/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 23:51:50,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 23:51:50,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 23:51:50,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-14 23:51:50,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-14 23:51:50,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-14 23:51:50,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-14 23:51:50,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-14 23:51:50,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-14 23:51:50,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-14 23:51:50,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-14 23:51:50,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-14 23:51:50,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 23:51:50,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 23:51:50,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 23:51:50,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 23:51:50,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 23:51:50,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 23:51:50,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 23:51:50,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 23:51:50,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 23:51:50,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 23:51:50,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 23:51:50,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 23:51:50,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-14 23:51:50,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-14 23:51:50,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-14 23:51:50,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-14 23:51:50,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-14 23:51:50,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-14 23:51:50,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-14 23:51:50,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-14 23:51:50,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-14 23:51:50,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-14 23:51:50,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-14 23:51:50,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-14 23:51:50,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-14 23:51:50,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-14 23:51:50,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 23:51:50,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 23:51:50,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 23:51:50,986 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-06-14 23:51:51,013 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 23:51:51,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 23:51:51,014 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 23:51:51,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 23:51:51,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 23:51:51,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 23:51:51,016 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 23:51:51,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 23:51:51,016 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 23:51:51,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 23:51:51,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 23:51:51,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 23:51:51,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 23:51:51,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 23:51:51,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 23:51:51,017 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 23:51:51,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 23:51:51,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 23:51:51,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 23:51:51,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 23:51:51,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 23:51:51,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 23:51:51,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 23:51:51,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 23:51:51,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 23:51:51,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 23:51:51,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 23:51:51,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 23:51:51,018 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 23:51:51,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 23:51:51,019 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 23:51:51,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 23:51:51,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 23:51:51,019 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 23:51:51,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 23:51:51,019 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 23:51:51,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 23:51:51,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 23:51:51,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 23:51:51,278 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 23:51:51,279 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 23:51:51,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl [2021-06-14 23:51:51,280 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/name-comparator-subst.wvr.bpl' [2021-06-14 23:51:51,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 23:51:51,311 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 23:51:51,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 23:51:51,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 23:51:51,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 23:51:51,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 11:51:51" (1/1) ... [2021-06-14 23:51:51,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 11:51:51" (1/1) ... [2021-06-14 23:51:51,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 23:51:51,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 23:51:51,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 23:51:51,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 23:51:51,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 11:51:51" (1/1) ... [2021-06-14 23:51:51,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 11:51:51" (1/1) ... [2021-06-14 23:51:51,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 11:51:51" (1/1) ... [2021-06-14 23:51:51,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 11:51:51" (1/1) ... [2021-06-14 23:51:51,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 11:51:51" (1/1) ... [2021-06-14 23:51:51,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 11:51:51" (1/1) ... [2021-06-14 23:51:51,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 11:51:51" (1/1) ... [2021-06-14 23:51:51,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 23:51:51,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 23:51:51,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 23:51:51,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 23:51:51,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 11:51:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 23:51:51,414 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 23:51:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 23:51:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 23:51:51,414 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 23:51:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 23:51:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 23:51:51,414 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 23:51:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 23:51:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 23:51:51,415 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-14 23:51:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-14 23:51:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-14 23:51:51,415 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 23:51:51,781 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 23:51:51,781 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-14 23:51:51,782 INFO L202 PluginConnector]: Adding new model name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:51:51 BoogieIcfgContainer [2021-06-14 23:51:51,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 23:51:51,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 23:51:51,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 23:51:51,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 23:51:51,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 11:51:51" (1/2) ... [2021-06-14 23:51:51,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc673b6 and model type name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:51:51, skipping insertion in model container [2021-06-14 23:51:51,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "name-comparator-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:51:51" (2/2) ... [2021-06-14 23:51:51,787 INFO L111 eAbstractionObserver]: Analyzing ICFG name-comparator-subst.wvr.bpl [2021-06-14 23:51:51,791 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 23:51:51,791 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 23:51:51,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 23:51:51,791 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 23:51:51,830 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-14 23:51:51,843 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 23:51:51,914 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 23:51:51,914 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 23:51:51,914 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 23:51:51,914 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 23:51:51,915 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 23:51:51,915 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 23:51:51,915 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 23:51:51,915 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 23:51:52,002 WARN L313 ript$VariableManager]: TermVariabe v_break_7_54 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 23:51:52,040 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Guarantee of compatibility failed at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:142) at java.base/java.util.TimSort.countRunAndMakeAscending(TimSort.java:355) at java.base/java.util.TimSort.sort(TimSort.java:220) at java.base/java.util.Arrays.sort(Arrays.java:1515) at java.base/java.util.ArrayList.sort(ArrayList.java:1750) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:147) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:422) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) 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:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) 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) [2021-06-14 23:51:52,045 INFO L168 Benchmark]: Toolchain (without parser) took 732.97 ms. Allocated memory is still 208.7 MB. Free memory was 188.6 MB in the beginning and 174.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 8.0 GB. [2021-06-14 23:51:52,046 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 208.7 MB. Free memory was 189.9 MB in the beginning and 189.8 MB in the end (delta: 132.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 23:51:52,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.75 ms. Allocated memory is still 208.7 MB. Free memory was 188.5 MB in the beginning and 187.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 23:51:52,047 INFO L168 Benchmark]: Boogie Preprocessor took 26.68 ms. Allocated memory is still 208.7 MB. Free memory was 186.9 MB in the beginning and 185.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 23:51:52,048 INFO L168 Benchmark]: RCFGBuilder took 422.42 ms. Allocated memory is still 208.7 MB. Free memory was 185.9 MB in the beginning and 189.9 MB in the end (delta: -4.0 MB). Peak memory consumption was 31.4 MB. Max. memory is 8.0 GB. [2021-06-14 23:51:52,049 INFO L168 Benchmark]: TraceAbstraction took 259.35 ms. Allocated memory is still 208.7 MB. Free memory was 189.4 MB in the beginning and 174.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-06-14 23:51:52,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 208.7 MB. Free memory was 189.9 MB in the beginning and 189.8 MB in the end (delta: 132.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.75 ms. Allocated memory is still 208.7 MB. Free memory was 188.5 MB in the beginning and 187.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.68 ms. Allocated memory is still 208.7 MB. Free memory was 186.9 MB in the beginning and 185.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 422.42 ms. Allocated memory is still 208.7 MB. Free memory was 185.9 MB in the beginning and 189.9 MB in the end (delta: -4.0 MB). Peak memory consumption was 31.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 259.35 ms. Allocated memory is still 208.7 MB. Free memory was 189.4 MB in the beginning and 174.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Guarantee of compatibility failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Guarantee of compatibility failed: de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompliantDfsOrder.lambda$0(PersistentSetReduction.java:142) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...