/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 22:44:11,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 22:44:11,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 22:44:11,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 22:44:11,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 22:44:11,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 22:44:11,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 22:44:11,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 22:44:11,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 22:44:11,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 22:44:11,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 22:44:11,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 22:44:11,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 22:44:11,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 22:44:11,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 22:44:11,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 22:44:11,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 22:44:11,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 22:44:11,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 22:44:11,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 22:44:11,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 22:44:11,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 22:44:11,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 22:44:11,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 22:44:11,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 22:44:11,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 22:44:11,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 22:44:11,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 22:44:11,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 22:44:11,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 22:44:11,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 22:44:11,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 22:44:11,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 22:44:11,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 22:44:11,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 22:44:11,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 22:44:11,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 22:44:11,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 22:44:11,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 22:44:11,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 22:44:11,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 22:44:11,349 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-Random521.epf [2021-07-14 22:44:11,390 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 22:44:11,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 22:44:11,391 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 22:44:11,391 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 22:44:11,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 22:44:11,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 22:44:11,394 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 22:44:11,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 22:44:11,394 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 22:44:11,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 22:44:11,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 22:44:11,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 22:44:11,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 22:44:11,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 22:44:11,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 22:44:11,396 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 22:44:11,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 22:44:11,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 22:44:11,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 22:44:11,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 22:44:11,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 22:44:11,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 22:44:11,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 22:44:11,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 22:44:11,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 22:44:11,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 22:44:11,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 22:44:11,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 22:44:11,398 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 22:44:11,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 22:44:11,398 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 22:44:11,398 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 22:44:11,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 22:44:11,399 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 22:44:11,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 22:44:11,399 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 22:44:11,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 22:44:11,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 22:44:11,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 22:44:11,706 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 22:44:11,707 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 22:44:11,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl [2021-07-14 22:44:11,708 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl' [2021-07-14 22:44:11,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 22:44:11,733 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 22:44:11,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 22:44:11,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 22:44:11,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 22:44:11,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:11" (1/1) ... [2021-07-14 22:44:11,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:11" (1/1) ... [2021-07-14 22:44:11,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 22:44:11,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 22:44:11,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 22:44:11,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 22:44:11,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:11" (1/1) ... [2021-07-14 22:44:11,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:11" (1/1) ... [2021-07-14 22:44:11,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:11" (1/1) ... [2021-07-14 22:44:11,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:11" (1/1) ... [2021-07-14 22:44:11,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:11" (1/1) ... [2021-07-14 22:44:11,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:11" (1/1) ... [2021-07-14 22:44:11,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:11" (1/1) ... [2021-07-14 22:44:11,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 22:44:11,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 22:44:11,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 22:44:11,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 22:44:11,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:11" (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 22:44:11,840 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 22:44:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 22:44:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 22:44:11,841 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 22:44:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 22:44:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 22:44:11,841 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 22:44:11,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 22:44:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 22:44:11,842 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 22:44:11,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 22:44:11,842 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 22:44:11,842 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-14 22:44:11,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-14 22:44:11,842 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-14 22:44:11,842 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-07-14 22:44:11,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-07-14 22:44:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-07-14 22:44:11,843 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-07-14 22:44:11,843 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-07-14 22:44:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-07-14 22:44:11,844 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2021-07-14 22:44:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2021-07-14 22:44:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2021-07-14 22:44:11,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2021-07-14 22:44:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2021-07-14 22:44:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2021-07-14 22:44:11,846 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 22:44:12,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 22:44:12,154 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 22:44:12,156 INFO L202 PluginConnector]: Adding new model ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:44:12 BoogieIcfgContainer [2021-07-14 22:44:12,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 22:44:12,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 22:44:12,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 22:44:12,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 22:44:12,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 10:44:11" (1/2) ... [2021-07-14 22:44:12,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d365f6 and model type ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 10:44:12, skipping insertion in model container [2021-07-14 22:44:12,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 10:44:12" (2/2) ... [2021-07-14 22:44:12,163 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-8.wvr.bpl [2021-07-14 22:44:12,184 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 22:44:12,184 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 22:44:12,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 22:44:12,185 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 22:44:12,327 INFO L149 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2021-07-14 22:44:12,346 INFO L255 AbstractCegarLoop]: Starting to check reachability of 9 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 22:44:12,416 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 22:44:12,416 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 22:44:12,416 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 22:44:12,416 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 22:44:12,417 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 22:44:12,417 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 22:44:12,417 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 22:44:12,417 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 22:44:12,781 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: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: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 22:44:12,790 INFO L168 Benchmark]: Toolchain (without parser) took 1053.71 ms. Allocated memory is still 188.7 MB. Free memory was 167.8 MB in the beginning and 145.5 MB in the end (delta: 22.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 8.0 GB. [2021-07-14 22:44:12,791 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 188.7 MB. Free memory is still 169.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 22:44:12,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.01 ms. Allocated memory is still 188.7 MB. Free memory was 167.7 MB in the beginning and 166.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 22:44:12,793 INFO L168 Benchmark]: Boogie Preprocessor took 15.12 ms. Allocated memory is still 188.7 MB. Free memory was 166.2 MB in the beginning and 165.2 MB in the end (delta: 946.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 22:44:12,793 INFO L168 Benchmark]: RCFGBuilder took 374.93 ms. Allocated memory is still 188.7 MB. Free memory was 165.1 MB in the beginning and 145.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-07-14 22:44:12,794 INFO L168 Benchmark]: TraceAbstraction took 627.56 ms. Allocated memory is still 188.7 MB. Free memory was 145.4 MB in the beginning and 145.5 MB in the end (delta: -118.8 kB). Peak memory consumption was 1.5 MB. Max. memory is 8.0 GB. [2021-07-14 22:44:12,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 188.7 MB. Free memory is still 169.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.01 ms. Allocated memory is still 188.7 MB. Free memory was 167.7 MB in the beginning and 166.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.12 ms. Allocated memory is still 188.7 MB. Free memory was 166.2 MB in the beginning and 165.2 MB in the end (delta: 946.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 374.93 ms. Allocated memory is still 188.7 MB. Free memory was 165.1 MB in the beginning and 145.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 627.56 ms. Allocated memory is still 188.7 MB. Free memory was 145.4 MB in the beginning and 145.5 MB in the end (delta: -118.8 kB). Peak memory consumption was 1.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Guarantee of compatibility failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Guarantee of compatibility failed: de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompatibleDfsOrder.lambda$0(PersistentSetReduction.java:137) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...