/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 21:06:23,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 21:06:23,957 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 21:06:23,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 21:06:23,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 21:06:23,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 21:06:23,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 21:06:23,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 21:06:23,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 21:06:23,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 21:06:23,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 21:06:23,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 21:06:23,984 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 21:06:23,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 21:06:23,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 21:06:23,989 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 21:06:23,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 21:06:23,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 21:06:23,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 21:06:23,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 21:06:23,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 21:06:23,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 21:06:23,991 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 21:06:23,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 21:06:23,992 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 21:06:23,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 21:06:23,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 21:06:23,992 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 21:06:23,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 21:06:23,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 21:06:23,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 21:06:23,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 21:06:23,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 21:06:23,995 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 21:06:23,995 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 21:06:23,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 21:06:23,995 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 21:06:23,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 21:06:23,995 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 21:06:23,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-05 21:06:24,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 21:06:24,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 21:06:24,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 21:06:24,259 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 21:06:24,260 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 21:06:24,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-04-05 21:06:25,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 21:06:25,583 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 21:06:25,584 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-04-05 21:06:25,590 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/128ed01c9/80e4e02ac12e4eaaad8cd93ca35db83e/FLAG1bf71c147 [2024-04-05 21:06:25,601 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/128ed01c9/80e4e02ac12e4eaaad8cd93ca35db83e [2024-04-05 21:06:25,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 21:06:25,604 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 21:06:25,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 21:06:25,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 21:06:25,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 21:06:25,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 09:06:25" (1/1) ... [2024-04-05 21:06:25,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7748cfb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25, skipping insertion in model container [2024-04-05 21:06:25,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 09:06:25" (1/1) ... [2024-04-05 21:06:25,633 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 21:06:25,773 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2024-04-05 21:06:25,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 21:06:25,785 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 21:06:25,803 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2024-04-05 21:06:25,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 21:06:25,810 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 21:06:25,811 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 21:06:25,817 INFO L206 MainTranslator]: Completed translation [2024-04-05 21:06:25,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25 WrapperNode [2024-04-05 21:06:25,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 21:06:25,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 21:06:25,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 21:06:25,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 21:06:25,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25" (1/1) ... [2024-04-05 21:06:25,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25" (1/1) ... [2024-04-05 21:06:25,874 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-04-05 21:06:25,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 21:06:25,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 21:06:25,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 21:06:25,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 21:06:25,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25" (1/1) ... [2024-04-05 21:06:25,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25" (1/1) ... [2024-04-05 21:06:25,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25" (1/1) ... [2024-04-05 21:06:25,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25" (1/1) ... [2024-04-05 21:06:25,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25" (1/1) ... [2024-04-05 21:06:25,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25" (1/1) ... [2024-04-05 21:06:25,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25" (1/1) ... [2024-04-05 21:06:25,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25" (1/1) ... [2024-04-05 21:06:25,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 21:06:25,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 21:06:25,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 21:06:25,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 21:06:25,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25" (1/1) ... [2024-04-05 21:06:25,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 21:06:25,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:06:25,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 21:06:25,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 21:06:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 21:06:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 21:06:26,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 21:06:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 21:06:26,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 21:06:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 21:06:26,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 21:06:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 21:06:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 21:06:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 21:06:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 21:06:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 21:06:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 21:06:26,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 21:06:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 21:06:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 21:06:26,005 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 21:06:26,130 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 21:06:26,132 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 21:06:26,341 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 21:06:26,393 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 21:06:26,394 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-05 21:06:26,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 09:06:26 BoogieIcfgContainer [2024-04-05 21:06:26,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 21:06:26,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 21:06:26,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 21:06:26,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 21:06:26,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 09:06:25" (1/3) ... [2024-04-05 21:06:26,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c2e57ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 09:06:26, skipping insertion in model container [2024-04-05 21:06:26,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:06:25" (2/3) ... [2024-04-05 21:06:26,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c2e57ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 09:06:26, skipping insertion in model container [2024-04-05 21:06:26,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 09:06:26" (3/3) ... [2024-04-05 21:06:26,417 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-04-05 21:06:26,422 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 21:06:26,429 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 21:06:26,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 21:06:26,429 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 21:06:26,492 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 21:06:26,529 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 21:06:26,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 21:06:26,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:06:26,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 21:06:26,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 21:06:26,562 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 21:06:26,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:06:26,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 21:06:26,581 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@425a190e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 21:06:26,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 21:06:27,933 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:06:27,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:06:27,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1121987728, now seen corresponding path program 1 times [2024-04-05 21:06:27,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:06:27,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8951931] [2024-04-05 21:06:27,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:06:27,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:06:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:06:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-05 21:06:28,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:06:28,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8951931] [2024-04-05 21:06:28,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8951931] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:06:28,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:06:28,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 21:06:28,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837679587] [2024-04-05 21:06:28,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:06:28,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 21:06:28,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:06:28,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 21:06:28,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 21:06:28,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:06:28,312 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:06:28,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:06:28,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:06:28,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:06:28,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 21:06:28,412 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:06:28,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:06:28,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1005987980, now seen corresponding path program 1 times [2024-04-05 21:06:28,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:06:28,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622082043] [2024-04-05 21:06:28,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:06:28,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:06:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:06:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 21:06:29,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:06:29,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622082043] [2024-04-05 21:06:29,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622082043] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:06:29,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:06:29,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 21:06:29,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506861509] [2024-04-05 21:06:29,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:06:29,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 21:06:29,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:06:29,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 21:06:29,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-04-05 21:06:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:06:29,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:06:29,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:06:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:06:29,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:06:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:06:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 21:06:29,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 21:06:29,391 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:06:29,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:06:29,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1498311593, now seen corresponding path program 1 times [2024-04-05 21:06:29,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:06:29,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21659954] [2024-04-05 21:06:29,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:06:29,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:06:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:06:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:06:31,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:06:31,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21659954] [2024-04-05 21:06:31,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21659954] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:06:31,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202470041] [2024-04-05 21:06:31,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:06:31,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:06:31,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:06:31,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:06:31,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 21:06:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:06:31,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 21:06:31,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:06:32,664 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 21:06:32,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:06:34,687 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:06:34,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202470041] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:06:34,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:06:34,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 33 [2024-04-05 21:06:34,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075640699] [2024-04-05 21:06:34,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:06:34,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-05 21:06:34,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:06:34,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-05 21:06:34,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=894, Unknown=0, NotChecked=0, Total=1056 [2024-04-05 21:06:34,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:06:34,694 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:06:34,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.484848484848484) internal successors, (148), 33 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:06:34,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:06:34,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 21:06:34,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:06:57,893 INFO L85 PathProgramCache]: Analyzing trace with hash 31103900, now seen corresponding path program 1 times [2024-04-05 21:06:57,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:06:57,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:06:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:07:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 59 proven. 108 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 21:07:02,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:07:02,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:07:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:07:06,966 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 11 proven. 140 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-04-05 21:07:07,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:07:07,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 21:07:07,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-05 21:07:07,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 21:07:07,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-04-05 21:07:07,363 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:07:07,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:07:07,364 INFO L85 PathProgramCache]: Analyzing trace with hash -541022233, now seen corresponding path program 2 times [2024-04-05 21:07:07,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:07:07,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582343163] [2024-04-05 21:07:07,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:07:07,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:07:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:07:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 130 proven. 76 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-04-05 21:07:12,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:07:12,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582343163] [2024-04-05 21:07:12,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582343163] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:07:12,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534621551] [2024-04-05 21:07:12,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 21:07:12,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:07:12,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:07:12,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:07:12,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 21:07:12,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 21:07:12,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:07:12,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-05 21:07:12,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:07:12,728 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 81 proven. 49 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-04-05 21:07:12,728 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:07:12,945 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 86 proven. 1 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-04-05 21:07:12,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534621551] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:07:12,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:07:12,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 9, 6] total 37 [2024-04-05 21:07:12,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10835206] [2024-04-05 21:07:12,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:07:12,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-05 21:07:12,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:07:12,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-05 21:07:12,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1214, Unknown=0, NotChecked=0, Total=1332 [2024-04-05 21:07:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:07:12,950 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:07:12,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.108108108108108) internal successors, (189), 37 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:07:12,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:07:12,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 21:07:12,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-05 21:07:12,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:07:57,246 INFO L85 PathProgramCache]: Analyzing trace with hash 437129095, now seen corresponding path program 2 times [2024-04-05 21:07:57,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:07:57,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:07:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:08:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 35 proven. 204 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 21:08:03,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:08:03,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:08:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:08:08,619 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 106 proven. 133 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 21:08:10,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:08:10,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-05 21:08:10,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-05 21:08:10,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-04-05 21:08:10,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 21:08:10,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:08:10,501 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 21:08:10,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:08:10,502 INFO L85 PathProgramCache]: Analyzing trace with hash 308048458, now seen corresponding path program 3 times [2024-04-05 21:08:10,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:08:10,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466734601] [2024-04-05 21:08:10,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:08:10,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:08:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:08:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 156 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-04-05 21:08:12,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:08:12,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466734601] [2024-04-05 21:08:12,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466734601] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:08:12,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704824234] [2024-04-05 21:08:12,404 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 21:08:12,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:08:12,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:08:12,406 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:08:12,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 21:08:12,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-04-05 21:08:12,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:08:12,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-05 21:08:12,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:10:03,796 WARN L293 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 21:10:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 156 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-04-05 21:10:03,837 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:10:16,043 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 10 proven. 305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:10:16,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704824234] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:10:16,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:10:16,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 33, 50] total 101 [2024-04-05 21:10:16,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017389636] [2024-04-05 21:10:16,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:10:16,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-04-05 21:10:16,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:10:16,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-04-05 21:10:16,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1624, Invalid=8471, Unknown=5, NotChecked=0, Total=10100 [2024-04-05 21:10:16,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:10:16,049 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:10:16,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 2.702970297029703) internal successors, (273), 101 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:10:16,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:10:16,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-05 21:10:16,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-05 21:10:16,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-04-05 21:10:16,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:11:16,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:11:19,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:11:24,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:11:37,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:12:16,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:12:25,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:12:28,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:12:30,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:12:34,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:12:41,116 WARN L293 SmtUtils]: Spent 5.30s on a formula simplification. DAG size of input: 110 DAG size of output: 63 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 21:12:48,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:12:50,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:12:55,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:12:59,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:13:33,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:13:35,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-05 21:14:17,198 WARN L293 SmtUtils]: Spent 11.97s on a formula simplification. DAG size of input: 94 DAG size of output: 51 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 21:15:07,383 WARN L293 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 186 DAG size of output: 113 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 21:17:04,659 WARN L293 SmtUtils]: Spent 19.41s on a formula simplification. DAG size of input: 198 DAG size of output: 175 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 21:17:36,778 WARN L293 SmtUtils]: Spent 21.52s on a formula simplification. DAG size of input: 215 DAG size of output: 181 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 21:18:11,690 WARN L293 SmtUtils]: Spent 23.42s on a formula simplification. DAG size of input: 218 DAG size of output: 173 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 21:18:25,732 WARN L293 SmtUtils]: Spent 5.64s on a formula simplification. DAG size of input: 136 DAG size of output: 118 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 21:19:58,704 WARN L293 SmtUtils]: Spent 56.38s on a formula simplification. DAG size of input: 196 DAG size of output: 172 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-05 21:20:00,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-04-05 21:20:33,987 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 21:20:33,987 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 21:20:33,987 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 21:20:35,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 21:20:35,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-05 21:20:35,188 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-04-05 21:20:35,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2024-04-05 21:20:35,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-04-05 21:20:35,199 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while executing Executor. [2024-04-05 21:20:35,201 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-05 21:20:35,202 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-05 21:20:35,202 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-05 21:20:35,202 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-05 21:20:35,207 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2024-04-05 21:20:35,210 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 21:20:35,210 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 21:20:35,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 09:20:35 BasicIcfg [2024-04-05 21:20:35,213 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 21:20:35,215 INFO L158 Benchmark]: Toolchain (without parser) took 849609.18ms. Allocated memory was 154.1MB in the beginning and 690.0MB in the end (delta: 535.8MB). Free memory was 85.4MB in the beginning and 489.7MB in the end (delta: -404.2MB). Peak memory consumption was 133.1MB. Max. memory is 8.0GB. [2024-04-05 21:20:35,215 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 154.1MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 21:20:35,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.52ms. Allocated memory is still 154.1MB. Free memory was 85.3MB in the beginning and 73.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 21:20:35,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.42ms. Allocated memory was 154.1MB in the beginning and 229.6MB in the end (delta: 75.5MB). Free memory was 73.8MB in the beginning and 201.7MB in the end (delta: -127.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-04-05 21:20:35,218 INFO L158 Benchmark]: Boogie Preprocessor took 19.45ms. Allocated memory is still 229.6MB. Free memory was 201.7MB in the beginning and 200.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-05 21:20:35,218 INFO L158 Benchmark]: RCFGBuilder took 502.27ms. Allocated memory is still 229.6MB. Free memory was 200.7MB in the beginning and 182.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-04-05 21:20:35,219 INFO L158 Benchmark]: TraceAbstraction took 848813.83ms. Allocated memory was 229.6MB in the beginning and 690.0MB in the end (delta: 460.3MB). Free memory was 181.3MB in the beginning and 489.7MB in the end (delta: -308.4MB). Peak memory consumption was 151.9MB. Max. memory is 8.0GB. [2024-04-05 21:20:35,225 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 154.1MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 212.52ms. Allocated memory is still 154.1MB. Free memory was 85.3MB in the beginning and 73.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.42ms. Allocated memory was 154.1MB in the beginning and 229.6MB in the end (delta: 75.5MB). Free memory was 73.8MB in the beginning and 201.7MB in the end (delta: -127.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.45ms. Allocated memory is still 229.6MB. Free memory was 201.7MB in the beginning and 200.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 502.27ms. Allocated memory is still 229.6MB. Free memory was 200.7MB in the beginning and 182.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 848813.83ms. Allocated memory was 229.6MB in the beginning and 690.0MB in the end (delta: 460.3MB). Free memory was 181.3MB in the beginning and 489.7MB in the end (delta: -308.4MB). Peak memory consumption was 151.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13442, independent: 10865, independent conditional: 9931, independent unconditional: 934, dependent: 2565, dependent conditional: 2136, dependent unconditional: 429, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10928, independent: 10865, independent conditional: 9931, independent unconditional: 934, dependent: 51, dependent conditional: 44, dependent unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10928, independent: 10865, independent conditional: 9931, independent unconditional: 934, dependent: 51, dependent conditional: 44, dependent unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10928, independent: 10865, independent conditional: 9931, independent unconditional: 934, dependent: 51, dependent conditional: 44, dependent unconditional: 7, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11033, independent: 10865, independent conditional: 1663, independent unconditional: 9202, dependent: 140, dependent conditional: 38, dependent unconditional: 102, unknown: 28, unknown conditional: 8, unknown unconditional: 20] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11033, independent: 10865, independent conditional: 1566, independent unconditional: 9299, dependent: 140, dependent conditional: 6, dependent unconditional: 134, unknown: 28, unknown conditional: 2, unknown unconditional: 26] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11033, independent: 10865, independent conditional: 1566, independent unconditional: 9299, dependent: 140, dependent conditional: 6, dependent unconditional: 134, unknown: 28, unknown conditional: 2, unknown unconditional: 26] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 371, independent: 361, independent conditional: 2, independent unconditional: 359, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 371, independent: 361, independent conditional: 0, independent unconditional: 361, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2549, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 520, dependent conditional: 448, dependent unconditional: 72, unknown: 2029, unknown conditional: 1010, unknown unconditional: 1019] , Protected Queries: 0 ], Cache Queries: [ total: 11033, independent: 10504, independent conditional: 1564, independent unconditional: 8940, dependent: 132, dependent conditional: 3, dependent unconditional: 129, unknown: 397, unknown conditional: 7, unknown unconditional: 390] , Statistics on independence cache: Total cache size (in pairs): 369, Positive cache size: 361, Positive conditional cache size: 2, Positive unconditional cache size: 359, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Unknown cache size: 2, Unknown conditional cache size: 1, Unknown unconditional cache size: 1, Eliminated conditions: 135, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11033, independent: 10865, independent conditional: 1663, independent unconditional: 9202, dependent: 140, dependent conditional: 38, dependent unconditional: 102, unknown: 28, unknown conditional: 8, unknown unconditional: 20] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11033, independent: 10865, independent conditional: 1566, independent unconditional: 9299, dependent: 140, dependent conditional: 6, dependent unconditional: 134, unknown: 28, unknown conditional: 2, unknown unconditional: 26] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11033, independent: 10865, independent conditional: 1566, independent unconditional: 9299, dependent: 140, dependent conditional: 6, dependent unconditional: 134, unknown: 28, unknown conditional: 2, unknown unconditional: 26] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 371, independent: 361, independent conditional: 2, independent unconditional: 359, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 371, independent: 361, independent conditional: 0, independent unconditional: 361, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 2, unknown conditional: 1, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2549, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 520, dependent conditional: 448, dependent unconditional: 72, unknown: 2029, unknown conditional: 1010, unknown unconditional: 1019] , Protected Queries: 0 ], Cache Queries: [ total: 11033, independent: 10504, independent conditional: 1564, independent unconditional: 8940, dependent: 132, dependent conditional: 3, dependent unconditional: 129, unknown: 397, unknown conditional: 7, unknown unconditional: 390] , Statistics on independence cache: Total cache size (in pairs): 369, Positive cache size: 361, Positive conditional cache size: 2, Positive unconditional cache size: 359, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Unknown cache size: 2, Unknown conditional cache size: 1, Unknown unconditional cache size: 1, Eliminated conditions: 135 ], Independence queries for same thread: 2514 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 111 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 848.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 710.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 364, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 136.2s InterpolantComputationTime, 861 NumberOfCodeBlocks, 861 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1203 ConstructedInterpolants, 0 QuantifiedInterpolants, 14606 SizeOfPredicates, 30 NumberOfNonLiveVariables, 771 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1072/1770 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown