/usr/bin/java -Xmx8000000000 -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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/match-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 22:13:26,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 22:13:26,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 22:13:26,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-12 22:13:26,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-12 22:13:26,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-12 22:13:26,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-12 22:13:26,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-12 22:13:26,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-12 22:13:26,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-12 22:13:26,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-12 22:13:26,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-12 22:13:26,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 22:13:26,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 22:13:26,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 22:13:26,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 22:13:26,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 22:13:26,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 22:13:26,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 22:13:26,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 22:13:26,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 22:13:26,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 22:13:26,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 22:13:26,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 22:13:26,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-12 22:13:26,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 22:13:26,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 22:13:26,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 22:13:26,996 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-NoLbe.epf [2021-08-12 22:13:27,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 22:13:27,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 22:13:27,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 22:13:27,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 22:13:27,032 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 22:13:27,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 22:13:27,033 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 22:13:27,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 22:13:27,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 22:13:27,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 22:13:27,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 22:13:27,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 22:13:27,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 22:13:27,034 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 22:13:27,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 22:13:27,035 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 22:13:27,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 22:13:27,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 22:13:27,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 22:13:27,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 22:13:27,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 22:13:27,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 22:13:27,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 22:13:27,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 22:13:27,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 22:13:27,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 22:13:27,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 22:13:27,037 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 22:13:27,037 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 22:13:27,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 22:13:27,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 22:13:27,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 22:13:27,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 22:13:27,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 22:13:27,379 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-12 22:13:27,381 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-12 22:13:27,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/match-trans.wvr.bpl [2021-08-12 22:13:27,382 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/match-trans.wvr.bpl' [2021-08-12 22:13:27,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 22:13:27,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-12 22:13:27,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 22:13:27,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 22:13:27,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 22:13:27,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:27" (1/1) ... [2021-08-12 22:13:27,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:27" (1/1) ... [2021-08-12 22:13:27,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 22:13:27,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 22:13:27,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 22:13:27,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 22:13:27,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:27" (1/1) ... [2021-08-12 22:13:27,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:27" (1/1) ... [2021-08-12 22:13:27,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:27" (1/1) ... [2021-08-12 22:13:27,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:27" (1/1) ... [2021-08-12 22:13:27,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:27" (1/1) ... [2021-08-12 22:13:27,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:27" (1/1) ... [2021-08-12 22:13:27,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:27" (1/1) ... [2021-08-12 22:13:27,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 22:13:27,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 22:13:27,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 22:13:27,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 22:13:27,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:27" (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 [2021-08-12 22:13:27,537 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-12 22:13:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-12 22:13:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-12 22:13:27,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-12 22:13:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-12 22:13:27,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-12 22:13:27,540 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-12 22:13:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 22:13:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 22:13:27,540 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-12 22:13:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-12 22:13:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-12 22:13:27,541 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 22:13:27,687 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 22:13:27,687 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-12 22:13:27,688 INFO L202 PluginConnector]: Adding new model match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 10:13:27 BoogieIcfgContainer [2021-08-12 22:13:27,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 22:13:27,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 22:13:27,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 22:13:27,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 22:13:27,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 10:13:27" (1/2) ... [2021-08-12 22:13:27,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f484bc2 and model type match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 10:13:27, skipping insertion in model container [2021-08-12 22:13:27,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "match-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 10:13:27" (2/2) ... [2021-08-12 22:13:27,694 INFO L111 eAbstractionObserver]: Analyzing ICFG match-trans.wvr.bpl [2021-08-12 22:13:27,699 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 22:13:27,699 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 22:13:27,700 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 22:13:27,735 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-12 22:13:27,755 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-12 22:13:27,772 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 22:13:27,773 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 22:13:27,773 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 22:13:27,773 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 22:13:27,773 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 22:13:27,773 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 22:13:27,773 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 22:13:27,773 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 22:13:27,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 19 transitions, 62 flow [2021-08-12 22:13:27,817 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-08-12 22:13:27,817 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-12 22:13:27,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 16 events. 0/16 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-08-12 22:13:27,819 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 19 transitions, 62 flow [2021-08-12 22:13:27,822 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 14 transitions, 46 flow [2021-08-12 22:13:27,830 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-08-12 22:13:27,831 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-12 22:13:27,831 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:13:27,832 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:13:27,832 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:13:27,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:13:27,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1083414778, now seen corresponding path program 1 times [2021-08-12 22:13:27,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:13:27,844 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567111923] [2021-08-12 22:13:27,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:13:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:13:28,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:28,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:28,172 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2021-08-12 22:13:28,174 INFO L142 QuantifierPusher]: treesize reduction 612, result has 21.9 percent of original size [2021-08-12 22:13:28,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-08-12 22:13:28,289 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 17 [2021-08-12 22:13:28,295 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.6 percent of original size [2021-08-12 22:13:28,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 22:13:28,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:28,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:13:28,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:28,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:13:28,342 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:13:28,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567111923] [2021-08-12 22:13:28,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567111923] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:13:28,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:13:28,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 22:13:28,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008309570] [2021-08-12 22:13:28,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 22:13:28,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:13:28,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 22:13:28,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 22:13:28,375 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-12 22:13:28,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 14 transitions, 46 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:28,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:13:28,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-12 22:13:28,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:13:28,502 INFO L129 PetriNetUnfolder]: 3/40 cut-off events. [2021-08-12 22:13:28,502 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-08-12 22:13:28,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 40 events. 3/40 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 119 event pairs, 1 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 50. Up to 7 conditions per place. [2021-08-12 22:13:28,505 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 5 selfloop transitions, 2 changer transitions 1/18 dead transitions. [2021-08-12 22:13:28,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 18 transitions, 70 flow [2021-08-12 22:13:28,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 22:13:28,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 22:13:28,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-08-12 22:13:28,516 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8315789473684211 [2021-08-12 22:13:28,517 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 79 transitions. [2021-08-12 22:13:28,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 79 transitions. [2021-08-12 22:13:28,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:13:28,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 79 transitions. [2021-08-12 22:13:28,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:28,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:28,531 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:28,531 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 4 predicate places. [2021-08-12 22:13:28,532 INFO L482 AbstractCegarLoop]: Abstraction has has 28 places, 18 transitions, 70 flow [2021-08-12 22:13:28,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:28,532 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:13:28,532 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:13:28,532 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 22:13:28,532 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:13:28,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:13:28,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1676293040, now seen corresponding path program 2 times [2021-08-12 22:13:28,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:13:28,535 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494361719] [2021-08-12 22:13:28,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:13:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:13:28,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:28,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:28,698 INFO L142 QuantifierPusher]: treesize reduction 7921, result has 2.5 percent of original size [2021-08-12 22:13:28,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-08-12 22:13:28,886 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2021-08-12 22:13:28,889 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-08-12 22:13:28,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-12 22:13:28,903 INFO L142 QuantifierPusher]: treesize reduction 5, result has 70.6 percent of original size [2021-08-12 22:13:28,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:13:28,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:28,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:13:28,914 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:13:28,914 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494361719] [2021-08-12 22:13:28,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494361719] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:13:28,914 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:13:28,914 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 22:13:28,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539779275] [2021-08-12 22:13:28,915 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 22:13:28,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:13:28,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 22:13:28,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 22:13:28,924 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-12 22:13:28,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 18 transitions, 70 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:28,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:13:28,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-12 22:13:28,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:13:29,092 INFO L129 PetriNetUnfolder]: 2/45 cut-off events. [2021-08-12 22:13:29,093 INFO L130 PetriNetUnfolder]: For 21/29 co-relation queries the response was YES. [2021-08-12 22:13:29,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 45 events. 2/45 cut-off events. For 21/29 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 157 event pairs, 0 based on Foata normal form. 1/44 useless extension candidates. Maximal degree in co-relation 70. Up to 8 conditions per place. [2021-08-12 22:13:29,093 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 5 selfloop transitions, 3 changer transitions 4/22 dead transitions. [2021-08-12 22:13:29,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 22 transitions, 110 flow [2021-08-12 22:13:29,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 22:13:29,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 22:13:29,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-08-12 22:13:29,095 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8315789473684211 [2021-08-12 22:13:29,095 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 79 transitions. [2021-08-12 22:13:29,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 79 transitions. [2021-08-12 22:13:29,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:13:29,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 79 transitions. [2021-08-12 22:13:29,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,097 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,098 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 8 predicate places. [2021-08-12 22:13:29,098 INFO L482 AbstractCegarLoop]: Abstraction has has 32 places, 22 transitions, 110 flow [2021-08-12 22:13:29,098 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,098 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:13:29,098 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:13:29,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 22:13:29,099 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:13:29,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:13:29,099 INFO L82 PathProgramCache]: Analyzing trace with hash 746710662, now seen corresponding path program 3 times [2021-08-12 22:13:29,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:13:29,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691926276] [2021-08-12 22:13:29,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:13:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:13:29,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:29,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:29,202 INFO L142 QuantifierPusher]: treesize reduction 6755, result has 2.8 percent of original size [2021-08-12 22:13:29,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-08-12 22:13:29,360 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 37 [2021-08-12 22:13:29,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:29,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 22:13:29,383 INFO L142 QuantifierPusher]: treesize reduction 5, result has 70.6 percent of original size [2021-08-12 22:13:29,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:13:29,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:29,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:29,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:13:29,397 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:13:29,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691926276] [2021-08-12 22:13:29,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691926276] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:13:29,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:13:29,398 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 22:13:29,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831508387] [2021-08-12 22:13:29,398 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 22:13:29,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:13:29,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 22:13:29,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 22:13:29,400 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-12 22:13:29,400 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 22 transitions, 110 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,400 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:13:29,400 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-12 22:13:29,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:13:29,569 INFO L129 PetriNetUnfolder]: 1/48 cut-off events. [2021-08-12 22:13:29,570 INFO L130 PetriNetUnfolder]: For 38/46 co-relation queries the response was YES. [2021-08-12 22:13:29,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 48 events. 1/48 cut-off events. For 38/46 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 192 event pairs, 0 based on Foata normal form. 1/49 useless extension candidates. Maximal degree in co-relation 87. Up to 8 conditions per place. [2021-08-12 22:13:29,571 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 7 selfloop transitions, 3 changer transitions 6/26 dead transitions. [2021-08-12 22:13:29,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 26 transitions, 166 flow [2021-08-12 22:13:29,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 22:13:29,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 22:13:29,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-08-12 22:13:29,573 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8315789473684211 [2021-08-12 22:13:29,573 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 79 transitions. [2021-08-12 22:13:29,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 79 transitions. [2021-08-12 22:13:29,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:13:29,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 79 transitions. [2021-08-12 22:13:29,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,577 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,577 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 12 predicate places. [2021-08-12 22:13:29,577 INFO L482 AbstractCegarLoop]: Abstraction has has 36 places, 26 transitions, 166 flow [2021-08-12 22:13:29,577 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,578 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:13:29,578 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:13:29,578 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 22:13:29,578 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:13:29,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:13:29,580 INFO L82 PathProgramCache]: Analyzing trace with hash 180987596, now seen corresponding path program 4 times [2021-08-12 22:13:29,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:13:29,581 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325874063] [2021-08-12 22:13:29,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:13:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:13:29,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:29,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:29,692 INFO L142 QuantifierPusher]: treesize reduction 6079, result has 2.9 percent of original size [2021-08-12 22:13:29,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-08-12 22:13:29,748 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-08-12 22:13:29,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 22:13:29,763 INFO L142 QuantifierPusher]: treesize reduction 5, result has 70.6 percent of original size [2021-08-12 22:13:29,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:13:29,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:29,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:13:29,776 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:13:29,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325874063] [2021-08-12 22:13:29,776 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325874063] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:13:29,776 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:13:29,776 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 22:13:29,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822645591] [2021-08-12 22:13:29,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 22:13:29,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:13:29,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 22:13:29,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 22:13:29,780 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-12 22:13:29,781 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 26 transitions, 166 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:13:29,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-12 22:13:29,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:13:29,873 INFO L129 PetriNetUnfolder]: 1/46 cut-off events. [2021-08-12 22:13:29,874 INFO L130 PetriNetUnfolder]: For 64/91 co-relation queries the response was YES. [2021-08-12 22:13:29,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 46 events. 1/46 cut-off events. For 64/91 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 178 event pairs, 0 based on Foata normal form. 6/52 useless extension candidates. Maximal degree in co-relation 101. Up to 7 conditions per place. [2021-08-12 22:13:29,874 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 5 selfloop transitions, 1 changer transitions 9/25 dead transitions. [2021-08-12 22:13:29,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 25 transitions, 188 flow [2021-08-12 22:13:29,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 22:13:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 22:13:29,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 78 transitions. [2021-08-12 22:13:29,879 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8210526315789474 [2021-08-12 22:13:29,879 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 78 transitions. [2021-08-12 22:13:29,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 78 transitions. [2021-08-12 22:13:29,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:13:29,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 78 transitions. [2021-08-12 22:13:29,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,882 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,882 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 16 predicate places. [2021-08-12 22:13:29,882 INFO L482 AbstractCegarLoop]: Abstraction has has 40 places, 25 transitions, 188 flow [2021-08-12 22:13:29,882 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:29,882 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:13:29,882 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:13:29,882 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 22:13:29,883 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:13:29,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:13:29,883 INFO L82 PathProgramCache]: Analyzing trace with hash 865899794, now seen corresponding path program 5 times [2021-08-12 22:13:29,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:13:29,884 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937959545] [2021-08-12 22:13:29,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:13:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:13:29,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:29,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:29,969 INFO L142 QuantifierPusher]: treesize reduction 6599, result has 2.7 percent of original size [2021-08-12 22:13:29,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-08-12 22:13:30,032 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.6 percent of original size [2021-08-12 22:13:30,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-08-12 22:13:30,046 INFO L142 QuantifierPusher]: treesize reduction 5, result has 70.6 percent of original size [2021-08-12 22:13:30,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:13:30,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:30,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:13:30,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:13:30,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937959545] [2021-08-12 22:13:30,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937959545] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:13:30,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:13:30,060 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 22:13:30,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193348808] [2021-08-12 22:13:30,060 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 22:13:30,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:13:30,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 22:13:30,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 22:13:30,061 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-12 22:13:30,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 25 transitions, 188 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:30,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:13:30,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-12 22:13:30,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:13:30,157 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2021-08-12 22:13:30,158 INFO L130 PetriNetUnfolder]: For 87/99 co-relation queries the response was YES. [2021-08-12 22:13:30,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 52 events. 0/52 cut-off events. For 87/99 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 237 event pairs, 0 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-08-12 22:13:30,158 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 3 selfloop transitions, 1 changer transitions 12/26 dead transitions. [2021-08-12 22:13:30,158 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 26 transitions, 230 flow [2021-08-12 22:13:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 22:13:30,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 22:13:30,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 78 transitions. [2021-08-12 22:13:30,160 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8210526315789474 [2021-08-12 22:13:30,160 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 78 transitions. [2021-08-12 22:13:30,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 78 transitions. [2021-08-12 22:13:30,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:13:30,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 78 transitions. [2021-08-12 22:13:30,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:30,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:30,163 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:30,163 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 20 predicate places. [2021-08-12 22:13:30,163 INFO L482 AbstractCegarLoop]: Abstraction has has 44 places, 26 transitions, 230 flow [2021-08-12 22:13:30,164 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:30,164 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 22:13:30,164 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 22:13:30,164 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-12 22:13:30,164 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 22:13:30,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 22:13:30,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1296085392, now seen corresponding path program 6 times [2021-08-12 22:13:30,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 22:13:30,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761764817] [2021-08-12 22:13:30,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 22:13:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 22:13:30,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:30,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:30,239 INFO L142 QuantifierPusher]: treesize reduction 621, result has 21.7 percent of original size [2021-08-12 22:13:30,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-08-12 22:13:30,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:30,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-12 22:13:30,307 INFO L142 QuantifierPusher]: treesize reduction 5, result has 70.6 percent of original size [2021-08-12 22:13:30,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 22:13:30,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 22:13:30,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 22:13:30,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 22:13:30,319 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 22:13:30,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761764817] [2021-08-12 22:13:30,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761764817] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 22:13:30,319 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 22:13:30,319 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 22:13:30,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203747292] [2021-08-12 22:13:30,320 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 22:13:30,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 22:13:30,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 22:13:30,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 22:13:30,321 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-12 22:13:30,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 26 transitions, 230 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:30,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 22:13:30,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-12 22:13:30,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 22:13:30,402 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-08-12 22:13:30,402 INFO L130 PetriNetUnfolder]: For 111/131 co-relation queries the response was YES. [2021-08-12 22:13:30,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 50 events. 0/50 cut-off events. For 111/131 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 235 event pairs, 0 based on Foata normal form. 1/51 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-08-12 22:13:30,403 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 0 selfloop transitions, 0 changer transitions 24/24 dead transitions. [2021-08-12 22:13:30,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 24 transitions, 246 flow [2021-08-12 22:13:30,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 22:13:30,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 22:13:30,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 77 transitions. [2021-08-12 22:13:30,403 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8105263157894737 [2021-08-12 22:13:30,403 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 77 transitions. [2021-08-12 22:13:30,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 77 transitions. [2021-08-12 22:13:30,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 22:13:30,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 77 transitions. [2021-08-12 22:13:30,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:30,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:30,404 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:30,404 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 22 predicate places. [2021-08-12 22:13:30,404 INFO L482 AbstractCegarLoop]: Abstraction has has 46 places, 24 transitions, 246 flow [2021-08-12 22:13:30,404 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 22:13:30,405 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-12 22:13:30,470 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 9220 in 60585690ns [2021-08-12 22:13:30,476 INFO L113 kiGriesValidityCheck]: 7#(or (and (not v_np5_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (or (<= (+ result_9 1) 0) (<= (+ result_10 1) 0) (and (or (<= result_9 0) (<= (+ score_0 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8 1) (+ seq_1_start_1 seq_2_start_2))) (<= score_0 score_6))) (not v_np1_1) (not v_np11_1) (not v_np14_1) (or (= (+ result_10 1) 0) (and (<= score_3 score_6) (or (<= (+ score_3 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))))) (not v_np4_1) (not v_np12_1) (not v_np13_1) (or (and (or (and (= (+ result_10 1) 0) (<= score_6 score_3)) (and (= result_10 1) (< score_3 score_6))) (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8))) (and (or (and (<= score_3 score_6) (or (and (= result_10 1) (< score_3 score_6)) (and (or (and (= result_10 1) (< (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))) (and (= result_10 0) (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)))) (<= score_6 score_3)))) (and (= (+ result_10 1) 0) (< score_6 score_3))) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4)))) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np6_1 v_np7_1 (not v_np0_1) v_np22_1 v_np23_1 (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0))) v_np20_1) (and (not v_np23_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) v_np16_1 (not v_np18_1) (not v_np19_1) v_np4_1 v_np5_1 v_np6_1 (or (and (or (= result_11 1) (and (<= score_6 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_1_start_7 seq_2_start_8))) (<= (+ score_6 1) score_0)) (or (<= (+ result_9 1) 0) (<= (+ result_10 1) 0) (and (or (<= result_9 0) (<= (+ score_0 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8 1) (+ seq_1_start_1 seq_2_start_2))) (<= score_0 score_6))) (or (= (+ result_10 1) 0) (and (<= score_3 score_6) (or (<= (+ score_3 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))))) (or (<= result_9 0) (<= (+ result_10 1) 0) (<= 1 result_11)) (or (<= (+ result_9 1) 0) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)) (<= score_6 score_3)) (<= (+ score_6 1) score_3) (<= 1 result_11)) (or (<= (+ score_3 1) score_0) (<= (+ result_10 1) 0) (<= 1 result_11) (and (<= score_3 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)))) (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (= (+ result_10 1) 0) (<= score_6 score_3)) (and (= result_10 1) (< score_3 score_6))) (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8))) (and (or (and (<= score_3 score_6) (or (and (= result_10 1) (< score_3 score_6)) (and (or (and (= result_10 1) (< (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))) (and (= result_10 0) (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)))) (<= score_6 score_3)))) (and (= (+ result_10 1) 0) (< score_6 score_3))) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4)))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0)))) (and (or (= result_11 1) (and (<= score_6 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_1_start_7 seq_2_start_8))) (<= (+ score_6 1) score_0)) (or (= (+ result_10 1) 0) (and (<= score_3 score_6) (or (<= (+ score_3 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))))) (or (<= (+ result_9 1) 0) (<= result_10 0) (<= 1 result_11)) (or (<= (+ result_9 1) 0) (<= result_10 0) (and (<= (+ seq_1_start_7 seq_2_start_8 1) (+ seq_1_start_1 seq_2_start_2)) (<= score_0 score_6)) (<= (+ score_0 1) score_6)) (or (<= (+ result_9 1) 0) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)) (<= score_6 score_3)) (<= (+ score_6 1) score_3) (<= 1 result_11)) (or (<= (+ score_3 1) score_0) (<= (+ result_10 1) 0) (<= 1 result_11) (and (<= score_3 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)))) (or (and (or (and (= (+ result_10 1) 0) (<= score_6 score_3)) (and (= result_10 1) (< score_3 score_6))) (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8))) (and (or (and (<= score_3 score_6) (or (and (= result_10 1) (< score_3 score_6)) (and (or (and (= result_10 1) (< (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))) (and (= result_10 0) (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)))) (<= score_6 score_3)))) (and (= (+ result_10 1) 0) (< score_6 score_3))) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4)))) (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0))))) v_np22_1 v_np0_1 v_np20_1) (and (not v_np23_1) (not v_np5_1) (or (<= (+ result_9 1) 0) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)) (<= score_6 score_3)) (<= (+ score_6 1) score_3) (<= 1 result_11)) (not v_np7_1) (not v_np3_1) (or (= result_11 1) (and (<= score_6 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_1_start_7 seq_2_start_8))) (<= (+ score_6 1) score_0)) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) v_np12_1 (not v_np4_1) (not v_np13_1) (not v_np10_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) v_np16_1 (not v_np18_1) (not v_np19_1) v_np6_1 v_np22_1 (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0))) v_np0_1 v_np20_1) (and (not v_np23_1) (or (<= (+ result_9 1) 0) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)) (<= score_6 score_3)) (<= (+ score_6 1) score_3) (<= 1 result_11)) (not v_np7_1) (not v_np3_1) (or (= result_11 1) (and (<= score_6 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_1_start_7 seq_2_start_8))) (<= (+ score_6 1) score_0)) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) v_np16_1 (not v_np18_1) (not v_np19_1) v_np5_1 v_np6_1 v_np22_1 (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0))) v_np0_1 v_np20_1) (and (not v_np23_1) (not v_np5_1) (or (<= (+ result_9 1) 0) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)) (<= score_6 score_3)) (<= (+ score_6 1) score_3) (<= 1 result_11)) (not v_np3_1) (or (= result_11 1) (and (<= score_6 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_1_start_7 seq_2_start_8))) (<= (+ score_6 1) score_0)) (not v_np9_1) (or (<= (+ score_3 1) score_0) (<= (+ result_10 1) 0) (and (<= score_3 score_0) (or (<= result_10 0) (<= (+ seq_1_start_1 seq_2_start_2 1) (+ seq_2_start_5 seq_1_start_4)))) (<= 1 result_11)) (not v_np8_1) (or (<= (+ result_9 1) 0) (<= (+ result_10 1) 0) (and (or (<= result_9 0) (<= (+ score_0 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8 1) (+ seq_1_start_1 seq_2_start_2))) (<= score_0 score_6))) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (or (= (+ result_10 1) 0) (and (<= score_3 score_6) (or (<= (+ score_3 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))))) (or (<= (+ result_9 1) 0) (<= result_10 0) (<= 1 result_11)) (not v_np4_1) (not v_np13_1) (or (and (or (and (= (+ result_10 1) 0) (<= score_6 score_3)) (and (= result_10 1) (< score_3 score_6))) (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8))) (and (or (and (<= score_3 score_6) (or (and (= result_10 1) (< score_3 score_6)) (and (or (and (= result_10 1) (< (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))) (and (= result_10 0) (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)))) (<= score_6 score_3)))) (and (= (+ result_10 1) 0) (< score_6 score_3))) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4)))) (not v_np10_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) v_np16_1 (not v_np18_1) (not v_np19_1) v_np6_1 v_np7_1 v_np22_1 (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0))) v_np0_1 v_np20_1) (and (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (or (and (or (= (+ result_10 1) 0) (and (<= score_3 score_6) (or (<= (+ score_3 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))))) (or (<= (+ result_9 1) 0) (<= result_10 0) (and (<= (+ seq_1_start_7 seq_2_start_8 1) (+ seq_1_start_1 seq_2_start_2)) (<= score_0 score_6)) (<= (+ score_0 1) score_6)) (or (and (or (and (= (+ result_10 1) 0) (<= score_6 score_3)) (and (= result_10 1) (< score_3 score_6))) (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8))) (and (or (and (<= score_3 score_6) (or (and (= result_10 1) (< score_3 score_6)) (and (or (and (= result_10 1) (< (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))) (and (= result_10 0) (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)))) (<= score_6 score_3)))) (and (= (+ result_10 1) 0) (< score_6 score_3))) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4)))) (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0)))) (and (or (<= (+ result_9 1) 0) (<= (+ result_10 1) 0) (and (or (<= result_9 0) (<= (+ score_0 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8 1) (+ seq_1_start_1 seq_2_start_2))) (<= score_0 score_6))) (or (= (+ result_10 1) 0) (and (<= score_3 score_6) (or (<= (+ score_3 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))))) (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0))) (or (and (or (and (= (+ result_10 1) 0) (<= score_6 score_3)) (and (= result_10 1) (< score_3 score_6))) (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8))) (and (or (and (<= score_3 score_6) (or (and (= result_10 1) (< score_3 score_6)) (and (or (and (= result_10 1) (< (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))) (and (= result_10 0) (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)))) (<= score_6 score_3)))) (and (= (+ result_10 1) 0) (< score_6 score_3))) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4)))))) (not v_np19_1) v_np4_1 v_np6_1 (not v_np0_1) v_np22_1 v_np23_1 v_np20_1) (and (not v_np23_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (or (and (or (= result_11 1) (and (<= score_6 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_1_start_7 seq_2_start_8))) (<= (+ score_6 1) score_0)) (or (= (+ result_10 1) 0) (and (<= score_3 score_6) (or (<= (+ score_3 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))))) (or (<= (+ result_9 1) 0) (<= result_10 0) (and (<= (+ seq_1_start_7 seq_2_start_8 1) (+ seq_1_start_1 seq_2_start_2)) (<= score_0 score_6)) (<= (+ score_0 1) score_6)) (or (<= result_9 0) (<= (+ result_10 1) 0) (<= 1 result_11)) (or (<= (+ result_9 1) 0) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)) (<= score_6 score_3)) (<= (+ score_6 1) score_3) (<= 1 result_11)) (or (<= (+ score_3 1) score_0) (<= (+ result_10 1) 0) (<= 1 result_11) (and (<= score_3 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)))) (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (= (+ result_10 1) 0) (<= score_6 score_3)) (and (= result_10 1) (< score_3 score_6))) (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8))) (and (or (and (<= score_3 score_6) (or (and (= result_10 1) (< score_3 score_6)) (and (or (and (= result_10 1) (< (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))) (and (= result_10 0) (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)))) (<= score_6 score_3)))) (and (= (+ result_10 1) 0) (< score_6 score_3))) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4)))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0)))) (and (or (= result_11 1) (and (<= score_6 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_1_start_7 seq_2_start_8))) (<= (+ score_6 1) score_0)) (or (<= (+ result_9 1) 0) (<= (+ result_10 1) 0) (and (or (<= result_9 0) (<= (+ score_0 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8 1) (+ seq_1_start_1 seq_2_start_2))) (<= score_0 score_6))) (or (= (+ result_10 1) 0) (and (<= score_3 score_6) (or (<= (+ score_3 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))))) (or (<= result_9 0) (<= (+ result_10 1) 0) (<= 1 result_11)) (or (<= (+ result_9 1) 0) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)) (<= score_6 score_3)) (<= (+ score_6 1) score_3) (<= 1 result_11)) (or (<= (+ score_3 1) score_0) (<= (+ result_10 1) 0) (<= 1 result_11) (and (<= score_3 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)))) (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (= (+ result_10 1) 0) (<= score_6 score_3)) (and (= result_10 1) (< score_3 score_6))) (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8))) (and (or (and (<= score_3 score_6) (or (and (= result_10 1) (< score_3 score_6)) (and (or (and (= result_10 1) (< (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))) (and (= result_10 0) (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)))) (<= score_6 score_3)))) (and (= (+ result_10 1) 0) (< score_6 score_3))) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4)))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0)))) (and (or (= result_11 1) (and (<= score_6 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_1_start_7 seq_2_start_8))) (<= (+ score_6 1) score_0)) (or (= (+ result_10 1) 0) (and (<= score_3 score_6) (or (<= (+ score_3 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))))) (or (<= (+ result_9 1) 0) (<= result_10 0) (<= 1 result_11)) (or (<= (+ result_9 1) 0) (<= result_10 0) (and (<= (+ seq_1_start_7 seq_2_start_8 1) (+ seq_1_start_1 seq_2_start_2)) (<= score_0 score_6)) (<= (+ score_0 1) score_6)) (or (<= (+ result_9 1) 0) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)) (<= score_6 score_3)) (<= (+ score_6 1) score_3) (<= 1 result_11)) (or (<= (+ score_3 1) score_0) (<= (+ result_10 1) 0) (<= 1 result_11) (and (<= score_3 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)))) (or (and (or (and (= (+ result_10 1) 0) (<= score_6 score_3)) (and (= result_10 1) (< score_3 score_6))) (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8))) (and (or (and (<= score_3 score_6) (or (and (= result_10 1) (< score_3 score_6)) (and (or (and (= result_10 1) (< (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))) (and (= result_10 0) (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)))) (<= score_6 score_3)))) (and (= (+ result_10 1) 0) (< score_6 score_3))) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4)))) (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0)))) (and (or (= result_11 1) (and (<= score_6 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_1_start_7 seq_2_start_8))) (<= (+ score_6 1) score_0)) (or (<= (+ score_3 1) score_0) (<= (+ result_10 1) 0) (and (<= score_3 score_0) (or (<= result_10 0) (<= (+ seq_1_start_1 seq_2_start_2 1) (+ seq_2_start_5 seq_1_start_4)))) (<= 1 result_11)) (or (<= (+ result_9 1) 0) (<= (+ result_10 1) 0) (and (or (<= result_9 0) (<= (+ score_0 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8 1) (+ seq_1_start_1 seq_2_start_2))) (<= score_0 score_6))) (or (= (+ result_10 1) 0) (and (<= score_3 score_6) (or (<= (+ score_3 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))))) (or (<= (+ result_9 1) 0) (<= result_10 0) (<= 1 result_11)) (or (<= (+ result_9 1) 0) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)) (<= score_6 score_3)) (<= (+ score_6 1) score_3) (<= 1 result_11)) (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0))) (or (and (or (and (= (+ result_10 1) 0) (<= score_6 score_3)) (and (= result_10 1) (< score_3 score_6))) (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8))) (and (or (and (<= score_3 score_6) (or (and (= result_10 1) (< score_3 score_6)) (and (or (and (= result_10 1) (< (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))) (and (= result_10 0) (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)))) (<= score_6 score_3)))) (and (= (+ result_10 1) 0) (< score_6 score_3))) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))))) (and (or (= result_11 1) (and (<= score_6 score_0) (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_1_start_7 seq_2_start_8))) (<= (+ score_6 1) score_0)) (or (<= (+ score_3 1) score_0) (<= (+ result_10 1) 0) (and (<= score_3 score_0) (or (<= result_10 0) (<= (+ seq_1_start_1 seq_2_start_2 1) (+ seq_2_start_5 seq_1_start_4)))) (<= 1 result_11)) (or (= (+ result_10 1) 0) (and (<= score_3 score_6) (or (<= (+ score_3 1) score_6) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))))) (or (<= (+ result_9 1) 0) (<= result_10 0) (<= 1 result_11)) (or (<= (+ result_9 1) 0) (<= result_10 0) (and (<= (+ seq_1_start_7 seq_2_start_8 1) (+ seq_1_start_1 seq_2_start_2)) (<= score_0 score_6)) (<= (+ score_0 1) score_6)) (or (<= (+ result_9 1) 0) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)) (<= score_6 score_3)) (<= (+ score_6 1) score_3) (<= 1 result_11)) (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (= (+ result_10 1) 0) (<= score_6 score_3)) (and (= result_10 1) (< score_3 score_6))) (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8))) (and (or (and (<= score_3 score_6) (or (and (= result_10 1) (< score_3 score_6)) (and (or (and (= result_10 1) (< (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4))) (and (= result_10 0) (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_7 seq_2_start_8)))) (<= score_6 score_3)))) (and (= (+ result_10 1) 0) (< score_6 score_3))) (<= (+ seq_1_start_7 seq_2_start_8) (+ seq_2_start_5 seq_1_start_4)))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0))))) (not v_np13_1) (not v_np10_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) v_np16_1 (not v_np18_1) (not v_np19_1) v_np4_1 v_np6_1 v_np22_1 v_np0_1 v_np20_1) (and (not v_np22_1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np18_1) (not v_np19_1) v_np6_1 (not v_np0_1) v_np21_1 v_np23_1 (or (= (+ result_9 1) 0) (and (or (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (<= (+ score_0 1) score_3)) (<= score_0 score_3))) (or (and (or (and (or (and (<= score_3 score_0) (= (+ result_9 1) 0)) (and (= result_9 1) (< score_0 score_3))) (< (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4))) (and (<= (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (or (and (= result_9 1) (< score_0 score_3)) (and (<= score_3 score_0) (or (and (< (+ seq_2_start_5 seq_1_start_4) (+ seq_1_start_1 seq_2_start_2)) (= result_9 1)) (and (<= (+ seq_1_start_1 seq_2_start_2) (+ seq_2_start_5 seq_1_start_4)) (= result_9 0))))))) (<= score_0 score_3)) (and (= (+ result_9 1) 0) (< score_3 score_0))) v_np20_1)) [2021-08-12 22:13:30,507 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 41950376ns [2021-08-12 22:13:30,508 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Invalid Owicki-Gries annotation at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-12 22:13:30,513 INFO L168 Benchmark]: Toolchain (without parser) took 3090.48 ms. Allocated memory was 205.5 MB in the beginning and 247.5 MB in the end (delta: 41.9 MB). Free memory was 186.2 MB in the beginning and 226.8 MB in the end (delta: -40.6 MB). Peak memory consumption was 144.1 MB. Max. memory is 8.0 GB. [2021-08-12 22:13:30,514 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.48 ms. Allocated memory is still 205.5 MB. Free memory is still 187.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 22:13:30,514 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.45 ms. Allocated memory is still 205.5 MB. Free memory was 186.2 MB in the beginning and 184.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 22:13:30,516 INFO L168 Benchmark]: Boogie Preprocessor took 18.64 ms. Allocated memory is still 205.5 MB. Free memory was 184.8 MB in the beginning and 183.8 MB in the end (delta: 941.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-12 22:13:30,517 INFO L168 Benchmark]: RCFGBuilder took 218.96 ms. Allocated memory is still 205.5 MB. Free memory was 183.7 MB in the beginning and 173.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-08-12 22:13:30,519 INFO L168 Benchmark]: TraceAbstraction took 2822.35 ms. Allocated memory was 205.5 MB in the beginning and 247.5 MB in the end (delta: 41.9 MB). Free memory was 172.6 MB in the beginning and 226.8 MB in the end (delta: -54.2 MB). Peak memory consumption was 130.4 MB. Max. memory is 8.0 GB. [2021-08-12 22:13:30,522 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 0.48 ms. Allocated memory is still 205.5 MB. Free memory is still 187.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.45 ms. Allocated memory is still 205.5 MB. Free memory was 186.2 MB in the beginning and 184.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.64 ms. Allocated memory is still 205.5 MB. Free memory was 184.8 MB in the beginning and 183.8 MB in the end (delta: 941.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 218.96 ms. Allocated memory is still 205.5 MB. Free memory was 183.7 MB in the beginning and 173.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2822.35 ms. Allocated memory was 205.5 MB in the beginning and 247.5 MB in the end (delta: 41.9 MB). Free memory was 172.6 MB in the beginning and 226.8 MB in the end (delta: -54.2 MB). Peak memory consumption was 130.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Invalid Owicki-Gries annotation de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Invalid Owicki-Gries annotation: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...