53,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2021-04-29 04:07:53,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:53,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2021-04-29 04:07:53,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,348 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,348 INFO L185 Difference]: Start difference. First operand has 47 places, 77 transitions, 219 flow. Second operand 3 states and 303 transitions. [2021-04-29 04:07:53,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 71 transitions, 207 flow [2021-04-29 04:07:53,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 71 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:53,354 INFO L241 Difference]: Finished difference. Result has 48 places, 71 transitions, 202 flow [2021-04-29 04:07:53,354 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=48, PETRI_TRANSITIONS=71} [2021-04-29 04:07:53,355 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -10 predicate places. [2021-04-29 04:07:53,355 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:53,355 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 71 transitions, 202 flow [2021-04-29 04:07:53,355 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 71 transitions, 202 flow [2021-04-29 04:07:53,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 71 transitions, 202 flow [2021-04-29 04:07:53,368 INFO L129 PetriNetUnfolder]: 48/119 cut-off events. [2021-04-29 04:07:53,368 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:53,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 119 events. 48/119 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 321 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 127. Up to 20 conditions per place. [2021-04-29 04:07:53,370 INFO L146 LiptonReduction]: Number of co-enabled transitions 1032 [2021-04-29 04:07:53,384 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:53,385 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:53,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-04-29 04:07:53,388 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 71 transitions, 202 flow [2021-04-29 04:07:53,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,388 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:53,389 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] [2021-04-29 04:07:53,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 04:07:53,389 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:53,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:53,389 INFO L82 PathProgramCache]: Analyzing trace with hash -221214065, now seen corresponding path program 1 times [2021-04-29 04:07:53,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:53,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468817661] [2021-04-29 04:07:53,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:53,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:53,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:53,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:53,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:07:53,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:53,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:53,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468817661] [2021-04-29 04:07:53,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:53,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:07:53,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964855681] [2021-04-29 04:07:53,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:07:53,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:53,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:07:53,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:07:53,460 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-04-29 04:07:53,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 71 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,461 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:53,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-04-29 04:07:53,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:53,481 INFO L129 PetriNetUnfolder]: 6/45 cut-off events. [2021-04-29 04:07:53,481 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-04-29 04:07:53,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 45 events. 6/45 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 85 event pairs, 0 based on Foata normal form. 13/50 useless extension candidates. Maximal degree in co-relation 55. Up to 6 conditions per place. [2021-04-29 04:07:53,482 INFO L132 encePairwiseOnDemand]: 99/107 looper letters, 1 selfloop transitions, 1 changer transitions 2/42 dead transitions. [2021-04-29 04:07:53,482 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 42 transitions, 119 flow [2021-04-29 04:07:53,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:07:53,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:07:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2021-04-29 04:07:53,485 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9439252336448598 [2021-04-29 04:07:53,485 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2021-04-29 04:07:53,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2021-04-29 04:07:53,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:53,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2021-04-29 04:07:53,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,489 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,489 INFO L185 Difference]: Start difference. First operand has 48 places, 71 transitions, 202 flow. Second operand 3 states and 303 transitions. [2021-04-29 04:07:53,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 42 transitions, 119 flow [2021-04-29 04:07:53,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 42 transitions, 118 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:53,491 INFO L241 Difference]: Finished difference. Result has 49 places, 40 transitions, 112 flow [2021-04-29 04:07:53,492 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2021-04-29 04:07:53,492 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -9 predicate places. [2021-04-29 04:07:53,492 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:53,492 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 40 transitions, 112 flow [2021-04-29 04:07:53,493 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 40 transitions, 112 flow [2021-04-29 04:07:53,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 40 transitions, 112 flow [2021-04-29 04:07:53,515 INFO L129 PetriNetUnfolder]: 6/43 cut-off events. [2021-04-29 04:07:53,515 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:53,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 43 events. 6/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 74 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 52. Up to 6 conditions per place. [2021-04-29 04:07:53,516 INFO L146 LiptonReduction]: Number of co-enabled transitions 556 [2021-04-29 04:07:53,523 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:53,523 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:53,523 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-04-29 04:07:53,526 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 40 transitions, 112 flow [2021-04-29 04:07:53,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:53,528 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:53,528 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] [2021-04-29 04:07:53,528 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 04:07:53,528 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:53,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:53,529 INFO L82 PathProgramCache]: Analyzing trace with hash -938506933, now seen corresponding path program 1 times [2021-04-29 04:07:53,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:53,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720602215] [2021-04-29 04:07:53,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:53,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:53,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:53,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:53,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:53,695 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:07:53,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:07:53,715 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:53,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:53,753 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:07:53,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:07:53,832 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-04-29 04:07:53,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:07:53,910 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:07:53,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:07:53,955 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:07:53,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:07:54,008 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:07:54,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:07:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:54,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720602215] [2021-04-29 04:07:54,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:54,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:07:54,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016981755] [2021-04-29 04:07:54,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:07:54,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:54,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:07:54,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:07:54,058 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:07:54,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 40 transitions, 112 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:54,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:54,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:07:54,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:07:57,490 INFO L129 PetriNetUnfolder]: 18931/28009 cut-off events. [2021-04-29 04:07:57,491 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 04:07:57,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51185 conditions, 28009 events. 18931/28009 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2166. Compared 204021 event pairs, 3241 based on Foata normal form. 1/18475 useless extension candidates. Maximal degree in co-relation 51177. Up to 9073 conditions per place. [2021-04-29 04:07:57,693 INFO L132 encePairwiseOnDemand]: 92/107 looper letters, 57 selfloop transitions, 14 changer transitions 0/96 dead transitions. [2021-04-29 04:07:57,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 96 transitions, 366 flow [2021-04-29 04:07:57,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:07:57,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:07:57,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 962 transitions. [2021-04-29 04:07:57,697 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8990654205607477 [2021-04-29 04:07:57,698 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 962 transitions. [2021-04-29 04:07:57,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 962 transitions. [2021-04-29 04:07:57,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:07:57,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 962 transitions. [2021-04-29 04:07:57,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 96.2) internal successors, (962), 10 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:57,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:57,705 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:57,705 INFO L185 Difference]: Start difference. First operand has 47 places, 40 transitions, 112 flow. Second operand 10 states and 962 transitions. [2021-04-29 04:07:57,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 96 transitions, 366 flow [2021-04-29 04:07:57,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 96 transitions, 365 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:07:57,711 INFO L241 Difference]: Finished difference. Result has 63 places, 52 transitions, 215 flow [2021-04-29 04:07:57,711 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=215, PETRI_PLACES=63, PETRI_TRANSITIONS=52} [2021-04-29 04:07:57,712 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 5 predicate places. [2021-04-29 04:07:57,712 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:07:57,712 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 52 transitions, 215 flow [2021-04-29 04:07:57,712 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 52 transitions, 215 flow [2021-04-29 04:07:57,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 52 transitions, 215 flow [2021-04-29 04:07:57,786 INFO L129 PetriNetUnfolder]: 202/862 cut-off events. [2021-04-29 04:07:57,786 INFO L130 PetriNetUnfolder]: For 155/155 co-relation queries the response was YES. [2021-04-29 04:07:57,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1447 conditions, 862 events. 202/862 cut-off events. For 155/155 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 8524 event pairs, 0 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 1432. Up to 202 conditions per place. [2021-04-29 04:07:57,805 INFO L146 LiptonReduction]: Number of co-enabled transitions 870 [2021-04-29 04:07:57,813 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:07:57,813 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:07:57,814 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 102 [2021-04-29 04:07:57,815 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 215 flow [2021-04-29 04:07:57,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:57,816 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:07:57,816 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] [2021-04-29 04:07:57,816 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 04:07:57,816 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:07:57,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:07:57,817 INFO L82 PathProgramCache]: Analyzing trace with hash 831215895, now seen corresponding path program 2 times [2021-04-29 04:07:57,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:07:57,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004210324] [2021-04-29 04:07:57,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:07:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:07:57,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:57,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:07:57,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:57,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:07:57,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:07:57,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:07:57,900 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:07:57,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:07:57,917 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:07:57,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:07:57,941 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:07:57,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:07:57,976 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:07:57,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:07:58,019 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-04-29 04:07:58,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 04:07:58,102 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:07:58,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:07:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:07:58,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004210324] [2021-04-29 04:07:58,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:07:58,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:07:58,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029224857] [2021-04-29 04:07:58,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:07:58,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:07:58,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:07:58,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:07:58,156 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:07:58,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 215 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:07:58,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:07:58,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:07:58,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:05,153 INFO L129 PetriNetUnfolder]: 32347/56474 cut-off events. [2021-04-29 04:08:05,154 INFO L130 PetriNetUnfolder]: For 26387/26579 co-relation queries the response was YES. [2021-04-29 04:08:05,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133939 conditions, 56474 events. 32347/56474 cut-off events. For 26387/26579 co-relation queries the response was YES. Maximal size of possible extension queue 6397. Compared 599059 event pairs, 3241 based on Foata normal form. 1/40391 useless extension candidates. Maximal degree in co-relation 133923. Up to 16096 conditions per place. [2021-04-29 04:08:05,603 INFO L132 encePairwiseOnDemand]: 92/107 looper letters, 69 selfloop transitions, 22 changer transitions 0/116 dead transitions. [2021-04-29 04:08:05,603 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 116 transitions, 681 flow [2021-04-29 04:08:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:08:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:08:05,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 963 transitions. [2021-04-29 04:08:05,607 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9 [2021-04-29 04:08:05,607 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 963 transitions. [2021-04-29 04:08:05,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 963 transitions. [2021-04-29 04:08:05,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:05,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 963 transitions. [2021-04-29 04:08:05,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 96.3) internal successors, (963), 10 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:05,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:05,614 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:05,614 INFO L185 Difference]: Start difference. First operand has 63 places, 52 transitions, 215 flow. Second operand 10 states and 963 transitions. [2021-04-29 04:08:05,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 116 transitions, 681 flow [2021-04-29 04:08:05,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 116 transitions, 665 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 04:08:05,662 INFO L241 Difference]: Finished difference. Result has 79 places, 67 transitions, 395 flow [2021-04-29 04:08:05,662 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=395, PETRI_PLACES=79, PETRI_TRANSITIONS=67} [2021-04-29 04:08:05,663 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 21 predicate places. [2021-04-29 04:08:05,663 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:05,663 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions, 395 flow [2021-04-29 04:08:05,664 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 67 transitions, 395 flow [2021-04-29 04:08:05,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions, 395 flow [2021-04-29 04:08:06,134 INFO L129 PetriNetUnfolder]: 680/2901 cut-off events. [2021-04-29 04:08:06,135 INFO L130 PetriNetUnfolder]: For 1650/1754 co-relation queries the response was YES. [2021-04-29 04:08:06,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5771 conditions, 2901 events. 680/2901 cut-off events. For 1650/1754 co-relation queries the response was YES. Maximal size of possible extension queue 917. Compared 36955 event pairs, 0 based on Foata normal form. 0/2016 useless extension candidates. Maximal degree in co-relation 5748. Up to 670 conditions per place. [2021-04-29 04:08:06,196 INFO L146 LiptonReduction]: Number of co-enabled transitions 1266 [2021-04-29 04:08:06,207 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:06,208 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:06,208 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 545 [2021-04-29 04:08:06,209 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 67 transitions, 395 flow [2021-04-29 04:08:06,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:06,210 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:06,210 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] [2021-04-29 04:08:06,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 04:08:06,211 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:06,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:06,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1699449583, now seen corresponding path program 3 times [2021-04-29 04:08:06,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:06,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110603243] [2021-04-29 04:08:06,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:06,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:06,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:06,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:06,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:06,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:06,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:06,278 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:06,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:06,294 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:06,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:06,316 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:06,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:06,347 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:08:06,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:08:06,386 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-04-29 04:08:06,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 04:08:06,438 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:08:06,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:08:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:06,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110603243] [2021-04-29 04:08:06,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:06,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:08:06,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271017755] [2021-04-29 04:08:06,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:08:06,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:06,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:08:06,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:08:06,486 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:08:06,487 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 67 transitions, 395 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:06,487 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:06,487 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:08:06,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:16,697 INFO L129 PetriNetUnfolder]: 44033/80415 cut-off events. [2021-04-29 04:08:16,697 INFO L130 PetriNetUnfolder]: For 118741/119321 co-relation queries the response was YES. [2021-04-29 04:08:17,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 256996 conditions, 80415 events. 44033/80415 cut-off events. For 118741/119321 co-relation queries the response was YES. Maximal size of possible extension queue 10195. Compared 956658 event pairs, 6215 based on Foata normal form. 1/56186 useless extension candidates. Maximal degree in co-relation 256972. Up to 25168 conditions per place. [2021-04-29 04:08:17,701 INFO L132 encePairwiseOnDemand]: 92/107 looper letters, 114 selfloop transitions, 37 changer transitions 0/176 dead transitions. [2021-04-29 04:08:17,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 176 transitions, 1493 flow [2021-04-29 04:08:17,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:08:17,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:08:17,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 963 transitions. [2021-04-29 04:08:17,705 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9 [2021-04-29 04:08:17,706 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 963 transitions. [2021-04-29 04:08:17,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 963 transitions. [2021-04-29 04:08:17,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:17,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 963 transitions. [2021-04-29 04:08:17,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 96.3) internal successors, (963), 10 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:17,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:17,713 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:17,713 INFO L185 Difference]: Start difference. First operand has 79 places, 67 transitions, 395 flow. Second operand 10 states and 963 transitions. [2021-04-29 04:08:17,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 176 transitions, 1493 flow [2021-04-29 04:08:19,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 176 transitions, 1437 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-04-29 04:08:19,789 INFO L241 Difference]: Finished difference. Result has 95 places, 98 transitions, 813 flow [2021-04-29 04:08:19,789 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=813, PETRI_PLACES=95, PETRI_TRANSITIONS=98} [2021-04-29 04:08:19,790 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 37 predicate places. [2021-04-29 04:08:19,790 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:19,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 98 transitions, 813 flow [2021-04-29 04:08:19,790 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 98 transitions, 813 flow [2021-04-29 04:08:19,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 98 transitions, 813 flow [2021-04-29 04:08:20,815 INFO L129 PetriNetUnfolder]: 2598/9812 cut-off events. [2021-04-29 04:08:20,815 INFO L130 PetriNetUnfolder]: For 10521/11929 co-relation queries the response was YES. [2021-04-29 04:08:20,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21276 conditions, 9812 events. 2598/9812 cut-off events. For 10521/11929 co-relation queries the response was YES. Maximal size of possible extension queue 2769. Compared 147501 event pairs, 0 based on Foata normal form. 0/7283 useless extension candidates. Maximal degree in co-relation 21245. Up to 2506 conditions per place. [2021-04-29 04:08:20,983 INFO L146 LiptonReduction]: Number of co-enabled transitions 2014 [2021-04-29 04:08:21,002 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:21,002 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:21,003 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1213 [2021-04-29 04:08:21,004 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 98 transitions, 813 flow [2021-04-29 04:08:21,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:21,005 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:21,005 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] [2021-04-29 04:08:21,005 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 04:08:21,005 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:21,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:21,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1337801211, now seen corresponding path program 4 times [2021-04-29 04:08:21,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:21,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318695493] [2021-04-29 04:08:21,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:21,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:21,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:21,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:21,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:21,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:21,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:21,061 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:08:21,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:08:21,076 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:08:21,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:08:21,096 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:08:21,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:08:21,125 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:08:21,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:08:21,161 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:08:21,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:08:21,211 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:08:21,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:08:21,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:21,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318695493] [2021-04-29 04:08:21,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:21,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:08:21,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041708199] [2021-04-29 04:08:21,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:08:21,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:21,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:08:21,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:08:21,254 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:08:21,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 98 transitions, 813 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:21,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:21,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:08:21,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:08:41,311 INFO L129 PetriNetUnfolder]: 63813/125658 cut-off events. [2021-04-29 04:08:41,311 INFO L130 PetriNetUnfolder]: For 338052/338484 co-relation queries the response was YES. [2021-04-29 04:08:42,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 467651 conditions, 125658 events. 63813/125658 cut-off events. For 338052/338484 co-relation queries the response was YES. Maximal size of possible extension queue 17771. Compared 1710873 event pairs, 8885 based on Foata normal form. 1/89126 useless extension candidates. Maximal degree in co-relation 467619. Up to 38656 conditions per place. [2021-04-29 04:08:43,038 INFO L132 encePairwiseOnDemand]: 92/107 looper letters, 151 selfloop transitions, 60 changer transitions 0/236 dead transitions. [2021-04-29 04:08:43,038 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 236 transitions, 2599 flow [2021-04-29 04:08:43,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:08:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:08:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 963 transitions. [2021-04-29 04:08:43,044 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9 [2021-04-29 04:08:43,044 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 963 transitions. [2021-04-29 04:08:43,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 963 transitions. [2021-04-29 04:08:43,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:08:43,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 963 transitions. [2021-04-29 04:08:43,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 96.3) internal successors, (963), 10 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:43,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:43,059 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:43,060 INFO L185 Difference]: Start difference. First operand has 95 places, 98 transitions, 813 flow. Second operand 10 states and 963 transitions. [2021-04-29 04:08:43,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 236 transitions, 2599 flow [2021-04-29 04:08:48,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 236 transitions, 2571 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-04-29 04:08:48,671 INFO L241 Difference]: Finished difference. Result has 111 places, 148 transitions, 1653 flow [2021-04-29 04:08:48,671 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1653, PETRI_PLACES=111, PETRI_TRANSITIONS=148} [2021-04-29 04:08:48,672 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 53 predicate places. [2021-04-29 04:08:48,672 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:08:48,672 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 148 transitions, 1653 flow [2021-04-29 04:08:48,673 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 148 transitions, 1653 flow [2021-04-29 04:08:48,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 148 transitions, 1653 flow [2021-04-29 04:08:51,426 INFO L129 PetriNetUnfolder]: 6696/24015 cut-off events. [2021-04-29 04:08:51,427 INFO L130 PetriNetUnfolder]: For 45959/52739 co-relation queries the response was YES. [2021-04-29 04:08:51,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58187 conditions, 24015 events. 6696/24015 cut-off events. For 45959/52739 co-relation queries the response was YES. Maximal size of possible extension queue 6259. Compared 399903 event pairs, 0 based on Foata normal form. 68/18347 useless extension candidates. Maximal degree in co-relation 58148. Up to 6550 conditions per place. [2021-04-29 04:08:51,912 INFO L146 LiptonReduction]: Number of co-enabled transitions 3086 [2021-04-29 04:08:51,927 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:08:51,927 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:08:51,927 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3255 [2021-04-29 04:08:51,928 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 148 transitions, 1653 flow [2021-04-29 04:08:51,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:51,929 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:08:51,929 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] [2021-04-29 04:08:51,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 04:08:51,929 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:08:51,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:08:51,930 INFO L82 PathProgramCache]: Analyzing trace with hash 571642537, now seen corresponding path program 5 times [2021-04-29 04:08:51,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:08:51,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706767170] [2021-04-29 04:08:51,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:08:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:08:51,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:51,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:08:51,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:51,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:08:51,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:51,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:08:51,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:08:51,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:08:51,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:08:51,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:08:52,017 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:08:52,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:08:52,043 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-04-29 04:08:52,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 04:08:52,110 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:08:52,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:08:52,153 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:08:52,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:08:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:08:52,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706767170] [2021-04-29 04:08:52,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:08:52,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:08:52,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490190102] [2021-04-29 04:08:52,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:08:52,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:08:52,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:08:52,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:08:52,198 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:08:52,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 148 transitions, 1653 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:08:52,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:08:52,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:08:52,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:09:38,249 INFO L129 PetriNetUnfolder]: 99882/212174 cut-off events. [2021-04-29 04:09:38,250 INFO L130 PetriNetUnfolder]: For 692708/693650 co-relation queries the response was YES. [2021-04-29 04:09:40,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 791869 conditions, 212174 events. 99882/212174 cut-off events. For 692708/693650 co-relation queries the response was YES. Maximal size of possible extension queue 35437. Compared 3260636 event pairs, 21422 based on Foata normal form. 1/157787 useless extension candidates. Maximal degree in co-relation 791829. Up to 46526 conditions per place. [2021-04-29 04:09:41,115 INFO L132 encePairwiseOnDemand]: 92/107 looper letters, 214 selfloop transitions, 54 changer transitions 11/304 dead transitions. [2021-04-29 04:09:41,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 304 transitions, 4061 flow [2021-04-29 04:09:41,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:09:41,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:09:41,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 967 transitions. [2021-04-29 04:09:41,119 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9037383177570093 [2021-04-29 04:09:41,119 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 967 transitions. [2021-04-29 04:09:41,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 967 transitions. [2021-04-29 04:09:41,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:09:41,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 967 transitions. [2021-04-29 04:09:41,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 96.7) internal successors, (967), 10 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:41,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:41,127 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:41,127 INFO L185 Difference]: Start difference. First operand has 111 places, 148 transitions, 1653 flow. Second operand 10 states and 967 transitions. [2021-04-29 04:09:41,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 304 transitions, 4061 flow [2021-04-29 04:09:51,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 304 transitions, 4013 flow, removed 12 selfloop flow, removed 1 redundant places. [2021-04-29 04:09:51,846 INFO L241 Difference]: Finished difference. Result has 127 places, 182 transitions, 2273 flow [2021-04-29 04:09:51,847 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=1619, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2273, PETRI_PLACES=127, PETRI_TRANSITIONS=182} [2021-04-29 04:09:51,847 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 69 predicate places. [2021-04-29 04:09:51,847 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:09:51,847 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 182 transitions, 2273 flow [2021-04-29 04:09:51,848 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 182 transitions, 2273 flow [2021-04-29 04:09:51,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 182 transitions, 2273 flow [2021-04-29 04:09:57,186 INFO L129 PetriNetUnfolder]: 9418/36364 cut-off events. [2021-04-29 04:09:57,186 INFO L130 PetriNetUnfolder]: For 108339/116813 co-relation queries the response was YES. [2021-04-29 04:09:57,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99867 conditions, 36364 events. 9418/36364 cut-off events. For 108339/116813 co-relation queries the response was YES. Maximal size of possible extension queue 9256. Compared 649462 event pairs, 0 based on Foata normal form. 104/28088 useless extension candidates. Maximal degree in co-relation 99820. Up to 9620 conditions per place. [2021-04-29 04:09:57,947 INFO L146 LiptonReduction]: Number of co-enabled transitions 3916 [2021-04-29 04:09:57,965 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:09:57,965 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:09:57,966 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6119 [2021-04-29 04:09:57,967 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 182 transitions, 2273 flow [2021-04-29 04:09:57,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:57,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:09:57,968 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] [2021-04-29 04:09:57,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 04:09:57,968 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:09:57,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:09:57,969 INFO L82 PathProgramCache]: Analyzing trace with hash -283564695, now seen corresponding path program 1 times [2021-04-29 04:09:57,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:09:57,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008495588] [2021-04-29 04:09:57,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:09:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:09:57,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:57,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:57,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:57,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 04:09:57,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:09:57,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:09:57,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:09:57,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008495588] [2021-04-29 04:09:57,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:09:57,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 04:09:57,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940910791] [2021-04-29 04:09:57,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 04:09:57,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:09:57,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 04:09:57,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 04:09:57,987 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 107 [2021-04-29 04:09:57,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 182 transitions, 2273 flow. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:09:57,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:09:57,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 107 [2021-04-29 04:09:57,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:01,311 INFO L129 PetriNetUnfolder]: 0/17018 cut-off events. [2021-04-29 04:10:01,312 INFO L130 PetriNetUnfolder]: For 114518/122929 co-relation queries the response was YES. [2021-04-29 04:10:01,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81719 conditions, 17018 events. 0/17018 cut-off events. For 114518/122929 co-relation queries the response was YES. Maximal size of possible extension queue 5420. Compared 365363 event pairs, 0 based on Foata normal form. 5223/15182 useless extension candidates. Maximal degree in co-relation 0. Up to 2019 conditions per place. [2021-04-29 04:10:01,324 INFO L132 encePairwiseOnDemand]: 103/107 looper letters, 1 selfloop transitions, 1 changer transitions 66/173 dead transitions. [2021-04-29 04:10:01,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 173 transitions, 2250 flow [2021-04-29 04:10:01,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 04:10:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 04:10:01,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 299 transitions. [2021-04-29 04:10:01,326 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9314641744548287 [2021-04-29 04:10:01,326 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 299 transitions. [2021-04-29 04:10:01,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 299 transitions. [2021-04-29 04:10:01,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:01,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 299 transitions. [2021-04-29 04:10:01,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:01,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:01,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:01,329 INFO L185 Difference]: Start difference. First operand has 127 places, 182 transitions, 2273 flow. Second operand 3 states and 299 transitions. [2021-04-29 04:10:01,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 173 transitions, 2250 flow [2021-04-29 04:10:02,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 173 transitions, 2134 flow, removed 50 selfloop flow, removed 1 redundant places. [2021-04-29 04:10:02,168 INFO L241 Difference]: Finished difference. Result has 128 places, 107 transitions, 1346 flow [2021-04-29 04:10:02,168 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=2130, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1346, PETRI_PLACES=128, PETRI_TRANSITIONS=107} [2021-04-29 04:10:02,168 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 70 predicate places. [2021-04-29 04:10:02,168 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:02,169 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 107 transitions, 1346 flow [2021-04-29 04:10:02,169 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 107 transitions, 1346 flow [2021-04-29 04:10:02,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 107 transitions, 1346 flow [2021-04-29 04:10:02,391 INFO L129 PetriNetUnfolder]: 0/1919 cut-off events. [2021-04-29 04:10:02,391 INFO L130 PetriNetUnfolder]: For 8106/8351 co-relation queries the response was YES. [2021-04-29 04:10:02,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5692 conditions, 1919 events. 0/1919 cut-off events. For 8106/8351 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 26675 event pairs, 0 based on Foata normal form. 17/1760 useless extension candidates. Maximal degree in co-relation 0. Up to 195 conditions per place. [2021-04-29 04:10:02,407 INFO L146 LiptonReduction]: Number of co-enabled transitions 950 [2021-04-29 04:10:02,415 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:02,415 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:02,415 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 247 [2021-04-29 04:10:02,416 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 107 transitions, 1346 flow [2021-04-29 04:10:02,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:02,417 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:02,417 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] [2021-04-29 04:10:02,417 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 04:10:02,417 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:02,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:02,417 INFO L82 PathProgramCache]: Analyzing trace with hash -430197659, now seen corresponding path program 6 times [2021-04-29 04:10:02,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:02,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396142881] [2021-04-29 04:10:02,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:02,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:02,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:02,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:02,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:02,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:02,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:02,465 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:02,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:02,478 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:10:02,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:10:02,496 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:02,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:02,522 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:10:02,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:10:02,558 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:10:02,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:10:02,601 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:10:02,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:10:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:02,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396142881] [2021-04-29 04:10:02,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:02,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:10:02,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691584969] [2021-04-29 04:10:02,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:10:02,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:02,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:10:02,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:10:02,642 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:10:02,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 107 transitions, 1346 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:02,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:02,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:10:02,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:04,018 INFO L129 PetriNetUnfolder]: 2405/7162 cut-off events. [2021-04-29 04:10:04,018 INFO L130 PetriNetUnfolder]: For 67171/67597 co-relation queries the response was YES. [2021-04-29 04:10:04,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35784 conditions, 7162 events. 2405/7162 cut-off events. For 67171/67597 co-relation queries the response was YES. Maximal size of possible extension queue 801. Compared 82256 event pairs, 895 based on Foata normal form. 2/7000 useless extension candidates. Maximal degree in co-relation 35736. Up to 2337 conditions per place. [2021-04-29 04:10:04,083 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 118 selfloop transitions, 52 changer transitions 1/187 dead transitions. [2021-04-29 04:10:04,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 187 transitions, 2686 flow [2021-04-29 04:10:04,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:10:04,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:10:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:10:04,086 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:10:04,086 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:10:04,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:10:04,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:04,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:10:04,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:04,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:04,093 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:04,093 INFO L185 Difference]: Start difference. First operand has 117 places, 107 transitions, 1346 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:10:04,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 187 transitions, 2686 flow [2021-04-29 04:10:04,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 187 transitions, 2608 flow, removed 38 selfloop flow, removed 7 redundant places. [2021-04-29 04:10:04,222 INFO L241 Difference]: Finished difference. Result has 127 places, 132 transitions, 1888 flow [2021-04-29 04:10:04,223 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=1332, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1888, PETRI_PLACES=127, PETRI_TRANSITIONS=132} [2021-04-29 04:10:04,223 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 69 predicate places. [2021-04-29 04:10:04,223 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:04,223 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 132 transitions, 1888 flow [2021-04-29 04:10:04,224 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 132 transitions, 1888 flow [2021-04-29 04:10:04,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 132 transitions, 1888 flow [2021-04-29 04:10:04,485 INFO L129 PetriNetUnfolder]: 0/2158 cut-off events. [2021-04-29 04:10:04,485 INFO L130 PetriNetUnfolder]: For 9635/10209 co-relation queries the response was YES. [2021-04-29 04:10:04,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5929 conditions, 2158 events. 0/2158 cut-off events. For 9635/10209 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 30615 event pairs, 0 based on Foata normal form. 19/1974 useless extension candidates. Maximal degree in co-relation 0. Up to 219 conditions per place. [2021-04-29 04:10:04,506 INFO L146 LiptonReduction]: Number of co-enabled transitions 1126 [2021-04-29 04:10:04,512 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:04,512 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:04,512 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 289 [2021-04-29 04:10:04,513 INFO L480 AbstractCegarLoop]: Abstraction has has 126 places, 132 transitions, 1888 flow [2021-04-29 04:10:04,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:04,513 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:04,514 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] [2021-04-29 04:10:04,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 04:10:04,514 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:04,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:04,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1270674297, now seen corresponding path program 7 times [2021-04-29 04:10:04,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:04,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539362183] [2021-04-29 04:10:04,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:04,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:04,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:04,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:04,565 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:04,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:04,578 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:10:04,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:10:04,592 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:10:04,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:10:04,613 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:10:04,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:10:04,641 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:10:04,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:10:04,680 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-04-29 04:10:04,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 04:10:04,731 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:10:04,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:10:04,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:04,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539362183] [2021-04-29 04:10:04,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:04,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:10:04,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936150326] [2021-04-29 04:10:04,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:10:04,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:04,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:10:04,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:10:04,774 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:10:04,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 132 transitions, 1888 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:04,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:04,776 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:10:04,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:06,410 INFO L129 PetriNetUnfolder]: 2690/9156 cut-off events. [2021-04-29 04:10:06,410 INFO L130 PetriNetUnfolder]: For 102850/103414 co-relation queries the response was YES. [2021-04-29 04:10:06,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45813 conditions, 9156 events. 2690/9156 cut-off events. For 102850/103414 co-relation queries the response was YES. Maximal size of possible extension queue 1068. Compared 119154 event pairs, 842 based on Foata normal form. 4/8841 useless extension candidates. Maximal degree in co-relation 45763. Up to 2370 conditions per place. [2021-04-29 04:10:06,495 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 149 selfloop transitions, 77 changer transitions 2/244 dead transitions. [2021-04-29 04:10:06,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 244 transitions, 4098 flow [2021-04-29 04:10:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:10:06,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:10:06,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:10:06,499 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:10:06,500 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:10:06,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:10:06,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:06,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:10:06,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:06,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:06,506 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:06,507 INFO L185 Difference]: Start difference. First operand has 126 places, 132 transitions, 1888 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:10:06,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 244 transitions, 4098 flow [2021-04-29 04:10:06,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 244 transitions, 3930 flow, removed 56 selfloop flow, removed 2 redundant places. [2021-04-29 04:10:06,795 INFO L241 Difference]: Finished difference. Result has 141 places, 177 transitions, 2924 flow [2021-04-29 04:10:06,795 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=1810, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2924, PETRI_PLACES=141, PETRI_TRANSITIONS=177} [2021-04-29 04:10:06,795 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 83 predicate places. [2021-04-29 04:10:06,795 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:06,796 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 177 transitions, 2924 flow [2021-04-29 04:10:06,796 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 177 transitions, 2924 flow [2021-04-29 04:10:06,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 177 transitions, 2924 flow [2021-04-29 04:10:07,184 INFO L129 PetriNetUnfolder]: 0/2763 cut-off events. [2021-04-29 04:10:07,184 INFO L130 PetriNetUnfolder]: For 16776/17850 co-relation queries the response was YES. [2021-04-29 04:10:07,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8243 conditions, 2763 events. 0/2763 cut-off events. For 16776/17850 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 41356 event pairs, 0 based on Foata normal form. 17/2572 useless extension candidates. Maximal degree in co-relation 0. Up to 285 conditions per place. [2021-04-29 04:10:07,211 INFO L146 LiptonReduction]: Number of co-enabled transitions 1494 [2021-04-29 04:10:07,221 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:07,222 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:07,222 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 427 [2021-04-29 04:10:07,223 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 177 transitions, 2924 flow [2021-04-29 04:10:07,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:07,223 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:07,223 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] [2021-04-29 04:10:07,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 04:10:07,224 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:07,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:07,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1254364457, now seen corresponding path program 8 times [2021-04-29 04:10:07,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:07,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981347766] [2021-04-29 04:10:07,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:07,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:07,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:07,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:07,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:07,268 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:10:07,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:10:07,277 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:07,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:07,289 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:07,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:07,308 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-04-29 04:10:07,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:07,357 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-04-29 04:10:07,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 04:10:07,407 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:10:07,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:10:07,453 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:10:07,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:10:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:07,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981347766] [2021-04-29 04:10:07,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:07,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:10:07,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308483373] [2021-04-29 04:10:07,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:10:07,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:07,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:10:07,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:10:07,496 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:10:07,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 177 transitions, 2924 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:07,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:07,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:10:07,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:09,162 INFO L129 PetriNetUnfolder]: 2911/8725 cut-off events. [2021-04-29 04:10:09,162 INFO L130 PetriNetUnfolder]: For 144993/145910 co-relation queries the response was YES. [2021-04-29 04:10:09,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52727 conditions, 8725 events. 2911/8725 cut-off events. For 144993/145910 co-relation queries the response was YES. Maximal size of possible extension queue 987. Compared 104554 event pairs, 1779 based on Foata normal form. 2/8407 useless extension candidates. Maximal degree in co-relation 52670. Up to 2762 conditions per place. [2021-04-29 04:10:09,260 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 138 selfloop transitions, 98 changer transitions 1/253 dead transitions. [2021-04-29 04:10:09,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 253 transitions, 4632 flow [2021-04-29 04:10:09,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:10:09,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:10:09,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:10:09,263 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:10:09,263 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:10:09,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:10:09,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:09,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:10:09,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:09,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:09,269 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:09,269 INFO L185 Difference]: Start difference. First operand has 140 places, 177 transitions, 2924 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:10:09,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 253 transitions, 4632 flow [2021-04-29 04:10:09,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 253 transitions, 4471 flow, removed 60 selfloop flow, removed 3 redundant places. [2021-04-29 04:10:09,788 INFO L241 Difference]: Finished difference. Result has 154 places, 210 transitions, 3867 flow [2021-04-29 04:10:09,789 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=2851, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3867, PETRI_PLACES=154, PETRI_TRANSITIONS=210} [2021-04-29 04:10:09,789 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 96 predicate places. [2021-04-29 04:10:09,789 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:09,789 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 210 transitions, 3867 flow [2021-04-29 04:10:09,789 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 210 transitions, 3867 flow [2021-04-29 04:10:09,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 210 transitions, 3867 flow [2021-04-29 04:10:10,248 INFO L129 PetriNetUnfolder]: 0/3006 cut-off events. [2021-04-29 04:10:10,249 INFO L130 PetriNetUnfolder]: For 24958/27053 co-relation queries the response was YES. [2021-04-29 04:10:10,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9579 conditions, 3006 events. 0/3006 cut-off events. For 24958/27053 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 45836 event pairs, 0 based on Foata normal form. 32/2818 useless extension candidates. Maximal degree in co-relation 0. Up to 313 conditions per place. [2021-04-29 04:10:10,328 INFO L146 LiptonReduction]: Number of co-enabled transitions 1802 [2021-04-29 04:10:10,341 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:10,341 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:10,342 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 553 [2021-04-29 04:10:10,343 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 210 transitions, 3867 flow [2021-04-29 04:10:10,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:10,343 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:10,343 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] [2021-04-29 04:10:10,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-29 04:10:10,344 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:10,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:10,344 INFO L82 PathProgramCache]: Analyzing trace with hash 2024127633, now seen corresponding path program 9 times [2021-04-29 04:10:10,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:10,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237332462] [2021-04-29 04:10:10,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:10,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:10,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:10,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:10,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:10,410 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:10:10,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:10:10,425 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:10,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:10,441 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:10:10,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:10:10,462 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:10,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:10,490 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:10:10,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:10:10,525 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-04-29 04:10:10,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 04:10:10,569 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:10:10,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:10:10,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:10,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237332462] [2021-04-29 04:10:10,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:10,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:10:10,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616595588] [2021-04-29 04:10:10,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:10:10,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:10,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:10:10,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:10:10,611 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:10:10,612 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 210 transitions, 3867 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:10,612 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:10,612 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:10:10,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:13,007 INFO L129 PetriNetUnfolder]: 3061/10646 cut-off events. [2021-04-29 04:10:13,007 INFO L130 PetriNetUnfolder]: For 188810/190412 co-relation queries the response was YES. [2021-04-29 04:10:13,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63027 conditions, 10646 events. 3061/10646 cut-off events. For 188810/190412 co-relation queries the response was YES. Maximal size of possible extension queue 1264. Compared 141242 event pairs, 1090 based on Foata normal form. 9/10342 useless extension candidates. Maximal degree in co-relation 62964. Up to 2849 conditions per place. [2021-04-29 04:10:13,112 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 128 selfloop transitions, 130 changer transitions 1/275 dead transitions. [2021-04-29 04:10:13,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 275 transitions, 5393 flow [2021-04-29 04:10:13,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:10:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:10:13,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:10:13,115 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:10:13,116 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:10:13,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:10:13,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:13,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:10:13,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:13,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:13,121 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:13,122 INFO L185 Difference]: Start difference. First operand has 153 places, 210 transitions, 3867 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:10:13,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 275 transitions, 5393 flow [2021-04-29 04:10:13,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 275 transitions, 5247 flow, removed 50 selfloop flow, removed 2 redundant places. [2021-04-29 04:10:13,729 INFO L241 Difference]: Finished difference. Result has 168 places, 235 transitions, 4681 flow [2021-04-29 04:10:13,729 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=3735, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=105, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4681, PETRI_PLACES=168, PETRI_TRANSITIONS=235} [2021-04-29 04:10:13,730 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 110 predicate places. [2021-04-29 04:10:13,730 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:13,730 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 235 transitions, 4681 flow [2021-04-29 04:10:13,730 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 235 transitions, 4681 flow [2021-04-29 04:10:13,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 235 transitions, 4681 flow [2021-04-29 04:10:14,370 INFO L129 PetriNetUnfolder]: 0/3636 cut-off events. [2021-04-29 04:10:14,370 INFO L130 PetriNetUnfolder]: For 37767/40795 co-relation queries the response was YES. [2021-04-29 04:10:14,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12385 conditions, 3636 events. 0/3636 cut-off events. For 37767/40795 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 57701 event pairs, 0 based on Foata normal form. 13/3388 useless extension candidates. Maximal degree in co-relation 0. Up to 377 conditions per place. [2021-04-29 04:10:14,410 INFO L146 LiptonReduction]: Number of co-enabled transitions 1990 [2021-04-29 04:10:14,425 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:14,426 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:14,426 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 696 [2021-04-29 04:10:14,427 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 235 transitions, 4681 flow [2021-04-29 04:10:14,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:14,427 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:14,427 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] [2021-04-29 04:10:14,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-29 04:10:14,428 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:14,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:14,428 INFO L82 PathProgramCache]: Analyzing trace with hash 247993769, now seen corresponding path program 10 times [2021-04-29 04:10:14,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:14,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963757773] [2021-04-29 04:10:14,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:14,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:14,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:14,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:14,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:14,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:14,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:14,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:14,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:10:14,484 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:10:14,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:10:14,511 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:10:14,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:10:14,547 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-04-29 04:10:14,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 04:10:14,597 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-04-29 04:10:14,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 04:10:14,642 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:10:14,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:10:14,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:14,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963757773] [2021-04-29 04:10:14,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:14,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:10:14,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554712218] [2021-04-29 04:10:14,680 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:10:14,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:14,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:10:14,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:10:14,682 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:10:14,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 235 transitions, 4681 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:14,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:14,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:10:14,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:17,944 INFO L129 PetriNetUnfolder]: 3179/11609 cut-off events. [2021-04-29 04:10:17,944 INFO L130 PetriNetUnfolder]: For 244739/246628 co-relation queries the response was YES. [2021-04-29 04:10:18,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73344 conditions, 11609 events. 3179/11609 cut-off events. For 244739/246628 co-relation queries the response was YES. Maximal size of possible extension queue 1364. Compared 159142 event pairs, 1126 based on Foata normal form. 8/11280 useless extension candidates. Maximal degree in co-relation 73274. Up to 2785 conditions per place. [2021-04-29 04:10:18,065 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 202 selfloop transitions, 119 changer transitions 1/338 dead transitions. [2021-04-29 04:10:18,065 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 338 transitions, 7271 flow [2021-04-29 04:10:18,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:10:18,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:10:18,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:10:18,068 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:10:18,068 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:10:18,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:10:18,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:18,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:10:18,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:18,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:18,074 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:18,074 INFO L185 Difference]: Start difference. First operand has 167 places, 235 transitions, 4681 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:10:18,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 338 transitions, 7271 flow [2021-04-29 04:10:19,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 338 transitions, 7023 flow, removed 94 selfloop flow, removed 2 redundant places. [2021-04-29 04:10:19,072 INFO L241 Difference]: Finished difference. Result has 181 places, 250 transitions, 5157 flow [2021-04-29 04:10:19,072 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=4499, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5157, PETRI_PLACES=181, PETRI_TRANSITIONS=250} [2021-04-29 04:10:19,073 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 123 predicate places. [2021-04-29 04:10:19,073 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:19,073 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 250 transitions, 5157 flow [2021-04-29 04:10:19,073 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 250 transitions, 5157 flow [2021-04-29 04:10:19,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 180 places, 250 transitions, 5157 flow [2021-04-29 04:10:19,890 INFO L129 PetriNetUnfolder]: 0/4297 cut-off events. [2021-04-29 04:10:19,890 INFO L130 PetriNetUnfolder]: For 49205/54102 co-relation queries the response was YES. [2021-04-29 04:10:19,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15299 conditions, 4297 events. 0/4297 cut-off events. For 49205/54102 co-relation queries the response was YES. Maximal size of possible extension queue 539. Compared 70092 event pairs, 0 based on Foata normal form. 23/3986 useless extension candidates. Maximal degree in co-relation 0. Up to 451 conditions per place. [2021-04-29 04:10:19,942 INFO L146 LiptonReduction]: Number of co-enabled transitions 2150 [2021-04-29 04:10:19,959 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:19,959 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:19,960 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 887 [2021-04-29 04:10:19,960 INFO L480 AbstractCegarLoop]: Abstraction has has 180 places, 250 transitions, 5157 flow [2021-04-29 04:10:19,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:19,961 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:19,961 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] [2021-04-29 04:10:19,961 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-29 04:10:19,961 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:19,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:19,962 INFO L82 PathProgramCache]: Analyzing trace with hash 2066767681, now seen corresponding path program 11 times [2021-04-29 04:10:19,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:19,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065507738] [2021-04-29 04:10:19,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:19,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:19,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:19,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:19,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:20,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:20,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:20,010 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:20,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:20,023 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:10:20,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:10:20,043 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:20,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:20,072 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:10:20,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:10:20,115 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-04-29 04:10:20,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 04:10:20,160 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:10:20,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:10:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:20,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065507738] [2021-04-29 04:10:20,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:20,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:10:20,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659704193] [2021-04-29 04:10:20,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:10:20,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:20,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:10:20,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:10:20,203 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:10:20,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 250 transitions, 5157 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:20,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:20,204 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:10:20,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:23,994 INFO L129 PetriNetUnfolder]: 3293/13160 cut-off events. [2021-04-29 04:10:23,994 INFO L130 PetriNetUnfolder]: For 312487/315596 co-relation queries the response was YES. [2021-04-29 04:10:24,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85706 conditions, 13160 events. 3293/13160 cut-off events. For 312487/315596 co-relation queries the response was YES. Maximal size of possible extension queue 1596. Compared 190462 event pairs, 1120 based on Foata normal form. 8/12789 useless extension candidates. Maximal degree in co-relation 85630. Up to 3466 conditions per place. [2021-04-29 04:10:24,160 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 268 selfloop transitions, 137 changer transitions 3/424 dead transitions. [2021-04-29 04:10:24,161 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 424 transitions, 9223 flow [2021-04-29 04:10:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:10:24,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:10:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:10:24,163 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:10:24,163 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:10:24,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:10:24,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:24,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:10:24,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:24,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:24,168 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:24,168 INFO L185 Difference]: Start difference. First operand has 180 places, 250 transitions, 5157 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:10:24,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 424 transitions, 9223 flow [2021-04-29 04:10:25,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 424 transitions, 8983 flow, removed 90 selfloop flow, removed 2 redundant places. [2021-04-29 04:10:25,683 INFO L241 Difference]: Finished difference. Result has 195 places, 313 transitions, 6846 flow [2021-04-29 04:10:25,683 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=4997, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=6846, PETRI_PLACES=195, PETRI_TRANSITIONS=313} [2021-04-29 04:10:25,684 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 137 predicate places. [2021-04-29 04:10:25,684 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:25,684 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 313 transitions, 6846 flow [2021-04-29 04:10:25,684 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 313 transitions, 6846 flow [2021-04-29 04:10:25,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 194 places, 313 transitions, 6846 flow [2021-04-29 04:10:27,191 INFO L129 PetriNetUnfolder]: 0/5653 cut-off events. [2021-04-29 04:10:27,191 INFO L130 PetriNetUnfolder]: For 69129/73993 co-relation queries the response was YES. [2021-04-29 04:10:27,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20843 conditions, 5653 events. 0/5653 cut-off events. For 69129/73993 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 96751 event pairs, 0 based on Foata normal form. 27/5290 useless extension candidates. Maximal degree in co-relation 0. Up to 593 conditions per place. [2021-04-29 04:10:27,256 INFO L146 LiptonReduction]: Number of co-enabled transitions 2630 [2021-04-29 04:10:27,289 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:27,289 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:27,289 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1605 [2021-04-29 04:10:27,290 INFO L480 AbstractCegarLoop]: Abstraction has has 194 places, 313 transitions, 6846 flow [2021-04-29 04:10:27,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:27,291 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:27,291 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] [2021-04-29 04:10:27,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-29 04:10:27,291 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:27,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:27,291 INFO L82 PathProgramCache]: Analyzing trace with hash 597339341, now seen corresponding path program 12 times [2021-04-29 04:10:27,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:27,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206118493] [2021-04-29 04:10:27,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:27,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:27,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:27,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:27,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:27,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:27,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:27,339 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:27,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:27,361 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-04-29 04:10:27,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 04:10:27,389 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-04-29 04:10:27,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 04:10:27,433 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:10:27,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:10:27,470 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:10:27,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:10:27,511 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:10:27,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:10:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:27,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206118493] [2021-04-29 04:10:27,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:27,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:10:27,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554213346] [2021-04-29 04:10:27,552 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:10:27,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:27,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:10:27,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:10:27,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:10:27,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 313 transitions, 6846 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:27,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:27,555 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:10:27,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:31,787 INFO L129 PetriNetUnfolder]: 3384/14042 cut-off events. [2021-04-29 04:10:31,787 INFO L130 PetriNetUnfolder]: For 345086/348306 co-relation queries the response was YES. [2021-04-29 04:10:32,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92225 conditions, 14042 events. 3384/14042 cut-off events. For 345086/348306 co-relation queries the response was YES. Maximal size of possible extension queue 1651. Compared 209511 event pairs, 1103 based on Foata normal form. 18/13453 useless extension candidates. Maximal degree in co-relation 92142. Up to 3723 conditions per place. [2021-04-29 04:10:32,096 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 358 selfloop transitions, 135 changer transitions 1/510 dead transitions. [2021-04-29 04:10:32,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 510 transitions, 11960 flow [2021-04-29 04:10:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:10:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:10:32,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:10:32,098 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:10:32,098 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:10:32,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:10:32,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:32,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:10:32,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:32,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:32,102 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:32,103 INFO L185 Difference]: Start difference. First operand has 194 places, 313 transitions, 6846 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:10:32,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 510 transitions, 11960 flow [2021-04-29 04:10:33,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 510 transitions, 11545 flow, removed 177 selfloop flow, removed 3 redundant places. [2021-04-29 04:10:33,793 INFO L241 Difference]: Finished difference. Result has 208 places, 370 transitions, 8389 flow [2021-04-29 04:10:33,793 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=6613, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=8389, PETRI_PLACES=208, PETRI_TRANSITIONS=370} [2021-04-29 04:10:33,793 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 150 predicate places. [2021-04-29 04:10:33,794 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:33,794 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 370 transitions, 8389 flow [2021-04-29 04:10:33,794 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 370 transitions, 8389 flow [2021-04-29 04:10:33,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 370 transitions, 8389 flow [2021-04-29 04:10:35,481 INFO L129 PetriNetUnfolder]: 0/6213 cut-off events. [2021-04-29 04:10:35,481 INFO L130 PetriNetUnfolder]: For 92947/99875 co-relation queries the response was YES. [2021-04-29 04:10:35,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23745 conditions, 6213 events. 0/6213 cut-off events. For 92947/99875 co-relation queries the response was YES. Maximal size of possible extension queue 803. Compared 108494 event pairs, 0 based on Foata normal form. 18/5844 useless extension candidates. Maximal degree in co-relation 0. Up to 657 conditions per place. [2021-04-29 04:10:35,557 INFO L146 LiptonReduction]: Number of co-enabled transitions 3170 [2021-04-29 04:10:35,593 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:35,593 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:35,593 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1799 [2021-04-29 04:10:35,594 INFO L480 AbstractCegarLoop]: Abstraction has has 207 places, 370 transitions, 8389 flow [2021-04-29 04:10:35,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:35,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:35,595 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] [2021-04-29 04:10:35,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-29 04:10:35,595 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:35,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:35,595 INFO L82 PathProgramCache]: Analyzing trace with hash 973184545, now seen corresponding path program 13 times [2021-04-29 04:10:35,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:35,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490664978] [2021-04-29 04:10:35,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:35,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:35,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:35,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:35,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:35,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:35,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:35,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:35,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:10:35,655 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:35,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:35,676 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:35,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:35,702 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-04-29 04:10:35,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 04:10:35,760 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:10:35,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:10:35,803 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:10:35,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:10:35,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:35,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490664978] [2021-04-29 04:10:35,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:35,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:10:35,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440964960] [2021-04-29 04:10:35,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:10:35,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:35,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:10:35,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:10:35,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:10:35,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 370 transitions, 8389 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:35,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:35,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:10:35,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:40,602 INFO L129 PetriNetUnfolder]: 3372/14357 cut-off events. [2021-04-29 04:10:40,602 INFO L130 PetriNetUnfolder]: For 386469/389893 co-relation queries the response was YES. [2021-04-29 04:10:40,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97436 conditions, 14357 events. 3372/14357 cut-off events. For 386469/389893 co-relation queries the response was YES. Maximal size of possible extension queue 1719. Compared 215058 event pairs, 1293 based on Foata normal form. 17/13871 useless extension candidates. Maximal degree in co-relation 97347. Up to 3379 conditions per place. [2021-04-29 04:10:40,813 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 281 selfloop transitions, 220 changer transitions 1/518 dead transitions. [2021-04-29 04:10:40,813 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 518 transitions, 12569 flow [2021-04-29 04:10:40,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:10:40,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:10:40,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:10:40,815 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:10:40,815 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:10:40,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:10:40,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:40,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:10:40,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:40,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:40,819 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:40,819 INFO L185 Difference]: Start difference. First operand has 207 places, 370 transitions, 8389 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:10:40,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 518 transitions, 12569 flow [2021-04-29 04:10:43,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 518 transitions, 12269 flow, removed 120 selfloop flow, removed 2 redundant places. [2021-04-29 04:10:43,542 INFO L241 Difference]: Finished difference. Result has 222 places, 417 transitions, 10149 flow [2021-04-29 04:10:43,543 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=8111, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=10149, PETRI_PLACES=222, PETRI_TRANSITIONS=417} [2021-04-29 04:10:43,543 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 164 predicate places. [2021-04-29 04:10:43,543 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:43,543 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 417 transitions, 10149 flow [2021-04-29 04:10:43,544 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 417 transitions, 10149 flow [2021-04-29 04:10:43,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 417 transitions, 10149 flow [2021-04-29 04:10:45,399 INFO L129 PetriNetUnfolder]: 0/6317 cut-off events. [2021-04-29 04:10:45,399 INFO L130 PetriNetUnfolder]: For 118572/129936 co-relation queries the response was YES. [2021-04-29 04:10:45,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25357 conditions, 6317 events. 0/6317 cut-off events. For 118572/129936 co-relation queries the response was YES. Maximal size of possible extension queue 785. Compared 110476 event pairs, 0 based on Foata normal form. 23/5913 useless extension candidates. Maximal degree in co-relation 0. Up to 669 conditions per place. [2021-04-29 04:10:45,463 INFO L146 LiptonReduction]: Number of co-enabled transitions 3466 [2021-04-29 04:10:45,500 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:45,500 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:45,501 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1958 [2021-04-29 04:10:45,501 INFO L480 AbstractCegarLoop]: Abstraction has has 221 places, 417 transitions, 10149 flow [2021-04-29 04:10:45,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:45,501 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:45,502 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] [2021-04-29 04:10:45,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-29 04:10:45,502 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:45,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:45,502 INFO L82 PathProgramCache]: Analyzing trace with hash -140216047, now seen corresponding path program 14 times [2021-04-29 04:10:45,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:45,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637449777] [2021-04-29 04:10:45,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:45,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:45,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:45,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:45,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:45,538 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:10:45,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:10:45,546 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:10:45,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:10:45,566 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:10:45,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:10:45,584 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:10:45,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:10:45,608 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:10:45,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:10:45,642 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-04-29 04:10:45,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 04:10:45,683 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:10:45,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:10:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:45,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637449777] [2021-04-29 04:10:45,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:45,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:10:45,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375680817] [2021-04-29 04:10:45,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:10:45,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:45,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:10:45,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:10:45,727 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:10:45,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 417 transitions, 10149 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:45,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:45,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:10:45,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:10:51,518 INFO L129 PetriNetUnfolder]: 3351/15320 cut-off events. [2021-04-29 04:10:51,519 INFO L130 PetriNetUnfolder]: For 465209/470639 co-relation queries the response was YES. [2021-04-29 04:10:51,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106863 conditions, 15320 events. 3351/15320 cut-off events. For 465209/470639 co-relation queries the response was YES. Maximal size of possible extension queue 1906. Compared 236799 event pairs, 1173 based on Foata normal form. 32/14814 useless extension candidates. Maximal degree in co-relation 106767. Up to 3088 conditions per place. [2021-04-29 04:10:51,763 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 322 selfloop transitions, 226 changer transitions 3/567 dead transitions. [2021-04-29 04:10:51,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 567 transitions, 14719 flow [2021-04-29 04:10:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:10:51,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:10:51,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:10:51,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:10:51,765 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:10:51,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:10:51,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:10:51,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:10:51,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:51,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:51,769 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:51,769 INFO L185 Difference]: Start difference. First operand has 221 places, 417 transitions, 10149 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:10:51,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 567 transitions, 14719 flow [2021-04-29 04:10:55,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 567 transitions, 14242 flow, removed 151 selfloop flow, removed 3 redundant places. [2021-04-29 04:10:55,518 INFO L241 Difference]: Finished difference. Result has 234 places, 473 transitions, 11826 flow [2021-04-29 04:10:55,518 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=9764, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=11826, PETRI_PLACES=234, PETRI_TRANSITIONS=473} [2021-04-29 04:10:55,518 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 176 predicate places. [2021-04-29 04:10:55,519 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:10:55,519 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 473 transitions, 11826 flow [2021-04-29 04:10:55,519 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 473 transitions, 11826 flow [2021-04-29 04:10:55,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 233 places, 473 transitions, 11826 flow [2021-04-29 04:10:57,365 INFO L129 PetriNetUnfolder]: 0/7073 cut-off events. [2021-04-29 04:10:57,365 INFO L130 PetriNetUnfolder]: For 142944/154061 co-relation queries the response was YES. [2021-04-29 04:10:57,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29339 conditions, 7073 events. 0/7073 cut-off events. For 142944/154061 co-relation queries the response was YES. Maximal size of possible extension queue 887. Compared 126218 event pairs, 0 based on Foata normal form. 21/6647 useless extension candidates. Maximal degree in co-relation 0. Up to 755 conditions per place. [2021-04-29 04:10:57,444 INFO L146 LiptonReduction]: Number of co-enabled transitions 3922 [2021-04-29 04:10:57,494 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:10:57,495 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:10:57,495 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1976 [2021-04-29 04:10:57,495 INFO L480 AbstractCegarLoop]: Abstraction has has 233 places, 473 transitions, 11826 flow [2021-04-29 04:10:57,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:57,496 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:10:57,496 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] [2021-04-29 04:10:57,496 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 04:10:57,496 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:10:57,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:10:57,497 INFO L82 PathProgramCache]: Analyzing trace with hash 2073138335, now seen corresponding path program 15 times [2021-04-29 04:10:57,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:10:57,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912780259] [2021-04-29 04:10:57,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:10:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:10:57,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:57,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:10:57,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:57,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:10:57,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:10:57,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:10:57,546 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:10:57,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:10:57,570 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:10:57,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:10:57,600 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:10:57,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:10:57,628 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:10:57,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:10:57,668 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:10:57,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:10:57,716 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:10:57,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:10:57,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:10:57,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912780259] [2021-04-29 04:10:57,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:10:57,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:10:57,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455236534] [2021-04-29 04:10:57,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:10:57,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:10:57,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:10:57,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:10:57,758 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:10:57,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 473 transitions, 11826 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:10:57,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:10:57,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:10:57,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:04,026 INFO L129 PetriNetUnfolder]: 3331/16011 cut-off events. [2021-04-29 04:11:04,026 INFO L130 PetriNetUnfolder]: For 519557/524474 co-relation queries the response was YES. [2021-04-29 04:11:04,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114228 conditions, 16011 events. 3331/16011 cut-off events. For 519557/524474 co-relation queries the response was YES. Maximal size of possible extension queue 1935. Compared 253021 event pairs, 1215 based on Foata normal form. 30/15390 useless extension candidates. Maximal degree in co-relation 114126. Up to 3459 conditions per place. [2021-04-29 04:11:04,291 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 409 selfloop transitions, 265 changer transitions 1/691 dead transitions. [2021-04-29 04:11:04,291 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 691 transitions, 18172 flow [2021-04-29 04:11:04,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:11:04,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:11:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:11:04,293 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:11:04,293 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:11:04,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:11:04,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:04,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:11:04,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:04,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:04,297 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:04,297 INFO L185 Difference]: Start difference. First operand has 233 places, 473 transitions, 11826 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:11:04,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 691 transitions, 18172 flow [2021-04-29 04:11:08,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 691 transitions, 17439 flow, removed 220 selfloop flow, removed 4 redundant places. [2021-04-29 04:11:08,405 INFO L241 Difference]: Finished difference. Result has 245 places, 539 transitions, 13831 flow [2021-04-29 04:11:08,405 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=11327, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=199, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=13831, PETRI_PLACES=245, PETRI_TRANSITIONS=539} [2021-04-29 04:11:08,406 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 187 predicate places. [2021-04-29 04:11:08,406 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:08,406 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 539 transitions, 13831 flow [2021-04-29 04:11:08,406 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 539 transitions, 13831 flow [2021-04-29 04:11:08,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 244 places, 539 transitions, 13831 flow [2021-04-29 04:11:10,337 INFO L129 PetriNetUnfolder]: 0/7937 cut-off events. [2021-04-29 04:11:10,337 INFO L130 PetriNetUnfolder]: For 167909/179930 co-relation queries the response was YES. [2021-04-29 04:11:10,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33890 conditions, 7937 events. 0/7937 cut-off events. For 167909/179930 co-relation queries the response was YES. Maximal size of possible extension queue 1011. Compared 144276 event pairs, 0 based on Foata normal form. 43/7499 useless extension candidates. Maximal degree in co-relation 0. Up to 840 conditions per place. [2021-04-29 04:11:10,691 INFO L146 LiptonReduction]: Number of co-enabled transitions 4320 [2021-04-29 04:11:10,755 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:10,755 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:10,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2349 [2021-04-29 04:11:10,756 INFO L480 AbstractCegarLoop]: Abstraction has has 244 places, 539 transitions, 13831 flow [2021-04-29 04:11:10,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:10,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:10,756 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] [2021-04-29 04:11:10,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-29 04:11:10,757 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:10,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:10,757 INFO L82 PathProgramCache]: Analyzing trace with hash 829294615, now seen corresponding path program 16 times [2021-04-29 04:11:10,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:10,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112527108] [2021-04-29 04:11:10,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:10,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:10,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:10,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:10,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:10,794 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:11:10,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:11:10,803 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:11:10,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:11:10,816 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:11:10,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:11:10,836 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:10,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:10,862 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-04-29 04:11:10,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 04:11:10,918 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:11:10,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:11:10,957 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:11:10,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:11:10,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:10,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112527108] [2021-04-29 04:11:10,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:10,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:11:10,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481847589] [2021-04-29 04:11:10,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:11:10,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:10,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:11:10,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:11:10,999 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:11:11,000 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 539 transitions, 13831 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:11,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:11,000 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:11:11,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:18,484 INFO L129 PetriNetUnfolder]: 3308/16482 cut-off events. [2021-04-29 04:11:18,484 INFO L130 PetriNetUnfolder]: For 561269/565969 co-relation queries the response was YES. [2021-04-29 04:11:18,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118479 conditions, 16482 events. 3308/16482 cut-off events. For 561269/565969 co-relation queries the response was YES. Maximal size of possible extension queue 2052. Compared 263600 event pairs, 1250 based on Foata normal form. 44/15914 useless extension candidates. Maximal degree in co-relation 118372. Up to 3088 conditions per place. [2021-04-29 04:11:18,757 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 264 selfloop transitions, 365 changer transitions 2/647 dead transitions. [2021-04-29 04:11:18,757 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 647 transitions, 17977 flow [2021-04-29 04:11:18,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:11:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:11:18,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:11:18,758 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:11:18,758 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:11:18,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:11:18,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:18,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:11:18,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:18,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:18,762 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:18,762 INFO L185 Difference]: Start difference. First operand has 244 places, 539 transitions, 13831 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:11:18,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 647 transitions, 17977 flow [2021-04-29 04:11:23,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 647 transitions, 17367 flow, removed 171 selfloop flow, removed 3 redundant places. [2021-04-29 04:11:23,699 INFO L241 Difference]: Finished difference. Result has 257 places, 575 transitions, 15641 flow [2021-04-29 04:11:23,699 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=13335, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=329, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=15641, PETRI_PLACES=257, PETRI_TRANSITIONS=575} [2021-04-29 04:11:23,699 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 199 predicate places. [2021-04-29 04:11:23,700 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:23,700 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 257 places, 575 transitions, 15641 flow [2021-04-29 04:11:23,700 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 257 places, 575 transitions, 15641 flow [2021-04-29 04:11:23,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 256 places, 575 transitions, 15641 flow [2021-04-29 04:11:25,936 INFO L129 PetriNetUnfolder]: 0/8206 cut-off events. [2021-04-29 04:11:25,936 INFO L130 PetriNetUnfolder]: For 189240/201053 co-relation queries the response was YES. [2021-04-29 04:11:25,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36744 conditions, 8206 events. 0/8206 cut-off events. For 189240/201053 co-relation queries the response was YES. Maximal size of possible extension queue 1042. Compared 149841 event pairs, 0 based on Foata normal form. 38/7738 useless extension candidates. Maximal degree in co-relation 0. Up to 873 conditions per place. [2021-04-29 04:11:26,040 INFO L146 LiptonReduction]: Number of co-enabled transitions 4682 [2021-04-29 04:11:26,110 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:26,110 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:26,110 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2410 [2021-04-29 04:11:26,111 INFO L480 AbstractCegarLoop]: Abstraction has has 256 places, 575 transitions, 15641 flow [2021-04-29 04:11:26,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:26,112 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:26,112 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] [2021-04-29 04:11:26,112 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-29 04:11:26,112 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:26,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:26,112 INFO L82 PathProgramCache]: Analyzing trace with hash 819877237, now seen corresponding path program 17 times [2021-04-29 04:11:26,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:26,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347979010] [2021-04-29 04:11:26,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:26,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:26,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:26,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:26,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:26,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:26,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:11:26,156 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:11:26,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:11:26,169 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:11:26,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:11:26,196 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:11:26,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:11:26,223 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:11:26,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:11:26,256 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:11:26,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:11:26,297 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:11:26,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:11:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:26,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347979010] [2021-04-29 04:11:26,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:26,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:11:26,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703965657] [2021-04-29 04:11:26,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:11:26,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:26,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:11:26,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:11:26,342 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:11:26,343 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 575 transitions, 15641 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:26,343 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:26,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:11:26,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:35,546 INFO L129 PetriNetUnfolder]: 3429/19265 cut-off events. [2021-04-29 04:11:35,546 INFO L130 PetriNetUnfolder]: For 662777/668097 co-relation queries the response was YES. [2021-04-29 04:11:35,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137456 conditions, 19265 events. 3429/19265 cut-off events. For 662777/668097 co-relation queries the response was YES. Maximal size of possible extension queue 2409. Compared 324775 event pairs, 1478 based on Foata normal form. 41/18524 useless extension candidates. Maximal degree in co-relation 137343. Up to 3761 conditions per place. [2021-04-29 04:11:35,896 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 426 selfloop transitions, 337 changer transitions 1/780 dead transitions. [2021-04-29 04:11:35,896 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 780 transitions, 22393 flow [2021-04-29 04:11:35,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:11:35,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:11:35,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:11:35,898 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:11:35,898 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:11:35,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:11:35,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:35,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:11:35,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:35,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:35,901 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:35,901 INFO L185 Difference]: Start difference. First operand has 256 places, 575 transitions, 15641 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:11:35,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 780 transitions, 22393 flow [2021-04-29 04:11:43,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 780 transitions, 21789 flow, removed 156 selfloop flow, removed 3 redundant places. [2021-04-29 04:11:43,755 INFO L241 Difference]: Finished difference. Result has 269 places, 648 transitions, 18447 flow [2021-04-29 04:11:43,756 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=15155, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=264, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=18447, PETRI_PLACES=269, PETRI_TRANSITIONS=648} [2021-04-29 04:11:43,756 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 211 predicate places. [2021-04-29 04:11:43,756 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:11:43,756 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 648 transitions, 18447 flow [2021-04-29 04:11:43,757 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 648 transitions, 18447 flow [2021-04-29 04:11:43,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 268 places, 648 transitions, 18447 flow [2021-04-29 04:11:47,361 INFO L129 PetriNetUnfolder]: 0/10453 cut-off events. [2021-04-29 04:11:47,362 INFO L130 PetriNetUnfolder]: For 280660/293697 co-relation queries the response was YES. [2021-04-29 04:11:47,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49891 conditions, 10453 events. 0/10453 cut-off events. For 280660/293697 co-relation queries the response was YES. Maximal size of possible extension queue 1328. Compared 197615 event pairs, 0 based on Foata normal form. 10/9919 useless extension candidates. Maximal degree in co-relation 0. Up to 1102 conditions per place. [2021-04-29 04:11:47,480 INFO L146 LiptonReduction]: Number of co-enabled transitions 4946 [2021-04-29 04:11:47,563 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:11:47,563 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:11:47,563 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3807 [2021-04-29 04:11:47,564 INFO L480 AbstractCegarLoop]: Abstraction has has 268 places, 648 transitions, 18447 flow [2021-04-29 04:11:47,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:47,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:11:47,565 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] [2021-04-29 04:11:47,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-29 04:11:47,565 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:11:47,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:11:47,565 INFO L82 PathProgramCache]: Analyzing trace with hash -8857983, now seen corresponding path program 18 times [2021-04-29 04:11:47,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:11:47,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574911679] [2021-04-29 04:11:47,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:11:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:11:47,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:47,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:11:47,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:11:47,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:11:47,605 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:11:47,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:11:47,613 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:11:47,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:11:47,629 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:11:47,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:11:47,649 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:11:47,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:11:47,676 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:11:47,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:11:47,713 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-04-29 04:11:47,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 04:11:47,770 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:11:47,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:11:47,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:11:47,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574911679] [2021-04-29 04:11:47,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:11:47,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:11:47,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54662123] [2021-04-29 04:11:47,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:11:47,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:11:47,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:11:47,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:11:47,811 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:11:47,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 648 transitions, 18447 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:47,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:11:47,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:11:47,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:11:57,963 INFO L129 PetriNetUnfolder]: 3445/19008 cut-off events. [2021-04-29 04:11:57,963 INFO L130 PetriNetUnfolder]: For 668735/674063 co-relation queries the response was YES. [2021-04-29 04:11:58,254 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137169 conditions, 19008 events. 3445/19008 cut-off events. For 668735/674063 co-relation queries the response was YES. Maximal size of possible extension queue 2432. Compared 318247 event pairs, 1492 based on Foata normal form. 50/18295 useless extension candidates. Maximal degree in co-relation 137050. Up to 3088 conditions per place. [2021-04-29 04:11:58,321 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 159 selfloop transitions, 535 changer transitions 1/711 dead transitions. [2021-04-29 04:11:58,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 711 transitions, 21525 flow [2021-04-29 04:11:58,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:11:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:11:58,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:11:58,323 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:11:58,323 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:11:58,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:11:58,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:11:58,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:11:58,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:58,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:58,326 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:11:58,326 INFO L185 Difference]: Start difference. First operand has 268 places, 648 transitions, 18447 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:11:58,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 711 transitions, 21525 flow [2021-04-29 04:12:05,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 711 transitions, 20909 flow, removed 174 selfloop flow, removed 3 redundant places. [2021-04-29 04:12:05,626 INFO L241 Difference]: Finished difference. Result has 280 places, 663 transitions, 19912 flow [2021-04-29 04:12:05,627 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=17885, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=648, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=520, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=19912, PETRI_PLACES=280, PETRI_TRANSITIONS=663} [2021-04-29 04:12:05,627 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 222 predicate places. [2021-04-29 04:12:05,627 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:05,628 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 280 places, 663 transitions, 19912 flow [2021-04-29 04:12:05,628 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 280 places, 663 transitions, 19912 flow [2021-04-29 04:12:05,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 279 places, 663 transitions, 19912 flow [2021-04-29 04:12:09,027 INFO L129 PetriNetUnfolder]: 0/10561 cut-off events. [2021-04-29 04:12:09,028 INFO L130 PetriNetUnfolder]: For 302647/315963 co-relation queries the response was YES. [2021-04-29 04:12:09,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51428 conditions, 10561 events. 0/10561 cut-off events. For 302647/315963 co-relation queries the response was YES. Maximal size of possible extension queue 1331. Compared 199846 event pairs, 0 based on Foata normal form. 8/10006 useless extension candidates. Maximal degree in co-relation 0. Up to 1116 conditions per place. [2021-04-29 04:12:09,148 INFO L146 LiptonReduction]: Number of co-enabled transitions 5110 [2021-04-29 04:12:09,234 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:09,234 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:09,234 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3607 [2021-04-29 04:12:09,235 INFO L480 AbstractCegarLoop]: Abstraction has has 279 places, 663 transitions, 19912 flow [2021-04-29 04:12:09,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:09,236 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:09,236 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] [2021-04-29 04:12:09,236 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-04-29 04:12:09,236 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:09,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:09,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1847027993, now seen corresponding path program 19 times [2021-04-29 04:12:09,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:09,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795353765] [2021-04-29 04:12:09,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:09,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:09,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:09,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:09,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:09,269 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:12:09,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:12:09,277 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:12:09,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:12:09,290 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:12:09,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:12:09,318 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-04-29 04:12:09,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 04:12:09,345 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:12:09,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:12:09,381 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-04-29 04:12:09,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 04:12:09,423 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:12:09,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:12:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:09,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795353765] [2021-04-29 04:12:09,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:09,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:12:09,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72687834] [2021-04-29 04:12:09,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:12:09,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:09,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:12:09,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:12:09,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:12:09,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 663 transitions, 19912 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:09,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:09,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:12:09,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:19,673 INFO L129 PetriNetUnfolder]: 3411/19430 cut-off events. [2021-04-29 04:12:19,674 INFO L130 PetriNetUnfolder]: For 707364/711285 co-relation queries the response was YES. [2021-04-29 04:12:19,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140604 conditions, 19430 events. 3411/19430 cut-off events. For 707364/711285 co-relation queries the response was YES. Maximal size of possible extension queue 2434. Compared 328875 event pairs, 2093 based on Foata normal form. 44/18681 useless extension candidates. Maximal degree in co-relation 140480. Up to 3950 conditions per place. [2021-04-29 04:12:20,073 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 360 selfloop transitions, 415 changer transitions 2/793 dead transitions. [2021-04-29 04:12:20,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 793 transitions, 25098 flow [2021-04-29 04:12:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:12:20,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:12:20,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:12:20,076 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:12:20,076 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:12:20,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:12:20,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:20,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:12:20,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:20,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:20,079 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:20,079 INFO L185 Difference]: Start difference. First operand has 279 places, 663 transitions, 19912 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:12:20,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 793 transitions, 25098 flow [2021-04-29 04:12:27,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 793 transitions, 24249 flow, removed 73 selfloop flow, removed 4 redundant places. [2021-04-29 04:12:27,823 INFO L241 Difference]: Finished difference. Result has 291 places, 704 transitions, 21883 flow [2021-04-29 04:12:27,824 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=19191, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=663, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=374, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=21883, PETRI_PLACES=291, PETRI_TRANSITIONS=704} [2021-04-29 04:12:27,824 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 233 predicate places. [2021-04-29 04:12:27,824 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:27,824 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 291 places, 704 transitions, 21883 flow [2021-04-29 04:12:27,824 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 291 places, 704 transitions, 21883 flow [2021-04-29 04:12:27,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 290 places, 704 transitions, 21883 flow [2021-04-29 04:12:31,378 INFO L129 PetriNetUnfolder]: 0/10963 cut-off events. [2021-04-29 04:12:31,378 INFO L130 PetriNetUnfolder]: For 342450/359560 co-relation queries the response was YES. [2021-04-29 04:12:31,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54810 conditions, 10963 events. 0/10963 cut-off events. For 342450/359560 co-relation queries the response was YES. Maximal size of possible extension queue 1388. Compared 208963 event pairs, 0 based on Foata normal form. 14/10399 useless extension candidates. Maximal degree in co-relation 0. Up to 1161 conditions per place. [2021-04-29 04:12:31,519 INFO L146 LiptonReduction]: Number of co-enabled transitions 5342 [2021-04-29 04:12:31,625 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:12:31,625 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:12:31,625 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3801 [2021-04-29 04:12:31,626 INFO L480 AbstractCegarLoop]: Abstraction has has 290 places, 704 transitions, 21883 flow [2021-04-29 04:12:31,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:31,626 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:12:31,626 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] [2021-04-29 04:12:31,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-04-29 04:12:31,627 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:12:31,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:12:31,627 INFO L82 PathProgramCache]: Analyzing trace with hash -997774045, now seen corresponding path program 20 times [2021-04-29 04:12:31,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:12:31,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967299525] [2021-04-29 04:12:31,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:12:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:12:31,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:31,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:12:31,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:31,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:12:31,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:31,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:12:31,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:12:31,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:12:31,676 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:12:31,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:12:31,692 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:12:31,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:12:31,724 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-04-29 04:12:31,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 04:12:31,778 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:12:31,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:12:31,822 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:12:31,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:12:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:12:31,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967299525] [2021-04-29 04:12:31,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:12:31,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:12:31,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220093633] [2021-04-29 04:12:31,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:12:31,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:12:31,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:12:31,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:12:31,865 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:12:31,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 704 transitions, 21883 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:31,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:12:31,866 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:12:31,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:12:45,084 INFO L129 PetriNetUnfolder]: 3496/23159 cut-off events. [2021-04-29 04:12:45,084 INFO L130 PetriNetUnfolder]: For 844590/849909 co-relation queries the response was YES. [2021-04-29 04:12:45,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164365 conditions, 23159 events. 3496/23159 cut-off events. For 844590/849909 co-relation queries the response was YES. Maximal size of possible extension queue 2923. Compared 414474 event pairs, 1214 based on Foata normal form. 20/22253 useless extension candidates. Maximal degree in co-relation 164235. Up to 4209 conditions per place. [2021-04-29 04:12:45,572 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 701 selfloop transitions, 244 changer transitions 1/962 dead transitions. [2021-04-29 04:12:45,572 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 962 transitions, 31873 flow [2021-04-29 04:12:45,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:12:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:12:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:12:45,574 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:12:45,574 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:12:45,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:12:45,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:12:45,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:12:45,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:45,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:45,576 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:12:45,576 INFO L185 Difference]: Start difference. First operand has 290 places, 704 transitions, 21883 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:12:45,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 962 transitions, 31873 flow [2021-04-29 04:12:57,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 962 transitions, 31082 flow, removed 210 selfloop flow, removed 4 redundant places. [2021-04-29 04:12:57,518 INFO L241 Difference]: Finished difference. Result has 302 places, 802 transitions, 25365 flow [2021-04-29 04:12:57,519 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=21312, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=25365, PETRI_PLACES=302, PETRI_TRANSITIONS=802} [2021-04-29 04:12:57,519 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 244 predicate places. [2021-04-29 04:12:57,519 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:12:57,520 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 302 places, 802 transitions, 25365 flow [2021-04-29 04:12:57,520 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 302 places, 802 transitions, 25365 flow [2021-04-29 04:12:57,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 301 places, 802 transitions, 25365 flow [2021-04-29 04:13:02,784 INFO L129 PetriNetUnfolder]: 0/13798 cut-off events. [2021-04-29 04:13:02,784 INFO L130 PetriNetUnfolder]: For 432045/448527 co-relation queries the response was YES. [2021-04-29 04:13:02,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71328 conditions, 13798 events. 0/13798 cut-off events. For 432045/448527 co-relation queries the response was YES. Maximal size of possible extension queue 1761. Compared 273256 event pairs, 0 based on Foata normal form. 38/12990 useless extension candidates. Maximal degree in co-relation 0. Up to 1456 conditions per place. [2021-04-29 04:13:02,951 INFO L146 LiptonReduction]: Number of co-enabled transitions 5782 [2021-04-29 04:13:03,088 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:03,089 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:03,089 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5570 [2021-04-29 04:13:03,090 INFO L480 AbstractCegarLoop]: Abstraction has has 301 places, 802 transitions, 25365 flow [2021-04-29 04:13:03,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:03,090 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:03,090 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] [2021-04-29 04:13:03,090 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-04-29 04:13:03,090 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:03,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:03,091 INFO L82 PathProgramCache]: Analyzing trace with hash 769734099, now seen corresponding path program 21 times [2021-04-29 04:13:03,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:03,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907831640] [2021-04-29 04:13:03,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:03,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:03,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:03,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:03,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:03,132 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:13:03,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:13:03,141 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:13:03,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:13:03,154 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:13:03,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:13:03,174 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:13:03,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:13:03,211 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-04-29 04:13:03,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 04:13:03,248 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-04-29 04:13:03,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 04:13:03,300 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:13:03,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:13:03,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:03,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907831640] [2021-04-29 04:13:03,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:03,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:13:03,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655268610] [2021-04-29 04:13:03,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:13:03,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:03,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:13:03,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:13:03,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:13:03,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 802 transitions, 25365 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:03,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:03,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:13:03,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:17,115 INFO L129 PetriNetUnfolder]: 3489/23243 cut-off events. [2021-04-29 04:13:17,116 INFO L130 PetriNetUnfolder]: For 863043/869444 co-relation queries the response was YES. [2021-04-29 04:13:17,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 166618 conditions, 23243 events. 3489/23243 cut-off events. For 863043/869444 co-relation queries the response was YES. Maximal size of possible extension queue 2938. Compared 416451 event pairs, 1570 based on Foata normal form. 47/22338 useless extension candidates. Maximal degree in co-relation 166483. Up to 4534 conditions per place. [2021-04-29 04:13:17,621 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 377 selfloop transitions, 519 changer transitions 2/914 dead transitions. [2021-04-29 04:13:17,621 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 914 transitions, 30397 flow [2021-04-29 04:13:17,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:13:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:13:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:13:17,623 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:13:17,623 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:13:17,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:13:17,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:17,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:13:17,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:17,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:17,626 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:17,626 INFO L185 Difference]: Start difference. First operand has 301 places, 802 transitions, 25365 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:13:17,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 914 transitions, 30397 flow [2021-04-29 04:13:29,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 914 transitions, 29716 flow, removed 251 selfloop flow, removed 3 redundant places. [2021-04-29 04:13:29,525 INFO L241 Difference]: Finished difference. Result has 313 places, 869 transitions, 28352 flow [2021-04-29 04:13:29,526 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=24886, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=802, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=452, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=28352, PETRI_PLACES=313, PETRI_TRANSITIONS=869} [2021-04-29 04:13:29,526 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 255 predicate places. [2021-04-29 04:13:29,526 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:13:29,526 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 313 places, 869 transitions, 28352 flow [2021-04-29 04:13:29,526 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 313 places, 869 transitions, 28352 flow [2021-04-29 04:13:29,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 312 places, 869 transitions, 28352 flow [2021-04-29 04:13:34,586 INFO L129 PetriNetUnfolder]: 0/13848 cut-off events. [2021-04-29 04:13:34,586 INFO L130 PetriNetUnfolder]: For 447737/458927 co-relation queries the response was YES. [2021-04-29 04:13:34,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73418 conditions, 13848 events. 0/13848 cut-off events. For 447737/458927 co-relation queries the response was YES. Maximal size of possible extension queue 1771. Compared 274395 event pairs, 0 based on Foata normal form. 62/13069 useless extension candidates. Maximal degree in co-relation 0. Up to 1463 conditions per place. [2021-04-29 04:13:34,751 INFO L146 LiptonReduction]: Number of co-enabled transitions 6272 [2021-04-29 04:13:34,906 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:13:34,907 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:13:34,907 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5381 [2021-04-29 04:13:34,907 INFO L480 AbstractCegarLoop]: Abstraction has has 312 places, 869 transitions, 28352 flow [2021-04-29 04:13:34,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:34,908 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:13:34,908 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] [2021-04-29 04:13:34,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-04-29 04:13:34,908 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:13:34,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:13:34,909 INFO L82 PathProgramCache]: Analyzing trace with hash -970690553, now seen corresponding path program 22 times [2021-04-29 04:13:34,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:13:34,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403984855] [2021-04-29 04:13:34,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:13:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:13:34,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:34,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:13:34,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:34,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:13:34,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:34,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:13:34,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:13:34,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:13:34,963 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:13:34,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:13:34,981 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:13:34,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:13:35,005 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-04-29 04:13:35,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 04:13:35,054 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:13:35,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:13:35,097 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:13:35,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:13:35,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:13:35,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403984855] [2021-04-29 04:13:35,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:13:35,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:13:35,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957556918] [2021-04-29 04:13:35,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:13:35,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:13:35,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:13:35,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:13:35,145 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:13:35,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 869 transitions, 28352 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:35,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:13:35,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:13:35,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:13:49,602 INFO L129 PetriNetUnfolder]: 3484/23001 cut-off events. [2021-04-29 04:13:49,602 INFO L130 PetriNetUnfolder]: For 910262/916032 co-relation queries the response was YES. [2021-04-29 04:13:50,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169684 conditions, 23001 events. 3484/23001 cut-off events. For 910262/916032 co-relation queries the response was YES. Maximal size of possible extension queue 2889. Compared 411946 event pairs, 1115 based on Foata normal form. 31/22056 useless extension candidates. Maximal degree in co-relation 169544. Up to 4710 conditions per place. [2021-04-29 04:13:50,167 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 873 selfloop transitions, 259 changer transitions 2/1150 dead transitions. [2021-04-29 04:13:50,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 1150 transitions, 39934 flow [2021-04-29 04:13:50,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:13:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:13:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:13:50,169 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:13:50,169 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:13:50,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:13:50,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:13:50,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:13:50,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:50,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:50,172 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:13:50,172 INFO L185 Difference]: Start difference. First operand has 312 places, 869 transitions, 28352 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:13:50,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 1150 transitions, 39934 flow [2021-04-29 04:14:03,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 1150 transitions, 38469 flow, removed 299 selfloop flow, removed 5 redundant places. [2021-04-29 04:14:03,895 INFO L241 Difference]: Finished difference. Result has 323 places, 966 transitions, 31548 flow [2021-04-29 04:14:03,896 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=27353, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=869, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=610, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=31548, PETRI_PLACES=323, PETRI_TRANSITIONS=966} [2021-04-29 04:14:03,896 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 265 predicate places. [2021-04-29 04:14:03,896 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:03,897 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 966 transitions, 31548 flow [2021-04-29 04:14:03,897 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 966 transitions, 31548 flow [2021-04-29 04:14:03,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 322 places, 966 transitions, 31548 flow [2021-04-29 04:14:08,560 INFO L129 PetriNetUnfolder]: 0/13876 cut-off events. [2021-04-29 04:14:08,560 INFO L130 PetriNetUnfolder]: For 474921/493836 co-relation queries the response was YES. [2021-04-29 04:14:08,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74246 conditions, 13876 events. 0/13876 cut-off events. For 474921/493836 co-relation queries the response was YES. Maximal size of possible extension queue 1795. Compared 275075 event pairs, 0 based on Foata normal form. 65/13131 useless extension candidates. Maximal degree in co-relation 0. Up to 1467 conditions per place. [2021-04-29 04:14:08,744 INFO L146 LiptonReduction]: Number of co-enabled transitions 6912 [2021-04-29 04:14:08,931 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:08,931 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:08,931 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5035 [2021-04-29 04:14:08,932 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 966 transitions, 31548 flow [2021-04-29 04:14:08,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:08,932 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:08,933 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] [2021-04-29 04:14:08,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-04-29 04:14:08,933 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:08,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:08,933 INFO L82 PathProgramCache]: Analyzing trace with hash -937374347, now seen corresponding path program 23 times [2021-04-29 04:14:08,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:08,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149023610] [2021-04-29 04:14:08,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:08,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:08,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:08,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:08,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:08,972 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:14:08,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:14:08,987 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:14:08,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:14:08,999 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:14:09,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:14:09,023 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:14:09,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:14:09,073 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-04-29 04:14:09,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 04:14:09,137 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:14:09,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:14:09,188 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:14:09,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:14:09,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:09,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149023610] [2021-04-29 04:14:09,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:09,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:14:09,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392708314] [2021-04-29 04:14:09,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:14:09,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:09,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:14:09,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:14:09,227 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:14:09,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 966 transitions, 31548 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:09,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:09,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:14:09,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:14:25,101 INFO L129 PetriNetUnfolder]: 3455/23223 cut-off events. [2021-04-29 04:14:25,102 INFO L130 PetriNetUnfolder]: For 950142/954857 co-relation queries the response was YES. [2021-04-29 04:14:25,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172260 conditions, 23223 events. 3455/23223 cut-off events. For 950142/954857 co-relation queries the response was YES. Maximal size of possible extension queue 2938. Compared 416927 event pairs, 2244 based on Foata normal form. 88/22347 useless extension candidates. Maximal degree in co-relation 172115. Up to 3361 conditions per place. [2021-04-29 04:14:25,685 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 369 selfloop transitions, 686 changer transitions 2/1073 dead transitions. [2021-04-29 04:14:25,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 1073 transitions, 36931 flow [2021-04-29 04:14:25,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:14:25,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:14:25,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:14:25,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:14:25,687 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:14:25,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:14:25,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:14:25,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:14:25,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:25,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:25,690 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:25,690 INFO L185 Difference]: Start difference. First operand has 322 places, 966 transitions, 31548 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:14:25,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 1073 transitions, 36931 flow [2021-04-29 04:14:39,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 1073 transitions, 36081 flow, removed 334 selfloop flow, removed 3 redundant places. [2021-04-29 04:14:39,062 INFO L241 Difference]: Finished difference. Result has 333 places, 988 transitions, 33025 flow [2021-04-29 04:14:39,063 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=30803, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=966, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=664, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=33025, PETRI_PLACES=333, PETRI_TRANSITIONS=988} [2021-04-29 04:14:39,063 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 275 predicate places. [2021-04-29 04:14:39,063 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:14:39,063 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 988 transitions, 33025 flow [2021-04-29 04:14:39,064 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 988 transitions, 33025 flow [2021-04-29 04:14:39,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 332 places, 988 transitions, 33025 flow [2021-04-29 04:14:43,896 INFO L129 PetriNetUnfolder]: 0/14176 cut-off events. [2021-04-29 04:14:43,896 INFO L130 PetriNetUnfolder]: For 490216/506223 co-relation queries the response was YES. [2021-04-29 04:14:43,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77692 conditions, 14176 events. 0/14176 cut-off events. For 490216/506223 co-relation queries the response was YES. Maximal size of possible extension queue 1825. Compared 281969 event pairs, 0 based on Foata normal form. 42/13361 useless extension candidates. Maximal degree in co-relation 0. Up to 1507 conditions per place. [2021-04-29 04:14:44,079 INFO L146 LiptonReduction]: Number of co-enabled transitions 7170 [2021-04-29 04:14:44,282 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:14:44,282 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:14:44,282 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5219 [2021-04-29 04:14:44,283 INFO L480 AbstractCegarLoop]: Abstraction has has 332 places, 988 transitions, 33025 flow [2021-04-29 04:14:44,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:44,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:14:44,283 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] [2021-04-29 04:14:44,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-04-29 04:14:44,284 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:14:44,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:14:44,284 INFO L82 PathProgramCache]: Analyzing trace with hash -2072160017, now seen corresponding path program 24 times [2021-04-29 04:14:44,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:14:44,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562994308] [2021-04-29 04:14:44,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:14:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:14:44,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:44,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:14:44,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:44,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:14:44,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:44,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:14:44,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:14:44,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 04:14:44,332 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:14:44,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:14:44,349 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:14:44,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:14:44,373 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:14:44,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:14:44,406 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:14:44,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:14:44,453 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:14:44,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:14:44,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:14:44,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562994308] [2021-04-29 04:14:44,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:14:44,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:14:44,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960354393] [2021-04-29 04:14:44,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:14:44,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:14:44,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:14:44,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:14:44,500 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:14:44,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 988 transitions, 33025 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:14:44,501 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:14:44,501 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:14:44,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:15:09,298 INFO L129 PetriNetUnfolder]: 3761/32591 cut-off events. [2021-04-29 04:15:09,298 INFO L130 PetriNetUnfolder]: For 1386877/1393240 co-relation queries the response was YES. [2021-04-29 04:15:10,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247514 conditions, 32591 events. 3761/32591 cut-off events. For 1386877/1393240 co-relation queries the response was YES. Maximal size of possible extension queue 4332. Compared 632694 event pairs, 1234 based on Foata normal form. 37/31323 useless extension candidates. Maximal degree in co-relation 247365. Up to 6714 conditions per place. [2021-04-29 04:15:10,171 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 1579 selfloop transitions, 397 changer transitions 2/1994 dead transitions. [2021-04-29 04:15:10,171 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 1994 transitions, 71293 flow [2021-04-29 04:15:10,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:15:10,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:15:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:15:10,173 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:15:10,173 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:15:10,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:15:10,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:15:10,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:15:10,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:10,176 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:10,177 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:10,177 INFO L185 Difference]: Start difference. First operand has 332 places, 988 transitions, 33025 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:15:10,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 1994 transitions, 71293 flow [2021-04-29 04:15:38,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 1994 transitions, 69207 flow, removed 130 selfloop flow, removed 5 redundant places. [2021-04-29 04:15:38,850 INFO L241 Difference]: Finished difference. Result has 344 places, 1302 transitions, 44616 flow [2021-04-29 04:15:38,851 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=31926, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=988, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=44616, PETRI_PLACES=344, PETRI_TRANSITIONS=1302} [2021-04-29 04:15:38,852 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 286 predicate places. [2021-04-29 04:15:38,852 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:15:38,852 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 344 places, 1302 transitions, 44616 flow [2021-04-29 04:15:38,852 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 344 places, 1302 transitions, 44616 flow [2021-04-29 04:15:38,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 343 places, 1302 transitions, 44616 flow [2021-04-29 04:15:50,060 INFO L129 PetriNetUnfolder]: 0/25015 cut-off events. [2021-04-29 04:15:50,060 INFO L130 PetriNetUnfolder]: For 880039/890702 co-relation queries the response was YES. [2021-04-29 04:15:50,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139959 conditions, 25015 events. 0/25015 cut-off events. For 880039/890702 co-relation queries the response was YES. Maximal size of possible extension queue 3435. Compared 538753 event pairs, 0 based on Foata normal form. 210/23680 useless extension candidates. Maximal degree in co-relation 0. Up to 2672 conditions per place. [2021-04-29 04:15:50,423 INFO L146 LiptonReduction]: Number of co-enabled transitions 8296 [2021-04-29 04:15:50,794 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:15:50,794 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:15:50,794 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11942 [2021-04-29 04:15:50,794 INFO L480 AbstractCegarLoop]: Abstraction has has 343 places, 1302 transitions, 44616 flow [2021-04-29 04:15:50,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:50,795 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:15:50,795 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] [2021-04-29 04:15:50,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-04-29 04:15:50,795 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:15:50,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:15:50,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1034706525, now seen corresponding path program 25 times [2021-04-29 04:15:50,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:15:50,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963508280] [2021-04-29 04:15:50,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:15:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:15:50,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:50,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:15:50,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:50,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:15:50,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:15:50,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 04:15:50,832 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:15:50,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:15:50,845 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:15:50,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:15:50,863 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:15:50,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:15:50,888 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:15:50,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:15:50,923 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-04-29 04:15:50,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 04:15:50,970 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:15:50,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:15:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:15:51,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963508280] [2021-04-29 04:15:51,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:15:51,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:15:51,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062318757] [2021-04-29 04:15:51,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:15:51,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:15:51,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:15:51,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:15:51,013 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:15:51,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 1302 transitions, 44616 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:15:51,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:15:51,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:15:51,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:16:23,799 INFO L129 PetriNetUnfolder]: 3859/36671 cut-off events. [2021-04-29 04:16:23,800 INFO L130 PetriNetUnfolder]: For 1538895/1546623 co-relation queries the response was YES. [2021-04-29 04:16:24,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 272544 conditions, 36671 events. 3859/36671 cut-off events. For 1538895/1546623 co-relation queries the response was YES. Maximal size of possible extension queue 4788. Compared 735197 event pairs, 1866 based on Foata normal form. 60/35276 useless extension candidates. Maximal degree in co-relation 272389. Up to 7697 conditions per place. [2021-04-29 04:16:24,815 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 771 selfloop transitions, 745 changer transitions 2/1534 dead transitions. [2021-04-29 04:16:24,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 1534 transitions, 55761 flow [2021-04-29 04:16:24,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:16:24,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:16:24,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:16:24,816 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:16:24,816 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:16:24,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:16:24,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:16:24,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:16:24,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:24,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:24,819 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:16:24,819 INFO L185 Difference]: Start difference. First operand has 343 places, 1302 transitions, 44616 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:16:24,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 1534 transitions, 55761 flow [2021-04-29 04:16:57,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 1534 transitions, 55453 flow, removed 124 selfloop flow, removed 2 redundant places. [2021-04-29 04:16:57,572 INFO L241 Difference]: Finished difference. Result has 357 places, 1391 transitions, 50562 flow [2021-04-29 04:16:57,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=44320, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=656, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=50562, PETRI_PLACES=357, PETRI_TRANSITIONS=1391} [2021-04-29 04:16:57,573 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 299 predicate places. [2021-04-29 04:16:57,573 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:16:57,573 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 357 places, 1391 transitions, 50562 flow [2021-04-29 04:16:57,574 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 357 places, 1391 transitions, 50562 flow [2021-04-29 04:16:57,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 356 places, 1391 transitions, 50562 flow [2021-04-29 04:17:10,716 INFO L129 PetriNetUnfolder]: 0/26951 cut-off events. [2021-04-29 04:17:10,716 INFO L130 PetriNetUnfolder]: For 1051065/1063242 co-relation queries the response was YES. [2021-04-29 04:17:10,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156337 conditions, 26951 events. 0/26951 cut-off events. For 1051065/1063242 co-relation queries the response was YES. Maximal size of possible extension queue 3702. Compared 585853 event pairs, 0 based on Foata normal form. 254/25559 useless extension candidates. Maximal degree in co-relation 0. Up to 2872 conditions per place. [2021-04-29 04:17:11,084 INFO L146 LiptonReduction]: Number of co-enabled transitions 8970 [2021-04-29 04:17:11,532 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:17:11,532 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:17:11,532 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13959 [2021-04-29 04:17:11,533 INFO L480 AbstractCegarLoop]: Abstraction has has 356 places, 1391 transitions, 50562 flow [2021-04-29 04:17:11,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:11,533 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:17:11,533 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] [2021-04-29 04:17:11,533 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-04-29 04:17:11,534 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:17:11,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:17:11,534 INFO L82 PathProgramCache]: Analyzing trace with hash 226632269, now seen corresponding path program 26 times [2021-04-29 04:17:11,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:17:11,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560328685] [2021-04-29 04:17:11,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:17:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:17:11,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:11,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:17:11,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:17:11,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:17:11,567 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:17:11,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:17:11,576 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:17:11,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:17:11,591 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-04-29 04:17:11,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 04:17:11,609 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:17:11,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:17:11,639 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-04-29 04:17:11,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 04:17:11,673 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:17:11,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:17:11,714 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:17:11,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:17:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:17:11,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560328685] [2021-04-29 04:17:11,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:17:11,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:17:11,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908550183] [2021-04-29 04:17:11,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:17:11,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:17:11,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:17:11,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:17:11,756 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:17:11,756 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 1391 transitions, 50562 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:11,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:17:11,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:17:11,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:17:49,945 INFO L129 PetriNetUnfolder]: 3774/38415 cut-off events. [2021-04-29 04:17:49,945 INFO L130 PetriNetUnfolder]: For 1712816/1720500 co-relation queries the response was YES. [2021-04-29 04:17:50,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287902 conditions, 38415 events. 3774/38415 cut-off events. For 1712816/1720500 co-relation queries the response was YES. Maximal size of possible extension queue 5068. Compared 780658 event pairs, 2114 based on Foata normal form. 90/36976 useless extension candidates. Maximal degree in co-relation 287741. Up to 5396 conditions per place. [2021-04-29 04:17:51,063 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 443 selfloop transitions, 1058 changer transitions 2/1519 dead transitions. [2021-04-29 04:17:51,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 1519 transitions, 58244 flow [2021-04-29 04:17:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:17:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:17:51,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:17:51,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:17:51,065 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:17:51,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:17:51,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:17:51,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:17:51,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:51,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:51,067 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:17:51,067 INFO L185 Difference]: Start difference. First operand has 356 places, 1391 transitions, 50562 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:17:51,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 1519 transitions, 58244 flow [2021-04-29 04:18:29,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 1519 transitions, 57567 flow, removed 220 selfloop flow, removed 3 redundant places. [2021-04-29 04:18:29,922 INFO L241 Difference]: Finished difference. Result has 368 places, 1423 transitions, 54016 flow [2021-04-29 04:18:29,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=49917, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1026, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=54016, PETRI_PLACES=368, PETRI_TRANSITIONS=1423} [2021-04-29 04:18:29,923 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 310 predicate places. [2021-04-29 04:18:29,924 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:18:29,924 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 1423 transitions, 54016 flow [2021-04-29 04:18:29,924 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 1423 transitions, 54016 flow [2021-04-29 04:18:29,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 367 places, 1423 transitions, 54016 flow [2021-04-29 04:18:44,100 INFO L129 PetriNetUnfolder]: 0/28671 cut-off events. [2021-04-29 04:18:44,100 INFO L130 PetriNetUnfolder]: For 1192517/1203948 co-relation queries the response was YES. [2021-04-29 04:18:44,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172293 conditions, 28671 events. 0/28671 cut-off events. For 1192517/1203948 co-relation queries the response was YES. Maximal size of possible extension queue 3994. Compared 628688 event pairs, 0 based on Foata normal form. 209/27138 useless extension candidates. Maximal degree in co-relation 0. Up to 3054 conditions per place. [2021-04-29 04:18:44,502 INFO L146 LiptonReduction]: Number of co-enabled transitions 9208 [2021-04-29 04:18:44,939 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:18:44,939 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:18:44,939 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15015 [2021-04-29 04:18:44,939 INFO L480 AbstractCegarLoop]: Abstraction has has 367 places, 1423 transitions, 54016 flow [2021-04-29 04:18:44,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:44,940 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:18:44,940 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] [2021-04-29 04:18:44,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-04-29 04:18:44,940 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:18:44,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:18:44,940 INFO L82 PathProgramCache]: Analyzing trace with hash 408268779, now seen corresponding path program 27 times [2021-04-29 04:18:44,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:18:44,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315219912] [2021-04-29 04:18:44,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:18:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:18:44,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:44,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:18:44,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:18:44,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:18:44,985 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:18:44,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:18:44,993 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-29 04:18:44,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 04:18:45,006 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-04-29 04:18:45,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 04:18:45,025 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-04-29 04:18:45,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 04:18:45,051 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-04-29 04:18:45,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-29 04:18:45,086 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-04-29 04:18:45,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 04:18:45,129 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.5 percent of original size [2021-04-29 04:18:45,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 04:18:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 04:18:45,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315219912] [2021-04-29 04:18:45,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 04:18:45,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 04:18:45,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445268536] [2021-04-29 04:18:45,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 04:18:45,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 04:18:45,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 04:18:45,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-04-29 04:18:45,171 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 107 [2021-04-29 04:18:45,171 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 1423 transitions, 54016 flow. Second operand has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:18:45,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 04:18:45,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 107 [2021-04-29 04:18:45,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 04:19:24,558 INFO L129 PetriNetUnfolder]: 3663/38598 cut-off events. [2021-04-29 04:19:24,558 INFO L130 PetriNetUnfolder]: For 1818109/1825782 co-relation queries the response was YES. [2021-04-29 04:19:25,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 296336 conditions, 38598 events. 3663/38598 cut-off events. For 1818109/1825782 co-relation queries the response was YES. Maximal size of possible extension queue 5171. Compared 788073 event pairs, 1972 based on Foata normal form. 70/37116 useless extension candidates. Maximal degree in co-relation 296170. Up to 7017 conditions per place. [2021-04-29 04:19:25,887 INFO L132 encePairwiseOnDemand]: 98/107 looper letters, 1032 selfloop transitions, 679 changer transitions 1/1728 dead transitions. [2021-04-29 04:19:25,887 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 1728 transitions, 68753 flow [2021-04-29 04:19:25,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 04:19:25,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 04:19:25,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 934 transitions. [2021-04-29 04:19:25,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8728971962616823 [2021-04-29 04:19:25,888 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 934 transitions. [2021-04-29 04:19:25,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 934 transitions. [2021-04-29 04:19:25,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 04:19:25,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 934 transitions. [2021-04-29 04:19:25,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 93.4) internal successors, (934), 10 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:25,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:25,891 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 107.0) internal successors, (1177), 11 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:19:25,891 INFO L185 Difference]: Start difference. First operand has 367 places, 1423 transitions, 54016 flow. Second operand 10 states and 934 transitions. [2021-04-29 04:19:25,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 1728 transitions, 68753 flow [2021-04-29 04:20:07,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 1728 transitions, 66960 flow, removed 127 selfloop flow, removed 5 redundant places. [2021-04-29 04:20:07,902 INFO L241 Difference]: Finished difference. Result has 378 places, 1523 transitions, 58423 flow [2021-04-29 04:20:07,903 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=52441, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=579, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=744, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=58423, PETRI_PLACES=378, PETRI_TRANSITIONS=1523} [2021-04-29 04:20:07,903 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 320 predicate places. [2021-04-29 04:20:07,903 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 04:20:07,903 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 378 places, 1523 transitions, 58423 flow [2021-04-29 04:20:07,903 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 378 places, 1523 transitions, 58423 flow [2021-04-29 04:20:07,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 377 places, 1523 transitions, 58423 flow [2021-04-29 04:20:23,753 INFO L129 PetriNetUnfolder]: 0/29863 cut-off events. [2021-04-29 04:20:23,754 INFO L130 PetriNetUnfolder]: For 1289742/1301616 co-relation queries the response was YES. [2021-04-29 04:20:23,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 181957 conditions, 29863 events. 0/29863 cut-off events. For 1289742/1301616 co-relation queries the response was YES. Maximal size of possible extension queue 4232. Compared 658244 event pairs, 0 based on Foata normal form. 220/28360 useless extension candidates. Maximal degree in co-relation 0. Up to 3180 conditions per place. [2021-04-29 04:20:24,188 INFO L146 LiptonReduction]: Number of co-enabled transitions 9732 [2021-04-29 04:20:24,671 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 04:20:24,671 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 04:20:24,671 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16768 [2021-04-29 04:20:24,672 INFO L480 AbstractCegarLoop]: Abstraction has has 377 places, 1523 transitions, 58423 flow [2021-04-29 04:20:24,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 89.9) internal successors, (899), 10 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 04:20:24,672 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 04:20:24,672 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] [2021-04-29 04:20:24,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-04-29 04:20:24,673 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-04-29 04:20:24,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 04:20:24,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1304806401, now seen corresponding path program 28 times [2021-04-29 04:20:24,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 04:20:24,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354386975] [2021-04-29 04:20:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 04:20:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 04:20:24,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 04:20:24,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 04:20:24,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 04:20:24,708 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 04:20:24,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 04:20:24,717 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-04-29 04:20:24,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 04:20:24,731 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-04-29 04:20:24,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 04:20:24,751 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-04-29 04:20:24,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 04:20:24,776 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-04-29 04:20:24,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 Received shutdown request... [2021-04-29 04:20:24,824 WARN L222 SmtUtils]: Removed 5 from assertion stack [2021-04-29 04:20:24,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-04-29 04:20:24,825 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-29 04:20:24,832 WARN L224 ceAbstractionStarter]: Timeout [2021-04-29 04:20:24,832 INFO L202 PluginConnector]: Adding new model example_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 04:20:24 BasicIcfg [2021-04-29 04:20:24,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 04:20:24,833 INFO L168 Benchmark]: Toolchain (without parser) took 754484.00 ms. Allocated memory was 318.8 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 285.6 MB in the beginning and 9.0 GB in the end (delta: -8.8 GB). Peak memory consumption was 6.8 GB. Max. memory is 16.0 GB. [2021-04-29 04:20:24,833 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.77 ms. Allocated memory is still 318.8 MB. Free memory was 286.7 MB in the beginning and 286.5 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 04:20:24,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.00 ms. Allocated memory is still 318.8 MB. Free memory was 301.1 MB in the beginning and 299.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 04:20:24,834 INFO L168 Benchmark]: Boogie Preprocessor took 16.98 ms. Allocated memory is still 318.8 MB. Free memory was 299.6 MB in the beginning and 298.7 MB in the end (delta: 843.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 04:20:24,837 INFO L168 Benchmark]: RCFGBuilder took 342.64 ms. Allocated memory is still 318.8 MB. Free memory was 298.7 MB in the beginning and 293.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-04-29 04:20:24,837 INFO L168 Benchmark]: TraceAbstraction took 754034.74 ms. Allocated memory was 318.8 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 293.0 MB in the beginning and 9.0 GB in the end (delta: -8.7 GB). Peak memory consumption was 6.9 GB. Max. memory is 16.0 GB. [2021-04-29 04:20:24,839 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 0.77 ms. Allocated memory is still 318.8 MB. Free memory was 286.7 MB in the beginning and 286.5 MB in the end (delta: 153.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.00 ms. Allocated memory is still 318.8 MB. Free memory was 301.1 MB in the beginning and 299.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.98 ms. Allocated memory is still 318.8 MB. Free memory was 299.6 MB in the beginning and 298.7 MB in the end (delta: 843.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 342.64 ms. Allocated memory is still 318.8 MB. Free memory was 298.7 MB in the beginning and 293.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 754034.74 ms. Allocated memory was 318.8 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 293.0 MB in the beginning and 9.0 GB in the end (delta: -8.7 GB). Peak memory consumption was 6.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 393.9ms, 58 PlacesBefore, 58 PlacesAfterwards, 89 TransitionsBefore, 89 TransitionsAfterwards, 1904 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 532 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 532, positive: 532, positive conditional: 532, 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: 532, positive: 532, positive conditional: 0, positive unconditional: 532, 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: 532, positive: 532, positive conditional: 0, positive unconditional: 532, 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: 532, positive: 532, positive conditional: 0, positive unconditional: 532, 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: 532, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 532, unknown conditional: 532, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 121.7ms, 44 PlacesBefore, 44 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 1792 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 57.9ms, 45 PlacesBefore, 45 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 1652 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.3ms, 46 PlacesBefore, 46 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 1624 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.7ms, 47 PlacesBefore, 47 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 1568 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.5ms, 48 PlacesBefore, 48 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 1032 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.4ms, 49 PlacesBefore, 47 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 556 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 101.1ms, 63 PlacesBefore, 63 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 870 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 544.1ms, 79 PlacesBefore, 79 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 1266 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1212.1ms, 95 PlacesBefore, 95 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 2014 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3253.9ms, 111 PlacesBefore, 111 PlacesAfterwards, 148 TransitionsBefore, 148 TransitionsAfterwards, 3086 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6117.8ms, 127 PlacesBefore, 127 PlacesAfterwards, 182 TransitionsBefore, 182 TransitionsAfterwards, 3916 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 246.0ms, 128 PlacesBefore, 117 PlacesAfterwards, 107 TransitionsBefore, 107 TransitionsAfterwards, 950 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 288.2ms, 127 PlacesBefore, 126 PlacesAfterwards, 132 TransitionsBefore, 132 TransitionsAfterwards, 1126 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 425.7ms, 141 PlacesBefore, 140 PlacesAfterwards, 177 TransitionsBefore, 177 TransitionsAfterwards, 1494 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 552.2ms, 154 PlacesBefore, 153 PlacesAfterwards, 210 TransitionsBefore, 210 TransitionsAfterwards, 1802 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 695.5ms, 168 PlacesBefore, 167 PlacesAfterwards, 235 TransitionsBefore, 235 TransitionsAfterwards, 1990 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 886.2ms, 181 PlacesBefore, 180 PlacesAfterwards, 250 TransitionsBefore, 250 TransitionsAfterwards, 2150 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1605.0ms, 195 PlacesBefore, 194 PlacesAfterwards, 313 TransitionsBefore, 313 TransitionsAfterwards, 2630 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1799.1ms, 208 PlacesBefore, 207 PlacesAfterwards, 370 TransitionsBefore, 370 TransitionsAfterwards, 3170 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1957.0ms, 222 PlacesBefore, 221 PlacesAfterwards, 417 TransitionsBefore, 417 TransitionsAfterwards, 3466 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1975.8ms, 234 PlacesBefore, 233 PlacesAfterwards, 473 TransitionsBefore, 473 TransitionsAfterwards, 3922 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2348.7ms, 245 PlacesBefore, 244 PlacesAfterwards, 539 TransitionsBefore, 539 TransitionsAfterwards, 4320 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2410.5ms, 257 PlacesBefore, 256 PlacesAfterwards, 575 TransitionsBefore, 575 TransitionsAfterwards, 4682 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3806.6ms, 269 PlacesBefore, 268 PlacesAfterwards, 648 TransitionsBefore, 648 TransitionsAfterwards, 4946 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3606.1ms, 280 PlacesBefore, 279 PlacesAfterwards, 663 TransitionsBefore, 663 TransitionsAfterwards, 5110 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3800.6ms, 291 PlacesBefore, 290 PlacesAfterwards, 704 TransitionsBefore, 704 TransitionsAfterwards, 5342 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5569.0ms, 302 PlacesBefore, 301 PlacesAfterwards, 802 TransitionsBefore, 802 TransitionsAfterwards, 5782 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5380.2ms, 313 PlacesBefore, 312 PlacesAfterwards, 869 TransitionsBefore, 869 TransitionsAfterwards, 6272 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5034.2ms, 323 PlacesBefore, 322 PlacesAfterwards, 966 TransitionsBefore, 966 TransitionsAfterwards, 6912 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5218.5ms, 333 PlacesBefore, 332 PlacesAfterwards, 988 TransitionsBefore, 988 TransitionsAfterwards, 7170 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11941.5ms, 344 PlacesBefore, 343 PlacesAfterwards, 1302 TransitionsBefore, 1302 TransitionsAfterwards, 8296 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13958.5ms, 357 PlacesBefore, 356 PlacesAfterwards, 1391 TransitionsBefore, 1391 TransitionsAfterwards, 8970 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15014.7ms, 368 PlacesBefore, 367 PlacesAfterwards, 1423 TransitionsBefore, 1423 TransitionsAfterwards, 9208 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16767.9ms, 378 PlacesBefore, 377 PlacesAfterwards, 1523 TransitionsBefore, 1523 TransitionsAfterwards, 9732 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): 532, Positive cache size: 532, Positive conditional cache size: 532, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 29]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 29). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 26 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 27 for 36ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 123.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 753704.9ms, OverallIterations: 35, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 628084.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 798.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1057 SDtfs, 1137 SDslu, 991 SDs, 0 SdLazy, 1852 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1976.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 291 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 6666.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=58423occurred in iteration=34, InterpolantAutomatonStates: 291, 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: 45.6ms SsaConstructionTime, 147.5ms SatisfiabilityAnalysisTime, 7070.7ms InterpolantComputationTime, 850 NumberOfCodeBlocks, 850 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 816 ConstructedInterpolants, 0 QuantifiedInterpolants, 21489 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 34 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