/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 50 --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-figure3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 14:45:12,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 14:45:12,795 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 14:45:12,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 14:45:12,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 14:45:12,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 14:45:12,831 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 14:45:12,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 14:45:12,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 14:45:12,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 14:45:12,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 14:45:12,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 14:45:12,835 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 14:45:12,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 14:45:12,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 14:45:12,837 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 14:45:12,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 14:45:12,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 14:45:12,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 14:45:12,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 14:45:12,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 14:45:12,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 14:45:12,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 14:45:12,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 14:45:12,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 14:45:12,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 14:45:12,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 14:45:12,839 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 14:45:12,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 14:45:12,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 14:45:12,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 14:45:12,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 14:45:12,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 14:45:12,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 14:45:12,841 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 14:45:12,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 14:45:12,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 14:45:12,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 14:45:12,842 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 14:45:12,842 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 14:45:13,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 14:45:13,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 14:45:13,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 14:45:13,133 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 14:45:13,136 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 14:45:13,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-05-07 14:45:14,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 14:45:14,341 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 14:45:14,341 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-05-07 14:45:14,347 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0fc060018/1e058f05d2c2466d8188ec0891dee80e/FLAGb7bca9672 [2024-05-07 14:45:14,358 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0fc060018/1e058f05d2c2466d8188ec0891dee80e [2024-05-07 14:45:14,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 14:45:14,361 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 14:45:14,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 14:45:14,362 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 14:45:14,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 14:45:14,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 02:45:14" (1/1) ... [2024-05-07 14:45:14,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6babfb31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14, skipping insertion in model container [2024-05-07 14:45:14,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 02:45:14" (1/1) ... [2024-05-07 14:45:14,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 14:45:14,505 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-figure3.wvr.c[2121,2134] [2024-05-07 14:45:14,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 14:45:14,559 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 14:45:14,582 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-figure3.wvr.c[2121,2134] [2024-05-07 14:45:14,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 14:45:14,595 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 14:45:14,595 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 14:45:14,600 INFO L206 MainTranslator]: Completed translation [2024-05-07 14:45:14,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14 WrapperNode [2024-05-07 14:45:14,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 14:45:14,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 14:45:14,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 14:45:14,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 14:45:14,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14" (1/1) ... [2024-05-07 14:45:14,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14" (1/1) ... [2024-05-07 14:45:14,628 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-05-07 14:45:14,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 14:45:14,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 14:45:14,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 14:45:14,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 14:45:14,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14" (1/1) ... [2024-05-07 14:45:14,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14" (1/1) ... [2024-05-07 14:45:14,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14" (1/1) ... [2024-05-07 14:45:14,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14" (1/1) ... [2024-05-07 14:45:14,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14" (1/1) ... [2024-05-07 14:45:14,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14" (1/1) ... [2024-05-07 14:45:14,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14" (1/1) ... [2024-05-07 14:45:14,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14" (1/1) ... [2024-05-07 14:45:14,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 14:45:14,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 14:45:14,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 14:45:14,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 14:45:14,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14" (1/1) ... [2024-05-07 14:45:14,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 14:45:14,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 14:45:14,678 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) [2024-05-07 14:45:14,680 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 [2024-05-07 14:45:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 14:45:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 14:45:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 14:45:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 14:45:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 14:45:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 14:45:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 14:45:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 14:45:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 14:45:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 14:45:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 14:45:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 14:45:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 14:45:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 14:45:14,716 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 14:45:14,827 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 14:45:14,828 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 14:45:15,014 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 14:45:15,046 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 14:45:15,046 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-07 14:45:15,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 02:45:15 BoogieIcfgContainer [2024-05-07 14:45:15,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 14:45:15,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 14:45:15,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 14:45:15,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 14:45:15,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 02:45:14" (1/3) ... [2024-05-07 14:45:15,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0b95b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 02:45:15, skipping insertion in model container [2024-05-07 14:45:15,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:45:14" (2/3) ... [2024-05-07 14:45:15,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0b95b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 02:45:15, skipping insertion in model container [2024-05-07 14:45:15,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 02:45:15" (3/3) ... [2024-05-07 14:45:15,070 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure3.wvr.c [2024-05-07 14:45:15,076 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 14:45:15,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 14:45:15,083 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 14:45:15,083 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 14:45:15,136 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-07 14:45:15,175 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 14:45:15,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 14:45:15,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 14:45:15,181 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) [2024-05-07 14:45:15,182 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 [2024-05-07 14:45:15,248 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 14:45:15,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 14:45:15,265 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 14:45:15,273 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;@3c7897e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-07 14:45:15,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-07 14:45:15,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1670462890, now seen corresponding path program 1 times [2024-05-07 14:45:15,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:15,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:15,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 14:45:15,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:15,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 14:45:15,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 14:45:15,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 14:45:15,947 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 14:45:15,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 14:45:15,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1637863366, now seen corresponding path program 1 times [2024-05-07 14:45:15,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 14:45:15,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175698046] [2024-05-07 14:45:15,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:15,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:16,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 14:45:16,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 14:45:16,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175698046] [2024-05-07 14:45:16,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175698046] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 14:45:16,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 14:45:16,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 14:45:16,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032420579] [2024-05-07 14:45:16,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 14:45:16,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 14:45:16,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 14:45:16,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 14:45:16,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-05-07 14:45:16,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:16,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 14:45:16,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-05-07 14:45:16,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:16,439 INFO L85 PathProgramCache]: Analyzing trace with hash 2044389242, now seen corresponding path program 1 times [2024-05-07 14:45:16,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:16,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 14:45:16,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 14:45:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 14:45:16,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:16,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-05-07 14:45:16,556 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 14:45:16,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 14:45:16,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1311083579, now seen corresponding path program 1 times [2024-05-07 14:45:16,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 14:45:16,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556131808] [2024-05-07 14:45:16,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:16,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 14:45:16,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 14:45:16,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556131808] [2024-05-07 14:45:16,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556131808] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 14:45:16,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061125723] [2024-05-07 14:45:16,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:16,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 14:45:16,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 14:45:16,980 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) [2024-05-07 14:45:17,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 14:45:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:17,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-07 14:45:17,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 14:45:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 14:45:17,216 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 14:45:17,391 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 14:45:17,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061125723] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 14:45:17,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 14:45:17,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-05-07 14:45:17,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604603906] [2024-05-07 14:45:17,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 14:45:17,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-05-07 14:45:17,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 14:45:17,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-07 14:45:17,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-05-07 14:45:17,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:17,396 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 14:45:17,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.75) internal successors, (115), 20 states have internal predecessors, (115), 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) [2024-05-07 14:45:17,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:17,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:18,559 INFO L85 PathProgramCache]: Analyzing trace with hash 782952687, now seen corresponding path program 2 times [2024-05-07 14:45:18,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:18,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 14:45:18,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 14:45:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 14:45:18,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:18,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-07 14:45:18,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-07 14:45:18,985 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,SelfDestructingSolverStorable5 [2024-05-07 14:45:18,985 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 14:45:18,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 14:45:18,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1145594597, now seen corresponding path program 2 times [2024-05-07 14:45:18,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 14:45:18,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964488828] [2024-05-07 14:45:18,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:18,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 14:45:19,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 14:45:19,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964488828] [2024-05-07 14:45:19,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964488828] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 14:45:19,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188101118] [2024-05-07 14:45:19,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 14:45:19,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 14:45:19,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 14:45:19,497 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) [2024-05-07 14:45:19,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 14:45:19,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 14:45:19,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 14:45:19,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-07 14:45:19,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 14:45:19,887 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 14:45:19,888 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 14:45:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 14:45:20,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188101118] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 14:45:20,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 14:45:20,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 41 [2024-05-07 14:45:20,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908977855] [2024-05-07 14:45:20,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 14:45:20,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-05-07 14:45:20,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 14:45:20,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-05-07 14:45:20,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1488, Unknown=0, NotChecked=0, Total=1640 [2024-05-07 14:45:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:20,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 14:45:20,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.951219512195122) internal successors, (162), 41 states have internal predecessors, (162), 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) [2024-05-07 14:45:20,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:20,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-07 14:45:20,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-07 14:45:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-05-07 14:45:24,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-07 14:45:24,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 14:45:24,245 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 14:45:24,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 14:45:24,246 INFO L85 PathProgramCache]: Analyzing trace with hash 680945277, now seen corresponding path program 3 times [2024-05-07 14:45:24,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 14:45:24,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76400703] [2024-05-07 14:45:24,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:24,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-05-07 14:45:24,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 14:45:24,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76400703] [2024-05-07 14:45:24,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76400703] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 14:45:24,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907473751] [2024-05-07 14:45:24,616 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 14:45:24,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 14:45:24,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 14:45:24,634 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) [2024-05-07 14:45:24,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 14:45:24,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-07 14:45:24,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 14:45:24,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 35 conjunts are in the unsatisfiable core [2024-05-07 14:45:24,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 14:45:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-05-07 14:45:25,173 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 14:45:25,367 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-05-07 14:45:25,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907473751] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 14:45:25,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 14:45:25,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 7] total 12 [2024-05-07 14:45:25,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756171099] [2024-05-07 14:45:25,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 14:45:25,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-07 14:45:25,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 14:45:25,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-07 14:45:25,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-05-07 14:45:25,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:25,370 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 14:45:25,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.583333333333334) internal successors, (151), 12 states have internal predecessors, (151), 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) [2024-05-07 14:45:25,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:25,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-07 14:45:25,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-05-07 14:45:25,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:27,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1415009644, now seen corresponding path program 3 times [2024-05-07 14:45:27,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:27,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 14:45:27,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 14:45:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 14:45:27,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1685914314, now seen corresponding path program 4 times [2024-05-07 14:45:27,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:27,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 14:45:27,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 14:45:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 14:45:27,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:27,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 14:45:27,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-07 14:45:27,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 14:45:27,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-07 14:45:28,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 14:45:28,062 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 14:45:28,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 14:45:28,063 INFO L85 PathProgramCache]: Analyzing trace with hash 2020994783, now seen corresponding path program 4 times [2024-05-07 14:45:28,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 14:45:28,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42433651] [2024-05-07 14:45:28,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:28,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 115 proven. 144 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-05-07 14:45:28,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 14:45:28,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42433651] [2024-05-07 14:45:28,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42433651] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 14:45:28,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803952829] [2024-05-07 14:45:28,409 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 14:45:28,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 14:45:28,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 14:45:28,410 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 14:45:28,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 14:45:28,489 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 14:45:28,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 14:45:28,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-07 14:45:28,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 14:45:28,638 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 115 proven. 149 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-05-07 14:45:28,638 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 14:45:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 120 proven. 144 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-05-07 14:45:28,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803952829] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 14:45:28,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 14:45:28,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 12 [2024-05-07 14:45:28,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688494384] [2024-05-07 14:45:28,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 14:45:28,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-07 14:45:28,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 14:45:28,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-07 14:45:28,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-05-07 14:45:28,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:28,846 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 14:45:28,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 12 states have internal predecessors, (170), 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) [2024-05-07 14:45:28,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:28,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-07 14:45:28,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-07 14:45:28,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 14:45:28,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:29,084 INFO L85 PathProgramCache]: Analyzing trace with hash 2019350478, now seen corresponding path program 5 times [2024-05-07 14:45:29,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:29,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 14:45:29,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 14:45:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 14:45:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 14:45:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-07 14:45:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 14:45:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 14:45:29,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-07 14:45:29,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11 [2024-05-07 14:45:29,519 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 14:45:29,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 14:45:29,520 INFO L85 PathProgramCache]: Analyzing trace with hash -2140101897, now seen corresponding path program 5 times [2024-05-07 14:45:29,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 14:45:29,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783540882] [2024-05-07 14:45:29,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:29,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:29,911 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-05-07 14:45:29,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 14:45:29,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783540882] [2024-05-07 14:45:29,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783540882] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 14:45:29,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662275323] [2024-05-07 14:45:29,913 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 14:45:29,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 14:45:29,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 14:45:29,914 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 14:45:29,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-07 14:45:31,305 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-05-07 14:45:31,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 14:45:31,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-07 14:45:31,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 14:45:31,478 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-05-07 14:45:31,478 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 14:45:31,711 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 31 proven. 136 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-05-07 14:45:31,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662275323] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 14:45:31,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 14:45:31,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 16 [2024-05-07 14:45:31,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396499024] [2024-05-07 14:45:31,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 14:45:31,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-05-07 14:45:31,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 14:45:31,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-05-07 14:45:31,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-05-07 14:45:31,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:31,714 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 14:45:31,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0) internal successors, (176), 16 states have internal predecessors, (176), 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) [2024-05-07 14:45:31,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:31,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-07 14:45:31,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-07 14:45:31,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 14:45:31,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 14:45:31,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:31,971 INFO L85 PathProgramCache]: Analyzing trace with hash 2019350478, now seen corresponding path program 6 times [2024-05-07 14:45:31,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:31,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 14:45:32,004 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 14:45:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 14:45:32,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1415009644, now seen corresponding path program 7 times [2024-05-07 14:45:32,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:32,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-05-07 14:45:32,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:32,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-05-07 14:45:32,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:32,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 14:45:32,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-07 14:45:32,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 14:45:32,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 14:45:32,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 14:45:32,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-07 14:45:33,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-05-07 14:45:33,096 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 14:45:33,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 14:45:33,097 INFO L85 PathProgramCache]: Analyzing trace with hash -194852275, now seen corresponding path program 6 times [2024-05-07 14:45:33,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 14:45:33,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448961083] [2024-05-07 14:45:33,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:33,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-05-07 14:45:33,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 14:45:33,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448961083] [2024-05-07 14:45:33,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448961083] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 14:45:33,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143996052] [2024-05-07 14:45:33,765 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 14:45:33,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 14:45:33,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 14:45:33,781 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 14:45:33,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-07 14:45:33,973 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-05-07 14:45:33,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 14:45:33,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 62 conjunts are in the unsatisfiable core [2024-05-07 14:45:33,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 14:45:34,750 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 14:45:34,750 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 14:45:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 14:45:36,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143996052] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 14:45:36,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 14:45:36,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 33, 33] total 73 [2024-05-07 14:45:36,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143013628] [2024-05-07 14:45:36,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 14:45:36,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-05-07 14:45:36,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 14:45:36,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-05-07 14:45:36,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=414, Invalid=4842, Unknown=0, NotChecked=0, Total=5256 [2024-05-07 14:45:36,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:36,559 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 14:45:36,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 3.452054794520548) internal successors, (252), 73 states have internal predecessors, (252), 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) [2024-05-07 14:45:36,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:36,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-07 14:45:36,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-07 14:45:36,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 14:45:36,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 14:45:36,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 14:45:36,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:52,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 14:45:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-07 14:45:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 14:45:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 14:45:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 14:45:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-07 14:45:52,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-07 14:45:52,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-07 14:45:52,425 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 14:45:52,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 14:45:52,426 INFO L85 PathProgramCache]: Analyzing trace with hash 941895906, now seen corresponding path program 7 times [2024-05-07 14:45:52,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 14:45:52,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753889144] [2024-05-07 14:45:52,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:45:52,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:45:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-05-07 14:45:53,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 14:45:53,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753889144] [2024-05-07 14:45:53,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753889144] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 14:45:53,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089806838] [2024-05-07 14:45:53,156 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 14:45:53,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 14:45:53,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 14:45:53,158 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 14:45:53,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-07 14:45:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:45:53,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 86 conjunts are in the unsatisfiable core [2024-05-07 14:45:53,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 14:45:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 14:45:54,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 14:45:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 14:45:56,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089806838] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 14:45:56,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 14:45:56,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 45, 45] total 96 [2024-05-07 14:45:56,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563836298] [2024-05-07 14:45:56,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 14:45:56,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-05-07 14:45:56,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 14:45:56,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-05-07 14:45:56,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=738, Invalid=8382, Unknown=0, NotChecked=0, Total=9120 [2024-05-07 14:45:56,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:45:56,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 14:45:56,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 3.28125) internal successors, (315), 96 states have internal predecessors, (315), 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) [2024-05-07 14:45:56,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:45:56,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-07 14:45:56,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-07 14:45:56,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 14:45:56,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 14:45:56,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 14:45:56,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-07 14:45:56,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:46:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:46:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 14:46:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-07 14:46:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 14:46:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 14:46:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-07 14:46:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-07 14:46:51,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2024-05-07 14:46:51,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-07 14:46:52,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 14:46:52,184 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 14:46:52,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 14:46:52,185 INFO L85 PathProgramCache]: Analyzing trace with hash 602764087, now seen corresponding path program 8 times [2024-05-07 14:46:52,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 14:46:52,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53269856] [2024-05-07 14:46:52,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:46:52,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:46:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:46:53,208 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 519 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2024-05-07 14:46:53,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 14:46:53,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53269856] [2024-05-07 14:46:53,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53269856] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 14:46:53,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431559920] [2024-05-07 14:46:53,209 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 14:46:53,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 14:46:53,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 14:46:53,216 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 14:46:53,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-07 14:46:53,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 14:46:53,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 14:46:53,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 110 conjunts are in the unsatisfiable core [2024-05-07 14:46:53,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 14:46:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 14:46:54,753 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 14:46:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 14:46:58,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431559920] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 14:46:58,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 14:46:58,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 57, 57] total 122 [2024-05-07 14:46:58,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460908911] [2024-05-07 14:46:58,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 14:46:58,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-05-07 14:46:58,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 14:46:58,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-05-07 14:46:58,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1070, Invalid=13692, Unknown=0, NotChecked=0, Total=14762 [2024-05-07 14:46:58,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:46:58,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 14:46:58,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 3.1065573770491803) internal successors, (379), 122 states have internal predecessors, (379), 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) [2024-05-07 14:46:58,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:46:58,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-07 14:46:58,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-07 14:46:58,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 14:46:58,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 14:46:58,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-07 14:46:58,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-07 14:46:58,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2024-05-07 14:46:58,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:48:08,769 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 [] [2024-05-07 14:48:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:48:23,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 14:48:23,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-05-07 14:48:23,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 14:48:23,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 14:48:23,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-07 14:48:23,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-07 14:48:23,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2024-05-07 14:48:23,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2024-05-07 14:48:23,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-07 14:48:24,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 14:48:24,064 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 14:48:24,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 14:48:24,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2125681833, now seen corresponding path program 9 times [2024-05-07 14:48:24,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 14:48:24,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012745883] [2024-05-07 14:48:24,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 14:48:24,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 14:48:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 14:48:26,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2051 backedges. 22 proven. 1468 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-05-07 14:48:26,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 14:48:26,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012745883] [2024-05-07 14:48:26,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012745883] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 14:48:26,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100315160] [2024-05-07 14:48:26,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 14:48:26,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 14:48:26,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 14:48:26,148 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 14:48:26,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process Received shutdown request... [2024-05-07 14:59:42,275 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 [2024-05-07 14:59:42,275 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 [2024-05-07 14:59:42,276 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 14:59:43,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-07 14:59:43,294 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 0 [2024-05-07 14:59:43,484 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forcibly destroying the process [2024-05-07 14:59:43,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 137 [2024-05-07 14:59:43,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-07 14:59:43,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-05-07 14:59:43,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2024-05-07 14:59:43,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085887747] [2024-05-07 14:59:43,494 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-05-07 14:59:43,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-07 14:59:43,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 14:59:43,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-07 14:59:43,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=986, Unknown=0, NotChecked=0, Total=1056 [2024-05-07 14:59:43,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:59:43,495 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 14:59:43,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.333333333333333) internal successors, (143), 33 states have internal predecessors, (143), 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) [2024-05-07 14:59:43,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 14:59:43,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-07 14:59:43,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-05-07 14:59:43,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 14:59:43,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-07 14:59:43,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-07 14:59:43,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-07 14:59:43,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2024-05-07 14:59:43,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2024-05-07 14:59:43,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 14:59:43,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-05-07 14:59:43,497 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-05-07 14:59:43,506 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-07 14:59:43,507 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-07 14:59:43,507 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-07 14:59:43,510 INFO L448 BasicCegarLoop]: Path program histogram: [9, 7, 1, 1] [2024-05-07 14:59:43,513 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 14:59:43,513 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 14:59:43,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 02:59:43 BasicIcfg [2024-05-07 14:59:43,517 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 14:59:43,518 INFO L158 Benchmark]: Toolchain (without parser) took 869156.73ms. Allocated memory was 162.5MB in the beginning and 502.3MB in the end (delta: 339.7MB). Free memory was 92.7MB in the beginning and 330.2MB in the end (delta: -237.5MB). Peak memory consumption was 103.2MB. Max. memory is 8.0GB. [2024-05-07 14:59:43,518 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 162.5MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 14:59:43,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.58ms. Allocated memory was 162.5MB in the beginning and 231.7MB in the end (delta: 69.2MB). Free memory was 92.5MB in the beginning and 201.9MB in the end (delta: -109.3MB). Peak memory consumption was 16.6MB. Max. memory is 8.0GB. [2024-05-07 14:59:43,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.76ms. Allocated memory is still 231.7MB. Free memory was 201.9MB in the beginning and 199.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 14:59:43,518 INFO L158 Benchmark]: Boogie Preprocessor took 19.30ms. Allocated memory is still 231.7MB. Free memory was 199.8MB in the beginning and 198.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 14:59:43,518 INFO L158 Benchmark]: RCFGBuilder took 399.25ms. Allocated memory is still 231.7MB. Free memory was 198.7MB in the beginning and 184.6MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-05-07 14:59:43,519 INFO L158 Benchmark]: TraceAbstraction took 868452.10ms. Allocated memory was 231.7MB in the beginning and 502.3MB in the end (delta: 270.5MB). Free memory was 183.0MB in the beginning and 330.2MB in the end (delta: -147.2MB). Peak memory consumption was 123.3MB. Max. memory is 8.0GB. [2024-05-07 14:59:43,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 162.5MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 239.58ms. Allocated memory was 162.5MB in the beginning and 231.7MB in the end (delta: 69.2MB). Free memory was 92.5MB in the beginning and 201.9MB in the end (delta: -109.3MB). Peak memory consumption was 16.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.76ms. Allocated memory is still 231.7MB. Free memory was 201.9MB in the beginning and 199.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.30ms. Allocated memory is still 231.7MB. Free memory was 199.8MB in the beginning and 198.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 399.25ms. Allocated memory is still 231.7MB. Free memory was 198.7MB in the beginning and 184.6MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 868452.10ms. Allocated memory was 231.7MB in the beginning and 502.3MB in the end (delta: 270.5MB). Free memory was 183.0MB in the beginning and 330.2MB in the end (delta: -147.2MB). Peak memory consumption was 123.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11395, independent: 10288, independent conditional: 9851, independent unconditional: 437, dependent: 1107, dependent conditional: 1104, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10344, independent: 10288, independent conditional: 9851, independent unconditional: 437, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10344, independent: 10288, independent conditional: 9851, independent unconditional: 437, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10344, independent: 10288, independent conditional: 9851, independent unconditional: 437, dependent: 56, dependent conditional: 53, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10517, independent: 10288, independent conditional: 4141, independent unconditional: 6147, dependent: 229, dependent conditional: 168, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10517, independent: 10288, independent conditional: 3533, independent unconditional: 6755, dependent: 229, dependent conditional: 64, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10517, independent: 10288, independent conditional: 3533, independent unconditional: 6755, dependent: 229, dependent conditional: 64, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 333, independent: 326, independent conditional: 12, independent unconditional: 314, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 333, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, independent: 223, independent conditional: 223, independent unconditional: 0, dependent: 46, dependent conditional: 13, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10517, independent: 9962, independent conditional: 3521, independent unconditional: 6441, dependent: 222, dependent conditional: 59, dependent unconditional: 163, unknown: 333, unknown conditional: 17, unknown unconditional: 316] , Statistics on independence cache: Total cache size (in pairs): 333, Positive cache size: 326, Positive conditional cache size: 12, Positive unconditional cache size: 314, Negative cache size: 7, Negative conditional cache size: 5, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 712, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10517, independent: 10288, independent conditional: 4141, independent unconditional: 6147, dependent: 229, dependent conditional: 168, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10517, independent: 10288, independent conditional: 3533, independent unconditional: 6755, dependent: 229, dependent conditional: 64, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10517, independent: 10288, independent conditional: 3533, independent unconditional: 6755, dependent: 229, dependent conditional: 64, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 333, independent: 326, independent conditional: 12, independent unconditional: 314, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 333, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 7, dependent conditional: 5, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, independent: 223, independent conditional: 223, independent unconditional: 0, dependent: 46, dependent conditional: 13, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10517, independent: 9962, independent conditional: 3521, independent unconditional: 6441, dependent: 222, dependent conditional: 59, dependent unconditional: 163, unknown: 333, unknown conditional: 17, unknown unconditional: 316] , Statistics on independence cache: Total cache size (in pairs): 333, Positive cache size: 326, Positive conditional cache size: 12, Positive unconditional cache size: 314, Negative cache size: 7, Negative conditional cache size: 5, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 712 ], Independence queries for same thread: 1051 - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 104 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 868.3s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 166.4s, 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: 684, 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, 2.5s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 2490 NumberOfCodeBlocks, 2490 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 3544 ConstructedInterpolants, 0 QuantifiedInterpolants, 22362 SizeOfPredicates, 163 NumberOfNonLiveVariables, 2121 ConjunctsInSsa, 425 ConjunctsInUnsatCore, 26 InterpolantComputations, 1 PerfectInterpolantSequences, 2953/9837 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, ConditionalCommutativityCheckTime: 2.8s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 10, ConditionalCommutativityTraceChecks: 8, ConditionalCommutativityImperfectProofs: 1 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown