/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-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 23:58:36,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 23:58:36,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 23:58:36,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 23:58:36,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 23:58:36,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 23:58:36,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 23:58:36,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 23:58:36,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 23:58:36,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 23:58:36,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 23:58:36,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 23:58:36,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 23:58:36,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 23:58:36,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 23:58:36,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 23:58:36,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 23:58:36,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 23:58:36,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 23:58:36,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 23:58:36,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 23:58:36,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 23:58:36,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 23:58:36,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 23:58:36,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 23:58:36,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 23:58:36,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 23:58:36,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 23:58:36,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 23:58:36,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 23:58:36,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 23:58:36,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 23:58:36,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 23:58:36,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 23:58:36,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 23:58:36,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 23:58:36,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 23:58:36,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 23:58:36,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 23:58:36,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 23:58:36,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 23:58:36,776 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-Random7777.epf [2021-07-14 23:58:36,813 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 23:58:36,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 23:58:36,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 23:58:36,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 23:58:36,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 23:58:36,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 23:58:36,817 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 23:58:36,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 23:58:36,817 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 23:58:36,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 23:58:36,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 23:58:36,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 23:58:36,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 23:58:36,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 23:58:36,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 23:58:36,819 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 23:58:36,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 23:58:36,819 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 23:58:36,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 23:58:36,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 23:58:36,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 23:58:36,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 23:58:36,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 23:58:36,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 23:58:36,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 23:58:36,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 23:58:36,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 23:58:36,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 23:58:36,821 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 23:58:36,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 23:58:36,821 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 23:58:36,821 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 23:58:36,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 23:58:36,822 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 23:58:36,822 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 23:58:36,822 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 23:58:37,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 23:58:37,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 23:58:37,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 23:58:37,190 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 23:58:37,192 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 23:58:37,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl [2021-07-14 23:58:37,193 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl' [2021-07-14 23:58:37,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 23:58:37,220 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 23:58:37,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 23:58:37,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 23:58:37,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 23:58:37,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:58:37" (1/1) ... [2021-07-14 23:58:37,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:58:37" (1/1) ... [2021-07-14 23:58:37,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 23:58:37,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 23:58:37,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 23:58:37,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 23:58:37,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:58:37" (1/1) ... [2021-07-14 23:58:37,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:58:37" (1/1) ... [2021-07-14 23:58:37,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:58:37" (1/1) ... [2021-07-14 23:58:37,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:58:37" (1/1) ... [2021-07-14 23:58:37,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:58:37" (1/1) ... [2021-07-14 23:58:37,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:58:37" (1/1) ... [2021-07-14 23:58:37,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:58:37" (1/1) ... [2021-07-14 23:58:37,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 23:58:37,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 23:58:37,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 23:58:37,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 23:58:37,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:58:37" (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 [2021-07-14 23:58:37,346 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 23:58:37,346 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 23:58:37,346 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 23:58:37,347 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 23:58:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 23:58:37,347 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 23:58:37,347 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 23:58:37,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 23:58:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 23:58:37,349 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 23:58:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 23:58:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 23:58:37,349 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-14 23:58:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-14 23:58:37,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-14 23:58:37,350 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-07-14 23:58:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-07-14 23:58:37,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-07-14 23:58:37,352 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 23:58:37,535 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 23:58:37,536 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 23:58:37,538 INFO L202 PluginConnector]: Adding new model min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:58:37 BoogieIcfgContainer [2021-07-14 23:58:37,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 23:58:37,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 23:58:37,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 23:58:37,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 23:58:37,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:58:37" (1/2) ... [2021-07-14 23:58:37,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f315b4 and model type min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:58:37, skipping insertion in model container [2021-07-14 23:58:37,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:58:37" (2/2) ... [2021-07-14 23:58:37,545 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-inc-dec.wvr.bpl [2021-07-14 23:58:37,549 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 23:58:37,550 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 23:58:37,550 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 23:58:37,551 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 23:58:37,631 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-07-14 23:58:37,665 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 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 [2021-07-14 23:58:37,725 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 23:58:37,725 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 23:58:37,725 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 23:58:37,725 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 23:58:37,725 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 23:58:37,725 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 23:58:37,725 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 23:58:37,725 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 23:58:38,045 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$CompatibleDfsOrder.lambda$0(PersistentSetReduction.java:137) at java.base/java.util.TimSort.countRunAndMakeAscending(TimSort.java:360) 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:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) 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:367) 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) [2021-07-14 23:58:38,051 INFO L168 Benchmark]: Toolchain (without parser) took 829.37 ms. Allocated memory is still 278.9 MB. Free memory was 258.5 MB in the beginning and 244.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 8.0 GB. [2021-07-14 23:58:38,052 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 278.9 MB. Free memory is still 259.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 23:58:38,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.70 ms. Allocated memory is still 278.9 MB. Free memory was 258.4 MB in the beginning and 257.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 23:58:38,054 INFO L168 Benchmark]: Boogie Preprocessor took 17.72 ms. Allocated memory is still 278.9 MB. Free memory was 257.0 MB in the beginning and 255.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 23:58:38,055 INFO L168 Benchmark]: RCFGBuilder took 265.72 ms. Allocated memory is still 278.9 MB. Free memory was 255.8 MB in the beginning and 241.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-14 23:58:38,056 INFO L168 Benchmark]: TraceAbstraction took 509.03 ms. Allocated memory is still 278.9 MB. Free memory was 240.7 MB in the beginning and 244.9 MB in the end (delta: -4.2 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 23:58:38,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 278.9 MB. Free memory is still 259.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.70 ms. Allocated memory is still 278.9 MB. Free memory was 258.4 MB in the beginning and 257.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.72 ms. Allocated memory is still 278.9 MB. Free memory was 257.0 MB in the beginning and 255.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 265.72 ms. Allocated memory is still 278.9 MB. Free memory was 255.8 MB in the beginning and 241.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 509.03 ms. Allocated memory is still 278.9 MB. Free memory was 240.7 MB in the beginning and 244.9 MB in the end (delta: -4.2 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Guarantee of compatibility failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Guarantee of compatibility failed: de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompatibleDfsOrder.lambda$0(PersistentSetReduction.java:137) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...