/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-OGIterative-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/time-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 13:20:13,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 13:20:13,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 13:20:13,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-13 13:20:13,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 13:20:13,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 13:20:13,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 13:20:13,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 13:20:13,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 13:20:13,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 13:20:13,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 13:20:13,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 13:20:13,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 13:20:13,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 13:20:13,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 13:20:13,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 13:20:13,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 13:20:13,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 13:20:13,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 13:20:13,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 13:20:13,554 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-OGIterative-Hitting.epf [2021-08-13 13:20:13,595 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 13:20:13,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 13:20:13,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 13:20:13,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 13:20:13,597 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 13:20:13,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 13:20:13,597 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 13:20:13,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 13:20:13,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 13:20:13,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 13:20:13,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 13:20:13,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 13:20:13,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 13:20:13,598 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 13:20:13,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 13:20:13,598 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 13:20:13,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 13:20:13,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 13:20:13,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 13:20:13,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 13:20:13,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 13:20:13,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 13:20:13,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 13:20:13,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 13:20:13,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 13:20:13,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 13:20:13,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 13:20:13,600 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 13:20:13,600 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 13:20:13,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 13:20:13,603 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 13:20:13,603 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 13:20:13,603 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 13:20:13,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 13:20:13,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 13:20:13,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 13:20:13,947 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-13 13:20:13,948 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-13 13:20:13,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/time-trans.wvr.bpl [2021-08-13 13:20:13,949 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/time-trans.wvr.bpl' [2021-08-13 13:20:13,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 13:20:13,976 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-13 13:20:13,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 13:20:13,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 13:20:13,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 13:20:13,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:20:13" (1/1) ... [2021-08-13 13:20:13,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:20:13" (1/1) ... [2021-08-13 13:20:14,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 13:20:14,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 13:20:14,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 13:20:14,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 13:20:14,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:20:13" (1/1) ... [2021-08-13 13:20:14,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:20:13" (1/1) ... [2021-08-13 13:20:14,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:20:13" (1/1) ... [2021-08-13 13:20:14,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:20:13" (1/1) ... [2021-08-13 13:20:14,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:20:13" (1/1) ... [2021-08-13 13:20:14,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:20:13" (1/1) ... [2021-08-13 13:20:14,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:20:13" (1/1) ... [2021-08-13 13:20:14,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 13:20:14,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 13:20:14,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 13:20:14,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 13:20:14,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:20:13" (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 [2021-08-13 13:20:14,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-13 13:20:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-13 13:20:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-13 13:20:14,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-13 13:20:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-13 13:20:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-13 13:20:14,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-13 13:20:14,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 13:20:14,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 13:20:14,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-13 13:20:14,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-13 13:20:14,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-13 13:20:14,082 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 13:20:14,331 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 13:20:14,331 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-13 13:20:14,333 INFO L202 PluginConnector]: Adding new model time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 01:20:14 BoogieIcfgContainer [2021-08-13 13:20:14,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 13:20:14,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 13:20:14,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 13:20:14,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 13:20:14,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:20:13" (1/2) ... [2021-08-13 13:20:14,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15be8372 and model type time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 01:20:14, skipping insertion in model container [2021-08-13 13:20:14,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "time-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 01:20:14" (2/2) ... [2021-08-13 13:20:14,340 INFO L111 eAbstractionObserver]: Analyzing ICFG time-trans.wvr.bpl [2021-08-13 13:20:14,344 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 13:20:14,345 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 13:20:14,346 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 13:20:14,432 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-13 13:20:14,458 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-13 13:20:14,478 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 13:20:14,479 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 13:20:14,479 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 13:20:14,479 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 13:20:14,479 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 13:20:14,479 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 13:20:14,479 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 13:20:14,479 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 13:20:14,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 19 transitions, 62 flow [2021-08-13 13:20:14,506 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-08-13 13:20:14,506 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-13 13:20:14,508 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 15 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. [2021-08-13 13:20:14,508 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 19 transitions, 62 flow [2021-08-13 13:20:14,512 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 14 transitions, 46 flow [2021-08-13 13:20:14,518 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-08-13 13:20:14,519 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-13 13:20:14,519 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:20:14,520 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:20:14,520 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:20:14,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:20:14,525 INFO L82 PathProgramCache]: Analyzing trace with hash 936082789, now seen corresponding path program 1 times [2021-08-13 13:20:14,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:20:14,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310417776] [2021-08-13 13:20:14,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:20:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:20:14,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:14,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:20:14,793 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-08-13 13:20:14,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 13:20:14,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:14,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 13:20:14,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:14,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 13:20:14,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:14,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:20:14,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 13:20:14,979 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:20:14,979 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310417776] [2021-08-13 13:20:14,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310417776] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:20:14,980 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:20:14,980 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 13:20:14,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722350829] [2021-08-13 13:20:14,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 13:20:14,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:20:14,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 13:20:15,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 13:20:15,005 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-13 13:20:15,008 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) [2021-08-13 13:20:15,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:20:15,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-13 13:20:15,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:20:15,192 INFO L129 PetriNetUnfolder]: 3/40 cut-off events. [2021-08-13 13:20:15,192 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-08-13 13:20:15,194 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 120 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. [2021-08-13 13:20:15,196 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 5 selfloop transitions, 2 changer transitions 1/18 dead transitions. [2021-08-13 13:20:15,196 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 18 transitions, 70 flow [2021-08-13 13:20:15,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:20:15,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:20:15,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-08-13 13:20:15,208 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8315789473684211 [2021-08-13 13:20:15,208 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 79 transitions. [2021-08-13 13:20:15,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 79 transitions. [2021-08-13 13:20:15,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:20:15,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 79 transitions. [2021-08-13 13:20:15,214 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) [2021-08-13 13:20:15,224 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) [2021-08-13 13:20:15,224 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) [2021-08-13 13:20:15,225 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 4 predicate places. [2021-08-13 13:20:15,225 INFO L482 AbstractCegarLoop]: Abstraction has has 28 places, 18 transitions, 70 flow [2021-08-13 13:20:15,226 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) [2021-08-13 13:20:15,226 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:20:15,226 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:20:15,226 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 13:20:15,227 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:20:15,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:20:15,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1811602917, now seen corresponding path program 2 times [2021-08-13 13:20:15,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:20:15,228 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944809332] [2021-08-13 13:20:15,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:20:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:20:15,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:15,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:20:15,310 INFO L142 QuantifierPusher]: treesize reduction 14, result has 56.3 percent of original size [2021-08-13 13:20:15,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 13:20:15,329 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.3 percent of original size [2021-08-13 13:20:15,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 13:20:15,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:15,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 13:20:15,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:15,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:20:15,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 13:20:15,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:20:15,376 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944809332] [2021-08-13 13:20:15,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944809332] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:20:15,376 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:20:15,376 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 13:20:15,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908333409] [2021-08-13 13:20:15,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 13:20:15,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:20:15,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 13:20:15,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 13:20:15,379 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-13 13:20:15,380 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) [2021-08-13 13:20:15,380 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:20:15,380 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-13 13:20:15,380 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:20:15,504 INFO L129 PetriNetUnfolder]: 2/45 cut-off events. [2021-08-13 13:20:15,504 INFO L130 PetriNetUnfolder]: For 20/26 co-relation queries the response was YES. [2021-08-13 13:20:15,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 45 events. 2/45 cut-off events. For 20/26 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 161 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 70. Up to 8 conditions per place. [2021-08-13 13:20:15,508 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 5 selfloop transitions, 3 changer transitions 4/22 dead transitions. [2021-08-13 13:20:15,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 22 transitions, 110 flow [2021-08-13 13:20:15,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:20:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:20:15,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-08-13 13:20:15,511 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8315789473684211 [2021-08-13 13:20:15,511 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 79 transitions. [2021-08-13 13:20:15,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 79 transitions. [2021-08-13 13:20:15,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:20:15,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 79 transitions. [2021-08-13 13:20:15,516 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) [2021-08-13 13:20:15,517 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) [2021-08-13 13:20:15,517 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) [2021-08-13 13:20:15,517 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 8 predicate places. [2021-08-13 13:20:15,517 INFO L482 AbstractCegarLoop]: Abstraction has has 32 places, 22 transitions, 110 flow [2021-08-13 13:20:15,518 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) [2021-08-13 13:20:15,518 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:20:15,518 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:20:15,518 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 13:20:15,518 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:20:15,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:20:15,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1021396753, now seen corresponding path program 3 times [2021-08-13 13:20:15,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:20:15,519 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141242565] [2021-08-13 13:20:15,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:20:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:20:15,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:15,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:20:15,591 INFO L142 QuantifierPusher]: treesize reduction 16, result has 52.9 percent of original size [2021-08-13 13:20:15,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 13:20:15,604 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.3 percent of original size [2021-08-13 13:20:15,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-08-13 13:20:15,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:15,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 13:20:15,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:15,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:20:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 13:20:15,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:20:15,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141242565] [2021-08-13 13:20:15,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141242565] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:20:15,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:20:15,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 13:20:15,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837930230] [2021-08-13 13:20:15,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 13:20:15,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:20:15,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 13:20:15,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 13:20:15,671 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-13 13:20:15,671 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) [2021-08-13 13:20:15,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:20:15,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-13 13:20:15,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:20:15,793 INFO L129 PetriNetUnfolder]: 1/48 cut-off events. [2021-08-13 13:20:15,793 INFO L130 PetriNetUnfolder]: For 35/39 co-relation queries the response was YES. [2021-08-13 13:20:15,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 48 events. 1/48 cut-off events. For 35/39 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. [2021-08-13 13:20:15,794 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 7 selfloop transitions, 3 changer transitions 6/26 dead transitions. [2021-08-13 13:20:15,794 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 26 transitions, 166 flow [2021-08-13 13:20:15,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:20:15,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:20:15,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-08-13 13:20:15,798 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8315789473684211 [2021-08-13 13:20:15,798 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 79 transitions. [2021-08-13 13:20:15,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 79 transitions. [2021-08-13 13:20:15,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:20:15,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 79 transitions. [2021-08-13 13:20:15,800 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) [2021-08-13 13:20:15,802 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) [2021-08-13 13:20:15,802 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) [2021-08-13 13:20:15,802 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 12 predicate places. [2021-08-13 13:20:15,803 INFO L482 AbstractCegarLoop]: Abstraction has has 36 places, 26 transitions, 166 flow [2021-08-13 13:20:15,803 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) [2021-08-13 13:20:15,803 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:20:15,803 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:20:15,803 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 13:20:15,803 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:20:15,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:20:15,805 INFO L82 PathProgramCache]: Analyzing trace with hash -626083743, now seen corresponding path program 4 times [2021-08-13 13:20:15,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:20:15,807 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845328139] [2021-08-13 13:20:15,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:20:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:20:15,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:15,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:20:15,863 INFO L142 QuantifierPusher]: treesize reduction 16, result has 52.9 percent of original size [2021-08-13 13:20:15,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 13:20:15,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:15,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-13 13:20:15,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:15,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 13:20:15,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:15,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:20:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 13:20:15,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:20:15,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845328139] [2021-08-13 13:20:15,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845328139] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:20:15,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:20:15,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 13:20:15,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642899401] [2021-08-13 13:20:15,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 13:20:15,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:20:15,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 13:20:15,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 13:20:15,932 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-13 13:20:15,932 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) [2021-08-13 13:20:15,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:20:15,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-13 13:20:15,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:20:16,022 INFO L129 PetriNetUnfolder]: 1/46 cut-off events. [2021-08-13 13:20:16,023 INFO L130 PetriNetUnfolder]: For 58/79 co-relation queries the response was YES. [2021-08-13 13:20:16,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 46 events. 1/46 cut-off events. For 58/79 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 185 event pairs, 0 based on Foata normal form. 4/50 useless extension candidates. Maximal degree in co-relation 101. Up to 7 conditions per place. [2021-08-13 13:20:16,024 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 5 selfloop transitions, 1 changer transitions 9/25 dead transitions. [2021-08-13 13:20:16,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 25 transitions, 188 flow [2021-08-13 13:20:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:20:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:20:16,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 78 transitions. [2021-08-13 13:20:16,028 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8210526315789474 [2021-08-13 13:20:16,028 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 78 transitions. [2021-08-13 13:20:16,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 78 transitions. [2021-08-13 13:20:16,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:20:16,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 78 transitions. [2021-08-13 13:20:16,030 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) [2021-08-13 13:20:16,031 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) [2021-08-13 13:20:16,031 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) [2021-08-13 13:20:16,031 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 16 predicate places. [2021-08-13 13:20:16,031 INFO L482 AbstractCegarLoop]: Abstraction has has 40 places, 25 transitions, 188 flow [2021-08-13 13:20:16,031 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) [2021-08-13 13:20:16,031 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:20:16,031 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:20:16,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 13:20:16,032 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:20:16,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:20:16,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1409569935, now seen corresponding path program 5 times [2021-08-13 13:20:16,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:20:16,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631287697] [2021-08-13 13:20:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:20:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:20:16,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:16,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:20:16,079 INFO L142 QuantifierPusher]: treesize reduction 14, result has 56.3 percent of original size [2021-08-13 13:20:16,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-08-13 13:20:16,096 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-08-13 13:20:16,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-08-13 13:20:16,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:16,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 13:20:16,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:16,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:20:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 13:20:16,144 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:20:16,148 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631287697] [2021-08-13 13:20:16,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631287697] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:20:16,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:20:16,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 13:20:16,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121340498] [2021-08-13 13:20:16,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 13:20:16,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:20:16,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 13:20:16,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 13:20:16,155 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-13 13:20:16,155 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) [2021-08-13 13:20:16,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:20:16,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-13 13:20:16,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:20:16,255 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2021-08-13 13:20:16,255 INFO L130 PetriNetUnfolder]: For 93/118 co-relation queries the response was YES. [2021-08-13 13:20:16,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 52 events. 0/52 cut-off events. For 93/118 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 241 event pairs, 0 based on Foata normal form. 4/56 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2021-08-13 13:20:16,256 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 3 selfloop transitions, 1 changer transitions 12/26 dead transitions. [2021-08-13 13:20:16,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 26 transitions, 230 flow [2021-08-13 13:20:16,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:20:16,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:20:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 78 transitions. [2021-08-13 13:20:16,259 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8210526315789474 [2021-08-13 13:20:16,259 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 78 transitions. [2021-08-13 13:20:16,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 78 transitions. [2021-08-13 13:20:16,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:20:16,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 78 transitions. [2021-08-13 13:20:16,260 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) [2021-08-13 13:20:16,262 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) [2021-08-13 13:20:16,263 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) [2021-08-13 13:20:16,263 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 20 predicate places. [2021-08-13 13:20:16,263 INFO L482 AbstractCegarLoop]: Abstraction has has 44 places, 26 transitions, 230 flow [2021-08-13 13:20:16,263 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) [2021-08-13 13:20:16,263 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:20:16,263 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:20:16,263 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 13:20:16,264 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:20:16,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:20:16,264 INFO L82 PathProgramCache]: Analyzing trace with hash -979384337, now seen corresponding path program 6 times [2021-08-13 13:20:16,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:20:16,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233705333] [2021-08-13 13:20:16,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:20:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:20:16,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:16,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:20:16,308 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-08-13 13:20:16,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 13:20:16,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:16,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-08-13 13:20:16,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:16,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 13:20:16,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:20:16,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:20:16,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 13:20:16,404 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:20:16,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233705333] [2021-08-13 13:20:16,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233705333] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:20:16,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:20:16,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 13:20:16,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739227260] [2021-08-13 13:20:16,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 13:20:16,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:20:16,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 13:20:16,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 13:20:16,406 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 19 [2021-08-13 13:20:16,407 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) [2021-08-13 13:20:16,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:20:16,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 19 [2021-08-13 13:20:16,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:20:16,511 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-08-13 13:20:16,511 INFO L130 PetriNetUnfolder]: For 94/104 co-relation queries the response was YES. [2021-08-13 13:20:16,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 50 events. 0/50 cut-off events. For 94/104 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 234 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. [2021-08-13 13:20:16,512 INFO L132 encePairwiseOnDemand]: 15/19 looper letters, 0 selfloop transitions, 0 changer transitions 24/24 dead transitions. [2021-08-13 13:20:16,512 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 24 transitions, 246 flow [2021-08-13 13:20:16,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:20:16,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:20:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 77 transitions. [2021-08-13 13:20:16,512 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8105263157894737 [2021-08-13 13:20:16,513 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 77 transitions. [2021-08-13 13:20:16,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 77 transitions. [2021-08-13 13:20:16,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:20:16,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 77 transitions. [2021-08-13 13:20:16,513 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) [2021-08-13 13:20:16,514 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) [2021-08-13 13:20:16,514 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) [2021-08-13 13:20:16,514 INFO L348 CegarLoopForPetriNet]: 24 programPoint places, 22 predicate places. [2021-08-13 13:20:16,514 INFO L482 AbstractCegarLoop]: Abstraction has has 46 places, 24 transitions, 246 flow [2021-08-13 13:20:16,514 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) [2021-08-13 13:20:16,514 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 13:20:59,719 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 7852 in 43200941802ns [2021-08-13 13:20:59,721 INFO L113 kiGriesValidityCheck]: 4#(or (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (not v_np15_1) (not v_np2_1) v_np9_1 (not v_np1_1) (not v_np18_1) (not v_np5_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np7_1)) (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (not v_np15_1) (not v_np2_1) (not v_np9_1) v_np5_1 (not v_np1_1) (not v_np18_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np7_1)) (and v_np18_1 (not v_np15_1) (not v_np2_1) (not v_np9_1) (not v_np1_1) (not v_np5_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np7_1))) [2021-08-13 13:20:59,721 INFO L113 kiGriesValidityCheck]: 20#(or (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (not v_np15_1) (not v_np2_1) v_np9_1 (not v_np1_1) (not v_np18_1) (not v_np5_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np7_1)) (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (not v_np15_1) (not v_np2_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (or (and (or (<= (+ ora_0 1) ora_4) (<= (+ cmp_6 cmp_7 volume_totale_5) volume_totale_1) (<= (+ ora_4 1) ora_0)) (or (and (<= ora_4 ora_0) (< ora_0 (+ ora_4 1))) (<= (+ cmp_6 ora_4) ora_0))) (<= (+ cmp_6 cmp_7 ora_4) ora_0) (<= (+ cmp_7 ora_4) ora_0)) (not v_np18_1) (not v_np5_1) (not v_np7_1) (or (<= cmp_6 cmp_8) (<= cmp_7 cmp_8) (<= (+ cmp_6 cmp_7) 0) (<= cmp_7 0)) (or (and (or (<= ora_2 ora_4) (<= ora_2 (+ cmp_8 ora_4))) (or (<= (+ cmp_6 volume_totale_3) (+ cmp_8 volume_totale_5)) (<= (+ ora_2 1) ora_4) (<= (+ ora_4 1) ora_2))) (<= (+ cmp_6 ora_2) (+ cmp_8 ora_4)) (<= (+ cmp_6 ora_2) ora_4)) (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (or (<= (+ ora_0 cmp_7) ora_2) (and (<= ora_2 ora_0) (< ora_0 (+ ora_2 1)) (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3))) (and (or (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2)) (<= ora_0 (+ cmp_8 ora_2))) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (not v_np1_1) v_np13_1 (not v_np12_1) (not v_np4_1)) (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (not v_np15_1) (not v_np2_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (or (and (or (<= (+ ora_0 1) ora_4) (<= (+ cmp_6 cmp_7 volume_totale_5) volume_totale_1) (<= (+ ora_4 1) ora_0)) (or (and (<= ora_4 ora_0) (< ora_0 (+ ora_4 1))) (<= (+ cmp_6 ora_4) ora_0))) (<= (+ cmp_6 cmp_7 ora_4) ora_0) (<= (+ cmp_7 ora_4) ora_0)) (not v_np18_1) (not v_np5_1) (not v_np7_1) (or (<= cmp_6 cmp_8) (<= cmp_7 cmp_8) (<= (+ cmp_6 cmp_7) 0) (<= cmp_7 0)) (or (and (or (<= ora_2 ora_4) (<= ora_2 (+ cmp_8 ora_4))) (or (<= (+ cmp_6 volume_totale_3) (+ cmp_8 volume_totale_5)) (<= (+ ora_2 1) ora_4) (<= (+ ora_4 1) ora_2))) (<= (+ cmp_6 ora_2) (+ cmp_8 ora_4)) (<= (+ cmp_6 ora_2) ora_4)) v_np4_1 (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (or (<= (+ ora_0 cmp_7) ora_2) (and (<= ora_2 ora_0) (< ora_0 (+ ora_2 1)) (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3))) (and (or (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2)) (<= ora_0 (+ cmp_8 ora_2))) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (not v_np1_1) (not v_np12_1) (not v_np13_1)) (and (not v_np2_1) (not v_np9_1) v_np15_1 (not v_np1_1) (not v_np18_1) (not v_np5_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np7_1)) (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (not v_np15_1) (not v_np2_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (or (and (or (<= (+ ora_0 cmp_7) ora_2) (<= ora_0 ora_2)) (or (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2))) (and (or (<= 1 cmp_8) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (or (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2)) (<= ora_0 (+ cmp_8 ora_2))))) (or (and (or (<= (+ ora_0 1) ora_4) (<= (+ cmp_6 cmp_7 volume_totale_5) volume_totale_1) (<= (+ ora_4 1) ora_0)) (or (and (<= ora_4 ora_0) (< ora_0 (+ ora_4 1))) (<= (+ cmp_6 ora_4) ora_0))) (<= (+ cmp_6 cmp_7 ora_4) ora_0) (<= (+ cmp_7 ora_4) ora_0)) (not v_np18_1) (not v_np5_1) (or (and (or (<= 1 cmp_8) (<= (+ cmp_6 ora_2) (+ cmp_8 ora_4))) (or (<= ora_2 (+ cmp_8 ora_4)) (<= (+ cmp_6 ora_2) (+ cmp_8 ora_4)))) (and (or (<= (+ cmp_6 volume_totale_3) (+ cmp_8 volume_totale_5)) (<= (+ ora_2 1) ora_4) (<= (+ ora_4 1) ora_2)) (or (<= ora_2 ora_4) (<= (+ cmp_6 ora_2) ora_4)))) (not v_np7_1) (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (or (<= cmp_7 cmp_8) (<= 1 cmp_8) (<= cmp_6 0) (<= (+ cmp_6 cmp_7) 0)) (not v_np1_1) (not v_np12_1) (not v_np13_1) (not v_np4_1)) (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (not v_np15_1) (not v_np2_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (or (and (or (<= (+ ora_0 1) ora_4) (<= (+ cmp_6 cmp_7 volume_totale_5) volume_totale_1) (<= (+ ora_4 1) ora_0)) (or (and (<= ora_4 ora_0) (< ora_0 (+ ora_4 1))) (<= (+ cmp_6 ora_4) ora_0))) (<= (+ cmp_6 cmp_7 ora_4) ora_0) (<= (+ cmp_7 ora_4) ora_0)) (not v_np18_1) (not v_np5_1) (not v_np7_1) v_np1_1 (not v_np9_1) (not v_np12_1) (not v_np13_1) (not v_np4_1)) (and (or (and (<= ora_2 ora_0) (<= ora_0 ora_2) (= (+ cmp_6 volume_totale_3) volume_totale_1)) (= ora_0 (+ cmp_6 ora_2))) (not v_np15_1) (not v_np2_1) (not v_np9_1) v_np5_1 (not v_np1_1) (not v_np18_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np7_1)) (and v_np18_1 (not v_np15_1) (not v_np2_1) (not v_np9_1) (not v_np1_1) (not v_np5_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np7_1))) [2021-08-13 13:20:59,728 INFO L113 kiGriesValidityCheck]: 19#(or (and v_np18_1 (not v_np15_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (or (and (or (<= (+ ora_0 cmp_7) ora_2) (<= ora_0 ora_2)) (or (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2))) (and (or (<= 1 cmp_8) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (or (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2)) (<= ora_0 (+ cmp_8 ora_2))))) (not v_np5_1) (not v_np7_1) v_np2_1 (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (not v_np1_1) v_np13_1 (not v_np12_1) (not v_np4_1)) (and v_np18_1 (not v_np15_1) (not v_np2_1) (not v_np9_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) v_np7_1 (not v_np1_1) (not v_np5_1) (not v_np12_1) (not v_np13_1) (not v_np4_1)) (and v_np18_1 v_np2_1 (not v_np15_1) (not v_np9_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (not v_np1_1) (not v_np5_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np7_1)) (and v_np18_1 (not v_np15_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (or (and (or (<= (+ ora_0 cmp_7) ora_2) (<= ora_0 ora_2)) (or (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2))) (and (or (<= 1 cmp_8) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (or (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2)) (<= ora_0 (+ cmp_8 ora_2))))) (not v_np5_1) (not v_np7_1) v_np2_1 v_np4_1 (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (not v_np1_1) (not v_np12_1) (not v_np13_1)) (and v_np18_1 (not v_np15_1) (not v_np2_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (or (and (or (<= (+ ora_0 cmp_7) ora_2) (<= ora_0 ora_2)) (or (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2))) (and (or (<= 1 cmp_8) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (or (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2)) (<= ora_0 (+ cmp_8 ora_2))))) (not v_np5_1) (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) v_np7_1 (not v_np1_1) v_np13_1 (not v_np12_1) (not v_np4_1)) (and v_np18_1 (not v_np15_1) (not v_np2_1) (not v_np9_1) (not v_np1_1) (not v_np5_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np7_1)) (and v_np1_1 v_np18_1 (not v_np15_1) (not v_np2_1) (not v_np9_1) v_np12_1 (not v_np5_1) (not v_np13_1) (not v_np4_1) (not v_np7_1)) (and v_np18_1 (not v_np15_1) (not v_np2_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (or (and (or (<= (+ ora_0 cmp_7) ora_2) (<= ora_0 ora_2)) (or (<= (+ cmp_7 volume_totale_1) (+ cmp_8 volume_totale_3)) (<= (+ ora_2 1) ora_0) (<= (+ ora_0 1) ora_2))) (and (or (<= 1 cmp_8) (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2))) (or (<= (+ ora_0 cmp_7) (+ cmp_8 ora_2)) (<= ora_0 (+ cmp_8 ora_2))))) (not v_np5_1) v_np4_1 (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) v_np7_1 (not v_np1_1) (not v_np12_1) (not v_np13_1)) (and v_np18_1 (not v_np15_1) (not v_np2_1) (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (not v_np1_1) v_np12_1 v_np13_1 (not v_np5_1) (not v_np4_1) (not v_np7_1)) (and v_np18_1 (not v_np15_1) v_np4_1 (not v_np2_1) (not v_np9_1) (or (and (or (<= (+ ora_4 1) ora_0) (< ora_0 ora_4)) (= (+ cmp_8 ora_4) ora_0)) (and (= (+ cmp_8 volume_totale_5) volume_totale_1) (<= ora_0 ora_4) (<= ora_4 ora_0))) (not v_np1_1) v_np12_1 (not v_np5_1) (not v_np13_1) (not v_np7_1)) (and v_np1_1 v_np18_1 v_np2_1 (not v_np15_1) (not v_np9_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) (not v_np5_1) (not v_np12_1) (not v_np13_1) (not v_np4_1) (not v_np7_1)) (and v_np1_1 v_np18_1 (not v_np15_1) (not v_np2_1) (not v_np9_1) (or (= (+ cmp_7 ora_4) ora_2) (and (<= ora_2 ora_4) (= (+ cmp_7 volume_totale_5) volume_totale_3) (<= ora_4 ora_2))) v_np7_1 (not v_np5_1) (not v_np12_1) (not v_np13_1) (not v_np4_1)) (and v_np18_1 (not v_np15_1) (not v_np2_1) (not v_np9_1) (not v_np1_1) v_np12_1 (not v_np5_1) (not v_np13_1) (not v_np4_1) (not v_np7_1))) [2021-08-13 13:20:59,772 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 56589130ns [2021-08-13 13:20:59,773 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) [2021-08-13 13:20:59,775 INFO L168 Benchmark]: Toolchain (without parser) took 45798.69 ms. Allocated memory was 200.3 MB in the beginning and 431.0 MB in the end (delta: 230.7 MB). Free memory was 181.3 MB in the beginning and 338.0 MB in the end (delta: -156.7 MB). Peak memory consumption was 74.4 MB. Max. memory is 8.0 GB. [2021-08-13 13:20:59,776 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 200.3 MB. Free memory is still 182.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 13:20:59,776 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.35 ms. Allocated memory is still 200.3 MB. Free memory was 181.2 MB in the beginning and 179.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 13:20:59,776 INFO L168 Benchmark]: Boogie Preprocessor took 11.50 ms. Allocated memory is still 200.3 MB. Free memory was 179.7 MB in the beginning and 178.9 MB in the end (delta: 834.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 13:20:59,777 INFO L168 Benchmark]: RCFGBuilder took 307.59 ms. Allocated memory is still 200.3 MB. Free memory was 178.8 MB in the beginning and 166.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-13 13:20:59,777 INFO L168 Benchmark]: TraceAbstraction took 45439.69 ms. Allocated memory was 200.3 MB in the beginning and 431.0 MB in the end (delta: 230.7 MB). Free memory was 166.3 MB in the beginning and 338.0 MB in the end (delta: -171.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 8.0 GB. [2021-08-13 13:20:59,779 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 0.13 ms. Allocated memory is still 200.3 MB. Free memory is still 182.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 35.35 ms. Allocated memory is still 200.3 MB. Free memory was 181.2 MB in the beginning and 179.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.50 ms. Allocated memory is still 200.3 MB. Free memory was 179.7 MB in the beginning and 178.9 MB in the end (delta: 834.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 307.59 ms. Allocated memory is still 200.3 MB. Free memory was 178.8 MB in the beginning and 166.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 45439.69 ms. Allocated memory was 200.3 MB in the beginning and 431.0 MB in the end (delta: 230.7 MB). Free memory was 166.3 MB in the beginning and 338.0 MB in the end (delta: -171.7 MB). Peak memory consumption was 59.7 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...