/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 21:13:43,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 21:13:43,824 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 21:13:43,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 21:13:43,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 21:13:43,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 21:13:43,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 21:13:43,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 21:13:43,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 21:13:43,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 21:13:43,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 21:13:43,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 21:13:43,864 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 21:13:43,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 21:13:43,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 21:13:43,865 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 21:13:43,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 21:13:43,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 21:13:43,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 21:13:43,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 21:13:43,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 21:13:43,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 21:13:43,870 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 21:13:43,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 21:13:43,874 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 21:13:43,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 21:13:43,874 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 21:13:43,874 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 21:13:43,875 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 21:13:43,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 21:13:43,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 21:13:43,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 21:13:43,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 21:13:43,876 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 21:13:43,877 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 21:13:43,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 21:13:43,877 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 21:13:43,877 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 21:13:43,877 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 21:13:43,877 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-05 21:13:44,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 21:13:44,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 21:13:44,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 21:13:44,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 21:13:44,146 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 21:13:44,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2024-04-05 21:13:45,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 21:13:45,499 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 21:13:45,500 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2024-04-05 21:13:45,507 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c7649f1f0/c5f46af4ef6541f4be1f3139fbf03711/FLAG580fb8f5e [2024-04-05 21:13:45,518 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c7649f1f0/c5f46af4ef6541f4be1f3139fbf03711 [2024-04-05 21:13:45,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 21:13:45,521 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 21:13:45,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 21:13:45,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 21:13:45,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 21:13:45,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 09:13:45" (1/1) ... [2024-04-05 21:13:45,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b65f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45, skipping insertion in model container [2024-04-05 21:13:45,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 09:13:45" (1/1) ... [2024-04-05 21:13:45,554 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 21:13:45,685 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-send-receive-alt.wvr.c[2650,2663] [2024-04-05 21:13:45,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 21:13:45,699 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 21:13:45,717 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-send-receive-alt.wvr.c[2650,2663] [2024-04-05 21:13:45,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 21:13:45,726 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 21:13:45,726 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-05 21:13:45,732 INFO L206 MainTranslator]: Completed translation [2024-04-05 21:13:45,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45 WrapperNode [2024-04-05 21:13:45,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 21:13:45,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 21:13:45,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 21:13:45,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 21:13:45,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45" (1/1) ... [2024-04-05 21:13:45,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45" (1/1) ... [2024-04-05 21:13:45,797 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 147 [2024-04-05 21:13:45,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 21:13:45,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 21:13:45,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 21:13:45,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 21:13:45,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45" (1/1) ... [2024-04-05 21:13:45,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45" (1/1) ... [2024-04-05 21:13:45,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45" (1/1) ... [2024-04-05 21:13:45,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45" (1/1) ... [2024-04-05 21:13:45,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45" (1/1) ... [2024-04-05 21:13:45,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45" (1/1) ... [2024-04-05 21:13:45,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45" (1/1) ... [2024-04-05 21:13:45,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45" (1/1) ... [2024-04-05 21:13:45,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 21:13:45,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 21:13:45,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 21:13:45,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 21:13:45,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45" (1/1) ... [2024-04-05 21:13:45,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 21:13:45,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:13:45,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 21:13:45,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 21:13:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 21:13:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 21:13:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 21:13:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 21:13:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 21:13:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 21:13:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 21:13:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 21:13:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-05 21:13:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-05 21:13:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 21:13:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 21:13:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 21:13:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 21:13:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 21:13:45,950 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 21:13:46,081 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 21:13:46,083 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 21:13:46,281 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 21:13:46,391 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 21:13:46,392 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-05 21:13:46,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 09:13:46 BoogieIcfgContainer [2024-04-05 21:13:46,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 21:13:46,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 21:13:46,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 21:13:46,400 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 21:13:46,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 09:13:45" (1/3) ... [2024-04-05 21:13:46,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b675203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 09:13:46, skipping insertion in model container [2024-04-05 21:13:46,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 09:13:45" (2/3) ... [2024-04-05 21:13:46,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b675203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 09:13:46, skipping insertion in model container [2024-04-05 21:13:46,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 09:13:46" (3/3) ... [2024-04-05 21:13:46,402 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2024-04-05 21:13:46,408 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 21:13:46,415 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 21:13:46,415 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 21:13:46,416 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 21:13:46,464 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-05 21:13:46,503 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 21:13:46,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 21:13:46,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:13:46,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 21:13:46,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 21:13:46,538 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 21:13:46,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:13:46,551 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 21:13:46,557 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;@19fcc9eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 21:13:46,557 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-05 21:13:46,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:13:46,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:13:46,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1339139068, now seen corresponding path program 1 times [2024-04-05 21:13:46,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:13:46,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983304710] [2024-04-05 21:13:46,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:13:46,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:13:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:13:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:13:46,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:13:46,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983304710] [2024-04-05 21:13:46,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983304710] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:13:46,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:13:46,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 21:13:46,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871630353] [2024-04-05 21:13:46,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:13:46,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 21:13:46,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:13:46,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 21:13:46,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 21:13:46,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:46,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:13:46,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.0) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:13:46,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:47,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:47,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 21:13:47,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:13:47,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:13:47,009 INFO L85 PathProgramCache]: Analyzing trace with hash 103214375, now seen corresponding path program 1 times [2024-04-05 21:13:47,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:13:47,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135811474] [2024-04-05 21:13:47,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:13:47,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:13:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:13:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:13:47,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:13:47,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135811474] [2024-04-05 21:13:47,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135811474] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:13:47,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:13:47,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-05 21:13:47,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185803674] [2024-04-05 21:13:47,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:13:47,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-05 21:13:47,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:13:47,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-05 21:13:47,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-05 21:13:47,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:47,456 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:13:47,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:13:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:47,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:47,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 21:13:47,655 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:13:47,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:13:47,656 INFO L85 PathProgramCache]: Analyzing trace with hash -392084932, now seen corresponding path program 1 times [2024-04-05 21:13:47,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:13:47,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892278716] [2024-04-05 21:13:47,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:13:47,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:13:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:13:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:13:47,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:13:47,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892278716] [2024-04-05 21:13:47,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892278716] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:13:47,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:13:47,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 21:13:47,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064957778] [2024-04-05 21:13:47,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:13:47,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 21:13:47,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:13:47,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 21:13:47,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 21:13:47,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:47,799 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:13:47,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:13:47,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:47,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:47,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:47,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:13:47,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-05 21:13:47,936 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:13:47,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:13:47,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1977828947, now seen corresponding path program 1 times [2024-04-05 21:13:47,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:13:47,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883852336] [2024-04-05 21:13:47,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:13:47,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:13:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:13:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:13:48,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:13:48,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883852336] [2024-04-05 21:13:48,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883852336] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:13:48,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:13:48,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-05 21:13:48,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699195049] [2024-04-05 21:13:48,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:13:48,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-05 21:13:48,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:13:48,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 21:13:48,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-05 21:13:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:48,170 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:13:48,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:13:48,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:48,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:48,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:13:48,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:48,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:13:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:48,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-05 21:13:48,306 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:13:48,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:13:48,306 INFO L85 PathProgramCache]: Analyzing trace with hash 819058017, now seen corresponding path program 1 times [2024-04-05 21:13:48,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:13:48,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200761294] [2024-04-05 21:13:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:13:48,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:13:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:13:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:13:49,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:13:49,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200761294] [2024-04-05 21:13:49,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200761294] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:13:49,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897001829] [2024-04-05 21:13:49,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:13:49,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:13:49,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:13:49,371 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:13:49,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 21:13:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:13:49,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 45 conjunts are in the unsatisfiable core [2024-04-05 21:13:49,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:13:49,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-04-05 21:13:49,654 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-04-05 21:13:49,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-04-05 21:13:50,123 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 21:13:50,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2024-04-05 21:13:50,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-04-05 21:13:50,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 21:13:50,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 21:13:50,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:13:50,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:13:52,455 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:13:52,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 51 [2024-04-05 21:13:52,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:13:52,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 152 treesize of output 144 [2024-04-05 21:13:52,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:13:52,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 116 [2024-04-05 21:13:52,499 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:13:52,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 79 [2024-04-05 21:13:52,741 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:13:52,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 50 [2024-04-05 21:13:52,752 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 21:13:52,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 136 [2024-04-05 21:13:52,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:13:52,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 89 [2024-04-05 21:13:52,773 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 21:13:52,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 100 [2024-04-05 21:13:55,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:13:55,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897001829] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:13:55,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:13:55,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23, 23] total 56 [2024-04-05 21:13:55,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681443109] [2024-04-05 21:13:55,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:13:55,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-04-05 21:13:55,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:13:55,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-04-05 21:13:55,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=2443, Unknown=31, NotChecked=0, Total=3080 [2024-04-05 21:13:55,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:55,738 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:13:55,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 5.142857142857143) internal successors, (288), 56 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:13:55,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:55,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:55,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:13:55,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:55,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:58,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:13:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:13:58,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 21:13:58,285 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 [2024-04-05 21:13:58,286 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:13:58,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:13:58,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1003399978, now seen corresponding path program 2 times [2024-04-05 21:13:58,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:13:58,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339498430] [2024-04-05 21:13:58,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:13:58,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:13:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:13:58,410 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-04-05 21:13:58,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:13:58,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339498430] [2024-04-05 21:13:58,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339498430] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:13:58,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:13:58,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-05 21:13:58,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966847755] [2024-04-05 21:13:58,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:13:58,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-05 21:13:58,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:13:58,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-05 21:13:58,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-05 21:13:58,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:58,416 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:13:58,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:13:58,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:58,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:58,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:13:58,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:58,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:13:58,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:58,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:13:58,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:58,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:13:58,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:13:58,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-05 21:13:58,529 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:13:58,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:13:58,530 INFO L85 PathProgramCache]: Analyzing trace with hash 2050895259, now seen corresponding path program 3 times [2024-04-05 21:13:58,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:13:58,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052920242] [2024-04-05 21:13:58,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:13:58,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:13:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:13:58,722 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 21:13:58,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:13:58,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052920242] [2024-04-05 21:13:58,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052920242] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 21:13:58,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 21:13:58,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-05 21:13:58,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159926144] [2024-04-05 21:13:58,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 21:13:58,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-05 21:13:58,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:13:58,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-05 21:13:58,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-05 21:13:58,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:58,727 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:13:58,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:13:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:13:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:13:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:13:58,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:13:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:13:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:13:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:13:58,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:13:58,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:13:58,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-05 21:13:58,831 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:13:58,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:13:58,831 INFO L85 PathProgramCache]: Analyzing trace with hash 4705723, now seen corresponding path program 1 times [2024-04-05 21:13:58,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:13:58,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847960388] [2024-04-05 21:13:58,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:13:58,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:13:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:14:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:14:00,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:14:00,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847960388] [2024-04-05 21:14:00,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847960388] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:14:00,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767821880] [2024-04-05 21:14:00,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:14:00,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:14:00,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:14:00,070 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:14:00,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 21:14:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:14:00,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 35 conjunts are in the unsatisfiable core [2024-04-05 21:14:00,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:14:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:14:01,060 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:14:01,497 INFO L349 Elim1Store]: treesize reduction 10, result has 73.0 percent of original size [2024-04-05 21:14:01,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 50 [2024-04-05 21:14:03,000 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:14:03,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767821880] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:14:03,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:14:03,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 17] total 47 [2024-04-05 21:14:03,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602381309] [2024-04-05 21:14:03,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:14:03,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-05 21:14:03,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:14:03,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-05 21:14:03,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=1802, Unknown=0, NotChecked=0, Total=2162 [2024-04-05 21:14:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:14:03,003 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:14:03,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 7.404255319148936) internal successors, (348), 47 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:14:03,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:14:03,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:14:03,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:14:03,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:14:03,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-05 21:14:03,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:14:03,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:14:03,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:14:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:14:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:14:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:14:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:14:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:14:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:14:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:14:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-05 21:14:04,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 21:14:04,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:14:04,956 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:14:04,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:14:04,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1097160181, now seen corresponding path program 2 times [2024-04-05 21:14:04,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:14:04,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943283464] [2024-04-05 21:14:04,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:14:04,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:14:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:14:07,323 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:14:07,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:14:07,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943283464] [2024-04-05 21:14:07,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943283464] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:14:07,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022003875] [2024-04-05 21:14:07,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 21:14:07,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:14:07,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:14:07,330 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:14:07,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 21:14:07,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 21:14:07,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:14:07,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 63 conjunts are in the unsatisfiable core [2024-04-05 21:14:07,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:14:08,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-04-05 21:14:08,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 21:14:08,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 21:14:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:14:09,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:14:12,285 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:14:12,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 183 treesize of output 123 [2024-04-05 21:14:12,354 INFO L349 Elim1Store]: treesize reduction 30, result has 64.7 percent of original size [2024-04-05 21:14:12,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 800 treesize of output 750 [2024-04-05 21:14:12,387 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:12,387 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:12,389 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:12,425 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:14:12,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 256 treesize of output 270 [2024-04-05 21:14:12,510 INFO L349 Elim1Store]: treesize reduction 30, result has 64.7 percent of original size [2024-04-05 21:14:12,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 255 treesize of output 229 [2024-04-05 21:14:14,256 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:14:14,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 182 treesize of output 122 [2024-04-05 21:14:14,286 INFO L349 Elim1Store]: treesize reduction 72, result has 15.3 percent of original size [2024-04-05 21:14:14,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 792 treesize of output 700 [2024-04-05 21:14:14,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:14:14,303 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:14,303 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:14:14,305 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:14:14,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 256 treesize of output 216 [2024-04-05 21:14:14,337 INFO L349 Elim1Store]: treesize reduction 72, result has 15.3 percent of original size [2024-04-05 21:14:14,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 255 treesize of output 187 [2024-04-05 21:14:15,335 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:14:15,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022003875] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:14:15,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:14:15,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 31, 28] total 77 [2024-04-05 21:14:15,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752990899] [2024-04-05 21:14:15,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:14:15,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-04-05 21:14:15,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:14:15,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-04-05 21:14:15,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1004, Invalid=4807, Unknown=41, NotChecked=0, Total=5852 [2024-04-05 21:14:15,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:14:15,340 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:14:15,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 5.6103896103896105) internal successors, (432), 77 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:14:15,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:14:15,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:14:15,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:14:15,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:14:15,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:14:15,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:14:15,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:14:15,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-05 21:14:15,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:14:15,478 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse12 (* c_~back~0 4)) (.cse13 (* c_~front~0 4))) (let ((.cse29 (+ c_~queue~0.offset .cse13 4)) (.cse30 (+ c_~queue~0.offset .cse13)) (.cse27 (+ c_~queue~0.offset .cse12)) (.cse39 (select |c_#memory_int| c_~queue~0.base)) (.cse32 (+ c_~queue~0.offset .cse12 4))) (let ((.cse35 (+ c_~front~0 1)) (.cse38 (select .cse39 .cse32)) (.cse52 (select .cse39 .cse27)) (.cse31 (+ c_~queue~0.offset .cse13 8)) (.cse49 (select .cse39 .cse30)) (.cse54 (select .cse39 .cse29))) (let ((.cse36 (let ((.cse55 (+ c_~sum~0 (select .cse39 .cse31) .cse49 .cse54))) (and (<= 0 .cse55) (<= .cse55 1)))) (.cse25 (not (= .cse52 1))) (.cse1 (and (<= c_~sum~0 0) (<= 0 (+ c_~sum~0 1)) (= c_~back~0 c_~front~0))) (.cse22 (let ((.cse53 (+ c_~sum~0 .cse49 .cse54))) (and (<= .cse53 1) (<= 0 .cse53)))) (.cse34 (not (= .cse38 1))) (.cse23 (< c_~n~0 (+ 2 c_~front~0))) (.cse24 (< .cse35 0)) (.cse37 (not (= (+ .cse52 1) 0))) (.cse0 (< c_~n~0 (+ 3 c_~front~0))) (.cse2 (< c_~back~0 c_~front~0)) (.cse28 (+ c_~queue~0.offset .cse12 8)) (.cse3 (< c_~front~0 0))) (and (or (< (+ 3 |c_ULTIMATE.start_create_fresh_int_array_~i~0#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse0 .cse1 .cse2 .cse3) (or (let ((.cse5 (+ .cse12 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse6 (+ .cse12 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse8 (+ .cse13 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse9 (+ .cse13 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse10 (+ .cse13 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse7 (+ .cse12 8 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (and (forall ((v_ArrVal_160 (Array Int Int)) (v_ArrVal_159 (Array Int Int))) (let ((.cse4 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_159) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_160) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (+ (select .cse4 .cse5) 1) 0)) (not (= 1 (select .cse4 .cse6))) (not (= (select .cse4 .cse7) 1)) (< 0 (+ c_~sum~0 (select .cse4 .cse8) (select .cse4 .cse9) (select .cse4 .cse10) 1))))) (forall ((v_ArrVal_160 (Array Int Int)) (v_ArrVal_159 (Array Int Int))) (let ((.cse11 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_159) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_160) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (or (not (= (+ (select .cse11 .cse5) 1) 0)) (not (= 1 (select .cse11 .cse6))) (< (+ c_~sum~0 (select .cse11 .cse8) (select .cse11 .cse9) (select .cse11 .cse10)) 2) (not (= (select .cse11 .cse7) 1))))))) .cse0 .cse2 .cse3) (or .cse0 .cse2 (let ((.cse15 (+ .cse12 |c_ULTIMATE.start_main_#t~ret11#1.offset| 4)) (.cse16 (+ .cse12 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse18 (+ .cse13 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse19 (+ .cse13 8 |c_ULTIMATE.start_main_#t~ret11#1.offset|)) (.cse20 (+ .cse13 |c_ULTIMATE.start_main_#t~ret11#1.offset| 4)) (.cse17 (+ .cse12 8 |c_ULTIMATE.start_main_#t~ret11#1.offset|))) (and (forall ((v_ArrVal_160 (Array Int Int)) (v_ArrVal_159 (Array Int Int))) (let ((.cse14 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_159) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_160) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (+ (select .cse14 .cse15) 1) 0)) (not (= (select .cse14 .cse16) 1)) (not (= (select .cse14 .cse17) 1)) (< 0 (+ (select .cse14 .cse18) c_~sum~0 (select .cse14 .cse19) (select .cse14 .cse20) 1))))) (forall ((v_ArrVal_160 (Array Int Int)) (v_ArrVal_159 (Array Int Int))) (let ((.cse21 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_159) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_160) |c_ULTIMATE.start_main_#t~ret11#1.base|))) (or (not (= (+ (select .cse21 .cse15) 1) 0)) (not (= (select .cse21 .cse16) 1)) (< (+ (select .cse21 .cse18) c_~sum~0 (select .cse21 .cse19) (select .cse21 .cse20)) 2) (not (= (select .cse21 .cse17) 1))))))) .cse3) (or .cse22 .cse23 .cse24 .cse25) (or .cse0 (< 3 |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse1 .cse2 .cse3) (or .cse0 .cse2 (and (forall ((v_ArrVal_160 (Array Int Int))) (let ((.cse26 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_160) c_~queue~0.base))) (or (not (= (select .cse26 .cse27) 1)) (not (= (select .cse26 .cse28) 1)) (< (+ c_~sum~0 (select .cse26 .cse29) (select .cse26 .cse30) (select .cse26 .cse31)) 2) (not (= (+ (select .cse26 .cse32) 1) 0))))) (forall ((v_ArrVal_160 (Array Int Int))) (let ((.cse33 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_160) c_~queue~0.base))) (or (not (= (select .cse33 .cse27) 1)) (not (= (select .cse33 .cse28) 1)) (< 0 (+ c_~sum~0 (select .cse33 .cse29) (select .cse33 .cse30) (select .cse33 .cse31) 1)) (not (= (+ (select .cse33 .cse32) 1) 0)))))) .cse3) (or .cse34 .cse0 (< c_~back~0 .cse35) .cse36 .cse37 .cse3) (or .cse0 .cse1 .cse2 (< (+ 3 |c_ULTIMATE.start_create_fresh_int_array_#t~post19#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) .cse3) (or .cse0 (not (= (+ .cse38 1) 0)) .cse2 (not (= (select .cse39 .cse28) 1)) .cse36 .cse3 .cse25) (or .cse0 .cse2 (let ((.cse41 (+ .cse12 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse42 (+ .cse12 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) (.cse43 (+ .cse13 8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse44 (+ .cse13 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4)) (.cse45 (+ .cse13 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse46 (+ .cse12 8 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (and (forall ((v_ArrVal_160 (Array Int Int)) (v_ArrVal_159 (Array Int Int))) (let ((.cse40 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_159) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_160) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse40 .cse41) 1)) (not (= (+ (select .cse40 .cse42) 1) 0)) (< 0 (+ c_~sum~0 (select .cse40 .cse43) (select .cse40 .cse44) (select .cse40 .cse45) 1)) (not (= (select .cse40 .cse46) 1))))) (forall ((v_ArrVal_160 (Array Int Int)) (v_ArrVal_159 (Array Int Int))) (let ((.cse47 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_159) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_160) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse47 .cse41) 1)) (not (= (+ (select .cse47 .cse42) 1) 0)) (< (+ c_~sum~0 (select .cse47 .cse43) (select .cse47 .cse44) (select .cse47 .cse45)) 2) (not (= (select .cse47 .cse46) 1))))))) .cse3) (or .cse0 .cse1 .cse2 (< 3 |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) .cse3) (or (< c_~n~0 .cse35) (let ((.cse48 (+ c_~sum~0 .cse49))) (and (<= .cse48 1) (<= 0 .cse48))) .cse3) (or .cse22 .cse34 .cse23 .cse24 .cse37) (or .cse0 .cse2 (and (forall ((v_ArrVal_160 (Array Int Int)) (v_ArrVal_159 (Array Int Int))) (let ((.cse50 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_159) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_160) c_~queue~0.base))) (or (not (= (select .cse50 .cse28) 1)) (< 0 (+ (select .cse50 .cse30) c_~sum~0 (select .cse50 .cse29) (select .cse50 .cse31) 1)) (not (= (select .cse50 .cse27) 1)) (not (= (+ (select .cse50 .cse32) 1) 0))))) (forall ((v_ArrVal_160 (Array Int Int)) (v_ArrVal_159 (Array Int Int))) (let ((.cse51 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_159) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_160) c_~queue~0.base))) (or (< (+ (select .cse51 .cse30) c_~sum~0 (select .cse51 .cse29) (select .cse51 .cse31)) 2) (not (= (select .cse51 .cse28) 1)) (not (= (select .cse51 .cse27) 1)) (not (= (+ (select .cse51 .cse32) 1) 0)))))) .cse3) (= c_~sum~0 0)))))) is different from false [2024-04-05 21:14:19,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:14:19,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:14:19,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:14:19,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:14:19,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:14:19,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:14:19,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:14:19,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:14:19,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-05 21:14:19,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 21:14:19,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:14:19,776 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:14:19,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:14:19,777 INFO L85 PathProgramCache]: Analyzing trace with hash 699788879, now seen corresponding path program 3 times [2024-04-05 21:14:19,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:14:19,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195685526] [2024-04-05 21:14:19,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:14:19,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:14:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:14:22,768 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 1 proven. 159 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:14:22,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:14:22,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195685526] [2024-04-05 21:14:22,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195685526] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:14:22,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116853100] [2024-04-05 21:14:22,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 21:14:22,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:14:22,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:14:22,771 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) [2024-04-05 21:14:22,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 21:14:23,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-05 21:14:23,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:14:23,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 74 conjunts are in the unsatisfiable core [2024-04-05 21:14:23,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:14:24,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-04-05 21:14:24,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 21:14:24,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 21:14:26,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:14:26,772 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:14:26,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:14:26,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:14:26,776 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:26,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:14:26,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:14:26,782 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:14:26,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 28 [2024-04-05 21:14:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:14:26,807 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:14:39,317 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:14:39,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 238 treesize of output 154 [2024-04-05 21:14:39,548 INFO L349 Elim1Store]: treesize reduction 116, result has 49.3 percent of original size [2024-04-05 21:14:39,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 474 treesize of output 521 [2024-04-05 21:14:39,754 INFO L349 Elim1Store]: treesize reduction 128, result has 44.1 percent of original size [2024-04-05 21:14:39,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 409 treesize of output 411 [2024-04-05 21:14:39,917 INFO L349 Elim1Store]: treesize reduction 128, result has 44.1 percent of original size [2024-04-05 21:14:39,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 280 treesize of output 331 [2024-04-05 21:14:48,627 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:14:48,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 155 [2024-04-05 21:14:48,705 INFO L349 Elim1Store]: treesize reduction 212, result has 7.4 percent of original size [2024-04-05 21:14:48,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 1006 treesize of output 892 [2024-04-05 21:14:48,739 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:48,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:14:48,740 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:48,741 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:48,741 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:48,742 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:48,742 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:48,743 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:48,743 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:48,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:14:48,745 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:48,745 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:48,746 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:48,747 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:14:48,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:14:48,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:14:48,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 329 treesize of output 280 [2024-04-05 21:14:48,842 INFO L349 Elim1Store]: treesize reduction 212, result has 7.4 percent of original size [2024-04-05 21:14:48,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 329 treesize of output 247 [2024-04-05 21:14:50,875 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:14:50,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116853100] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:14:50,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:14:50,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34, 31] total 87 [2024-04-05 21:14:50,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070378140] [2024-04-05 21:14:50,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:14:50,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-04-05 21:14:50,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:14:50,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-04-05 21:14:50,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1309, Invalid=6144, Unknown=29, NotChecked=0, Total=7482 [2024-04-05 21:14:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:14:50,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:14:50,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 5.793103448275862) internal successors, (504), 87 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:14:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:14:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:14:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:14:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:14:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:14:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:14:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:14:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:14:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-05 21:14:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:04,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-05 21:15:08,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-05 21:15:16,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-05 21:15:18,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-05 21:15:23,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-05 21:15:26,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-05 21:15:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:15:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:15:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:15:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:15:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:15:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:15:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:15:27,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 21:15:27,824 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,SelfDestructingSolverStorable9 [2024-04-05 21:15:27,824 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:15:27,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:15:27,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1041634953, now seen corresponding path program 4 times [2024-04-05 21:15:27,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:15:27,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028005364] [2024-04-05 21:15:27,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:15:27,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:15:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:15:31,135 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 17 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:15:31,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:15:31,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028005364] [2024-04-05 21:15:31,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028005364] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:15:31,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833702413] [2024-04-05 21:15:31,136 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 21:15:31,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:15:31,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:15:31,144 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) [2024-04-05 21:15:31,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 21:15:31,331 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 21:15:31,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:15:31,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 71 conjunts are in the unsatisfiable core [2024-04-05 21:15:31,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:15:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 29 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:15:33,438 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:15:34,993 INFO L349 Elim1Store]: treesize reduction 100, result has 58.5 percent of original size [2024-04-05 21:15:34,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 176 treesize of output 184 [2024-04-05 21:15:36,712 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:15:36,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833702413] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:15:36,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:15:36,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 30, 30] total 84 [2024-04-05 21:15:36,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180481491] [2024-04-05 21:15:36,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:15:36,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-04-05 21:15:36,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:15:36,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-04-05 21:15:36,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=5842, Unknown=0, NotChecked=0, Total=6972 [2024-04-05 21:15:36,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:36,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:15:36,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.714285714285714) internal successors, (564), 84 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:15:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:15:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:15:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:15:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:15:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:15:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:15:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:15:36,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:15:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:15:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:15:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:15:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:15:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:15:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:15:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:15:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:15:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-05 21:15:41,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 21:15:41,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:15:41,809 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:15:41,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:15:41,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1813073635, now seen corresponding path program 5 times [2024-04-05 21:15:41,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:15:41,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052489536] [2024-04-05 21:15:41,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:15:41,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:15:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:15:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 46 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:15:46,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:15:46,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052489536] [2024-04-05 21:15:46,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052489536] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:15:46,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758129495] [2024-04-05 21:15:46,498 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 21:15:46,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:15:46,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:15:46,499 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) [2024-04-05 21:15:46,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 21:15:46,659 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-05 21:15:46,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:15:46,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 84 conjunts are in the unsatisfiable core [2024-04-05 21:15:46,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:15:49,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:15:49,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:15:49,691 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:15:49,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:15:49,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 21:15:49,694 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:15:49,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 82 treesize of output 33 [2024-04-05 21:15:49,714 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 30 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:15:49,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:15:58,806 INFO L349 Elim1Store]: treesize reduction 150, result has 70.6 percent of original size [2024-04-05 21:15:58,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 232 treesize of output 435 [2024-04-05 21:16:02,281 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-05 21:16:02,392 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-05 21:16:02,434 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-05 21:16:02,469 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-05 21:16:02,784 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-05 21:16:02,904 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-05 21:16:02,928 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-05 21:16:02,965 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-05 21:16:03,544 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-05 21:16:03,573 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-05 21:16:05,039 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-05 21:16:05,095 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-05 21:16:05,346 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-05 21:16:05,402 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-05 21:16:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 379 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:16:09,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758129495] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:16:09,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:16:09,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 33] total 100 [2024-04-05 21:16:09,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313621457] [2024-04-05 21:16:09,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:16:09,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-04-05 21:16:09,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:16:09,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-04-05 21:16:09,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1342, Invalid=8555, Unknown=3, NotChecked=0, Total=9900 [2024-04-05 21:16:09,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:09,739 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:16:09,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 6.37) internal successors, (637), 100 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:16:09,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:09,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:09,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:16:09,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:09,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:16:09,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:09,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:09,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:16:09,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:16:09,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:16:09,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-05 21:16:09,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:16:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:16:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:16:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:16:13,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:16:13,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-05 21:16:13,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 21:16:13,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-05 21:16:13,645 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,SelfDestructingSolverStorable11 [2024-04-05 21:16:13,646 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:16:13,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:16:13,646 INFO L85 PathProgramCache]: Analyzing trace with hash 139930263, now seen corresponding path program 6 times [2024-04-05 21:16:13,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:16:13,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799990573] [2024-04-05 21:16:13,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:16:13,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:16:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:16:22,373 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 15 proven. 415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:16:22,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:16:22,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799990573] [2024-04-05 21:16:22,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799990573] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:16:22,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095804350] [2024-04-05 21:16:22,374 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 21:16:22,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:16:22,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:16:22,375 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) [2024-04-05 21:16:22,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 21:16:22,782 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-04-05 21:16:22,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:16:22,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 67 conjunts are in the unsatisfiable core [2024-04-05 21:16:22,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:16:24,424 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 92 proven. 282 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-05 21:16:24,424 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:16:26,100 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:16:26,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 211 treesize of output 400 [2024-04-05 21:16:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-05 21:16:27,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095804350] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:16:27,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:16:27,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 24, 17] total 71 [2024-04-05 21:16:27,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580002010] [2024-04-05 21:16:27,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:16:27,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-04-05 21:16:27,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:16:27,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-04-05 21:16:27,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=4534, Unknown=0, NotChecked=0, Total=4970 [2024-04-05 21:16:27,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:27,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:16:27,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 8.267605633802816) internal successors, (587), 71 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:16:27,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:27,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:27,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:16:27,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:27,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:16:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:16:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:16:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:16:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-05 21:16:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-05 21:16:27,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:35,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:16:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:16:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:16:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:16:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:16:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-05 21:16:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 21:16:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-05 21:16:35,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-04-05 21:16:36,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:16:36,045 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:16:36,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:16:36,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1898388054, now seen corresponding path program 7 times [2024-04-05 21:16:36,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:16:36,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446839214] [2024-04-05 21:16:36,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:16:36,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:16:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:16:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 537 proven. 358 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-04-05 21:16:36,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:16:36,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446839214] [2024-04-05 21:16:36,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446839214] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:16:36,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747504999] [2024-04-05 21:16:36,976 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 21:16:36,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:16:36,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:16:36,977 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) [2024-04-05 21:16:36,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 21:16:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:16:37,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-05 21:16:37,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:16:38,247 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 663 proven. 232 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-04-05 21:16:38,248 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:16:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 500 proven. 395 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-04-05 21:16:39,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747504999] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:16:39,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:16:39,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 82 [2024-04-05 21:16:39,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153482947] [2024-04-05 21:16:39,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:16:39,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-04-05 21:16:39,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:16:39,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-04-05 21:16:39,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=5627, Unknown=0, NotChecked=0, Total=6642 [2024-04-05 21:16:39,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:39,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:16:39,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 8.268292682926829) internal successors, (678), 82 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:16:39,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:39,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:39,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:16:39,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:39,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:16:39,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:39,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:39,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:16:39,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:16:39,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:16:39,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-05 21:16:39,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-05 21:16:39,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-04-05 21:16:39,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:16:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:16:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:16:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:16:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:16:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-05 21:16:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 21:16:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-05 21:16:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 21:16:40,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-05 21:16:40,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-05 21:16:40,683 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:16:40,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:16:40,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1565878282, now seen corresponding path program 8 times [2024-04-05 21:16:40,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:16:40,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719481225] [2024-04-05 21:16:40,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:16:40,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:16:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:16:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 512 proven. 479 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-05 21:16:41,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:16:41,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719481225] [2024-04-05 21:16:41,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719481225] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:16:41,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766289910] [2024-04-05 21:16:41,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 21:16:41,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:16:41,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:16:41,839 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) [2024-04-05 21:16:41,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-05 21:16:41,971 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 21:16:41,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:16:41,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 38 conjunts are in the unsatisfiable core [2024-04-05 21:16:41,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:16:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 552 proven. 439 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-05 21:16:43,674 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:16:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 623 proven. 368 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-05 21:16:45,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766289910] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:16:45,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:16:45,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 36] total 102 [2024-04-05 21:16:45,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217697855] [2024-04-05 21:16:45,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:16:45,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-04-05 21:16:45,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:16:45,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-04-05 21:16:45,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1748, Invalid=8554, Unknown=0, NotChecked=0, Total=10302 [2024-04-05 21:16:45,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:45,671 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:16:45,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 8.127450980392156) internal successors, (829), 102 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:16:45,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:45,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:45,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:16:45,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:45,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:16:45,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:45,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:45,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:16:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:16:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:16:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-05 21:16:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-05 21:16:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-04-05 21:16:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 21:16:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:47,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:16:47,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:47,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:16:47,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:16:47,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:16:47,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:47,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:16:47,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:16:47,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:16:47,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:16:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-05 21:16:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 21:16:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-05 21:16:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 21:16:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-05 21:16:47,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-05 21:16:47,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-05 21:16:47,775 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:16:47,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:16:47,775 INFO L85 PathProgramCache]: Analyzing trace with hash 285524414, now seen corresponding path program 9 times [2024-04-05 21:16:47,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:16:47,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940582366] [2024-04-05 21:16:47,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:16:47,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:16:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:16:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 438 proven. 629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:16:55,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:16:55,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940582366] [2024-04-05 21:16:55,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940582366] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:16:55,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173498366] [2024-04-05 21:16:55,442 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 21:16:55,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:16:55,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:16:55,443 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:16:55,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-05 21:16:55,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-04-05 21:16:55,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:16:56,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 69 conjunts are in the unsatisfiable core [2024-04-05 21:16:56,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:16:59,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 186 proven. 511 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-05 21:16:59,178 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:17:04,168 INFO L349 Elim1Store]: treesize reduction 360, result has 54.6 percent of original size [2024-04-05 21:17:04,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 312 treesize of output 504 [2024-04-05 21:17:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 23 proven. 674 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-05 21:17:05,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173498366] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:17:05,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:17:05,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 24, 24] total 95 [2024-04-05 21:17:05,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531867089] [2024-04-05 21:17:05,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:17:05,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2024-04-05 21:17:05,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:17:05,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2024-04-05 21:17:05,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=848, Invalid=8082, Unknown=0, NotChecked=0, Total=8930 [2024-04-05 21:17:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:17:05,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:17:05,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 8.105263157894736) internal successors, (770), 95 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 21:17:05,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-05 21:17:05,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:17:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:17:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:17:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:17:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:17:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:17:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:17:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:17:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:17:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:17:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:17:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-05 21:17:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 21:17:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-05 21:17:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 21:17:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-05 21:17:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-04-05 21:17:21,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-05 21:17:21,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:17:21,394 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:17:21,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:17:21,394 INFO L85 PathProgramCache]: Analyzing trace with hash -997582131, now seen corresponding path program 10 times [2024-04-05 21:17:21,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:17:21,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033881820] [2024-04-05 21:17:21,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:17:21,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:17:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:17:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 94 proven. 1092 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:17:40,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:17:40,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033881820] [2024-04-05 21:17:40,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033881820] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:17:40,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93695243] [2024-04-05 21:17:40,730 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 21:17:40,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:17:40,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:17:40,731 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:17:40,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-05 21:17:41,058 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 21:17:41,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:17:41,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 130 conjunts are in the unsatisfiable core [2024-04-05 21:17:41,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:17:47,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 45 proven. 1141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:17:47,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:17:54,588 INFO L349 Elim1Store]: treesize reduction 450, result has 54.1 percent of original size [2024-04-05 21:17:54,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 347 treesize of output 610 [2024-04-05 21:17:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 12 proven. 1174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:17:58,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93695243] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 21:17:58,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 21:17:58,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 51, 51] total 146 [2024-04-05 21:17:58,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784800252] [2024-04-05 21:17:58,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 21:17:58,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2024-04-05 21:17:58,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 21:17:58,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2024-04-05 21:17:58,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2914, Invalid=18256, Unknown=0, NotChecked=0, Total=21170 [2024-04-05 21:17:58,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:17:58,800 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 21:17:58,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 146 states, 146 states have (on average 6.424657534246576) internal successors, (938), 146 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-04-05 21:17:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:18:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-04-05 21:18:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-05 21:18:19,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-05 21:18:19,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-05 21:18:19,648 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-05 21:18:19,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 21:18:19,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1692061613, now seen corresponding path program 11 times [2024-04-05 21:18:19,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 21:18:19,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900255675] [2024-04-05 21:18:19,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 21:18:19,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 21:18:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 21:18:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 514 proven. 1094 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:18:29,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 21:18:29,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900255675] [2024-04-05 21:18:29,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900255675] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 21:18:29,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185561314] [2024-04-05 21:18:29,030 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 21:18:29,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 21:18:29,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 21:18:29,031 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 21:18:29,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-05 21:18:29,492 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-04-05 21:18:29,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 21:18:29,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 171 conjunts are in the unsatisfiable core [2024-04-05 21:18:29,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 21:18:29,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-04-05 21:18:29,556 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-04-05 21:18:29,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-04-05 21:18:29,959 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 21:18:29,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2024-04-05 21:18:32,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-04-05 21:18:33,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 21:18:33,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 21:18:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 60 proven. 1548 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 21:18:40,587 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 21:18:58,033 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:18:58,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 723 treesize of output 447 [2024-04-05 21:19:00,269 INFO L349 Elim1Store]: treesize reduction 660, result has 53.4 percent of original size [2024-04-05 21:19:00,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 2942 treesize of output 3270 [2024-04-05 21:19:00,425 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,428 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,429 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,430 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,431 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,431 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,432 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,432 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,442 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,444 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,446 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,448 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,448 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,449 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,455 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,457 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,466 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,467 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,471 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,472 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,473 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,473 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,473 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,474 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,476 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,476 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,477 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,489 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,490 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,491 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,491 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,493 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,493 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,493 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,494 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,495 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,496 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,496 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,499 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,499 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,500 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,505 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,507 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,508 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,510 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,511 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,512 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,512 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,513 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,514 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,515 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,515 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,516 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,516 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,517 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,518 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,521 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,522 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,523 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,523 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,524 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,524 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,525 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,526 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,526 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,527 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 21:19:00,527 INFO L224 Elim1Store]: Index analysis took 101 ms [2024-04-05 21:19:01,374 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 21:19:01,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 198 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 78 case distinctions, treesize of input 980 treesize of output 1570 [2024-04-05 21:19:03,450 INFO L349 Elim1Store]: treesize reduction 660, result has 53.4 percent of original size [2024-04-05 21:19:03,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 979 treesize of output 1403 [2024-04-05 21:25:16,105 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-04-05 21:25:16,108 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 101 [2024-04-05 21:25:16,109 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-04-05 21:25:16,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-05 21:25:16,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-05 21:25:16,313 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 77 more [2024-04-05 21:25:16,317 INFO L158 Benchmark]: Toolchain (without parser) took 690796.33ms. Allocated memory was 158.3MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 90.2MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2024-04-05 21:25:16,318 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 158.3MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 21:25:16,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.31ms. Allocated memory is still 158.3MB. Free memory was 89.9MB in the beginning and 78.2MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 21:25:16,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.80ms. Allocated memory was 158.3MB in the beginning and 260.0MB in the end (delta: 101.7MB). Free memory was 78.2MB in the beginning and 232.6MB in the end (delta: -154.4MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2024-04-05 21:25:16,318 INFO L158 Benchmark]: Boogie Preprocessor took 40.83ms. Allocated memory is still 260.0MB. Free memory was 232.6MB in the beginning and 231.0MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-05 21:25:16,318 INFO L158 Benchmark]: RCFGBuilder took 555.74ms. Allocated memory is still 260.0MB. Free memory was 231.0MB in the beginning and 208.0MB in the end (delta: 23.1MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2024-04-05 21:25:16,319 INFO L158 Benchmark]: TraceAbstraction took 689919.99ms. Allocated memory was 260.0MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 206.9MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2024-04-05 21:25:16,320 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 158.3MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 210.31ms. Allocated memory is still 158.3MB. Free memory was 89.9MB in the beginning and 78.2MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.80ms. Allocated memory was 158.3MB in the beginning and 260.0MB in the end (delta: 101.7MB). Free memory was 78.2MB in the beginning and 232.6MB in the end (delta: -154.4MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.83ms. Allocated memory is still 260.0MB. Free memory was 232.6MB in the beginning and 231.0MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 555.74ms. Allocated memory is still 260.0MB. Free memory was 231.0MB in the beginning and 208.0MB in the end (delta: 23.1MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 689919.99ms. Allocated memory was 260.0MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 206.9MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-04-05 21:25:16,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...