/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/parallel/parallel-sum-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 14:07:23,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 14:07:23,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 14:07:23,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 14:07:23,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 14:07:23,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 14:07:23,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 14:07:23,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 14:07:23,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 14:07:23,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 14:07:23,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 14:07:23,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 14:07:23,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 14:07:23,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 14:07:23,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 14:07:23,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 14:07:23,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 14:07:23,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 14:07:23,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 14:07:23,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 14:07:23,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 14:07:23,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 14:07:23,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 14:07:23,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 14:07:23,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 14:07:23,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 14:07:23,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 14:07:23,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 14:07:23,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 14:07:23,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 14:07:23,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 14:07:23,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 14:07:23,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 14:07:23,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 14:07:23,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 14:07:23,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 14:07:23,650 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 [2021-07-10 14:07:23,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 14:07:23,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 14:07:23,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 14:07:23,681 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 14:07:23,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 14:07:23,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 14:07:23,682 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 14:07:23,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 14:07:23,683 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 14:07:23,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 14:07:23,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 14:07:23,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 14:07:23,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 14:07:23,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 14:07:23,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 14:07:23,684 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 14:07:23,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 14:07:23,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 14:07:23,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 14:07:23,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 14:07:23,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 14:07:23,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 14:07:23,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 14:07:23,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 14:07:23,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 14:07:23,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 14:07:23,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 14:07:23,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 14:07:23,686 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 14:07:23,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 14:07:23,686 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 14:07:23,686 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 14:07:23,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 14:07:23,687 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 14:07:23,687 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 14:07:23,687 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 14:07:23,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 14:07:24,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 14:07:24,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 14:07:24,003 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 14:07:24,004 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 14:07:24,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2021-07-10 14:07:24,005 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2021-07-10 14:07:24,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 14:07:24,032 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 14:07:24,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 14:07:24,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 14:07:24,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 14:07:24,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:07:24" (1/1) ... [2021-07-10 14:07:24,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:07:24" (1/1) ... [2021-07-10 14:07:24,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 14:07:24,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 14:07:24,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 14:07:24,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 14:07:24,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:07:24" (1/1) ... [2021-07-10 14:07:24,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:07:24" (1/1) ... [2021-07-10 14:07:24,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:07:24" (1/1) ... [2021-07-10 14:07:24,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:07:24" (1/1) ... [2021-07-10 14:07:24,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:07:24" (1/1) ... [2021-07-10 14:07:24,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:07:24" (1/1) ... [2021-07-10 14:07:24,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:07:24" (1/1) ... [2021-07-10 14:07:24,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 14:07:24,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 14:07:24,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 14:07:24,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 14:07:24,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:07:24" (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 [2021-07-10 14:07:24,154 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 14:07:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 14:07:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 14:07:24,155 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 14:07:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 14:07:24,155 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 14:07:24,157 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 14:07:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 14:07:24,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 14:07:24,157 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 14:07:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 14:07:24,157 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 14:07:24,158 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-10 14:07:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-10 14:07:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-10 14:07:24,159 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 14:07:24,470 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 14:07:24,471 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-07-10 14:07:24,471 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 14:07:24,472 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-07-10 14:07:24,472 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2021-07-10 14:07:24,473 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:07:24 BoogieIcfgContainer [2021-07-10 14:07:24,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 14:07:24,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 14:07:24,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 14:07:24,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 14:07:24,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 02:07:24" (1/2) ... [2021-07-10 14:07:24,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129382ef and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:07:24, skipping insertion in model container [2021-07-10 14:07:24,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:07:24" (2/2) ... [2021-07-10 14:07:24,479 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2021-07-10 14:07:24,490 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 14:07:24,490 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 14:07:24,490 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 14:07:24,491 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 14:07:24,588 INFO L149 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2021-07-10 14:07:24,610 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 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 [2021-07-10 14:07:24,669 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 14:07:24,669 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 14:07:24,669 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 14:07:24,669 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 14:07:24,669 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 14:07:24,669 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 14:07:24,669 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 14:07:24,670 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork0======== [2021-07-10 14:07:24,887 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE (1/2) [2021-07-10 14:07:24,888 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 14:07:24,895 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 14:07:24,895 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 14:07:24,895 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 14:07:24,895 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 14:07:24,895 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 14:07:24,895 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 14:07:24,895 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 14:07:24,895 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 14:07:24,948 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: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:182) 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) [2021-07-10 14:07:24,951 INFO L168 Benchmark]: Toolchain (without parser) took 921.70 ms. Allocated memory is still 192.9 MB. Free memory was 172.6 MB in the beginning and 168.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.8 MB. Max. memory is 8.0 GB. [2021-07-10 14:07:24,951 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 192.9 MB. Free memory is still 173.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 14:07:24,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.89 ms. Allocated memory is still 192.9 MB. Free memory was 172.4 MB in the beginning and 171.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 14:07:24,953 INFO L168 Benchmark]: Boogie Preprocessor took 19.19 ms. Allocated memory is still 192.9 MB. Free memory was 171.1 MB in the beginning and 170.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 14:07:24,953 INFO L168 Benchmark]: RCFGBuilder took 393.94 ms. Allocated memory is still 192.9 MB. Free memory was 170.0 MB in the beginning and 154.3 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-07-10 14:07:24,954 INFO L168 Benchmark]: TraceAbstraction took 474.61 ms. Allocated memory is still 192.9 MB. Free memory was 153.7 MB in the beginning and 168.9 MB in the end (delta: -15.2 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 14:07:24,956 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 0.12 ms. Allocated memory is still 192.9 MB. Free memory is still 173.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.89 ms. Allocated memory is still 192.9 MB. Free memory was 172.4 MB in the beginning and 171.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.19 ms. Allocated memory is still 192.9 MB. Free memory was 171.1 MB in the beginning and 170.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 393.94 ms. Allocated memory is still 192.9 MB. Free memory was 170.0 MB in the beginning and 154.3 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 474.61 ms. Allocated memory is still 192.9 MB. Free memory was 153.7 MB in the beginning and 168.9 MB in the end (delta: -15.2 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 573, positive: 556, positive conditional: 28, positive unconditional: 528, negative: 17, negative conditional: 10, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 563, positive: 556, positive conditional: 28, positive unconditional: 528, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 563, positive: 556, positive conditional: 0, positive unconditional: 556, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 379, positive: 372, positive conditional: 0, positive unconditional: 372, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 379, positive: 371, positive conditional: 0, positive unconditional: 371, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 563, positive: 184, positive conditional: 0, positive unconditional: 184, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 379, unknown conditional: 0, unknown unconditional: 379] , Statistics on independence cache: Total cache size (in pairs): 379, Positive cache size: 372, Positive conditional cache size: 0, Positive unconditional cache size: 372, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 ], Maximal queried relation: 0, Independence queries for same thread: 10 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 165, Number of persistent set computation: 22, Number of trivial persistent sets: 16, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 573, positive: 556, positive conditional: 28, positive unconditional: 528, negative: 17, negative conditional: 10, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 563, positive: 556, positive conditional: 28, positive unconditional: 528, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 563, positive: 556, positive conditional: 0, positive unconditional: 556, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 379, positive: 372, positive conditional: 0, positive unconditional: 372, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 379, positive: 371, positive conditional: 0, positive unconditional: 371, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 563, positive: 184, positive conditional: 0, positive unconditional: 184, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 379, unknown conditional: 0, unknown unconditional: 379] , Statistics on independence cache: Total cache size (in pairs): 379, Positive cache size: 372, Positive conditional cache size: 0, Positive unconditional cache size: 372, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 ], Maximal queried relation: 0, Independence queries for same thread: 10 - 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:137) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...