/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 00:08:36,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 00:08:36,220 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 00:08:36,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 00:08:36,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 00:08:36,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 00:08:36,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 00:08:36,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 00:08:36,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 00:08:36,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 00:08:36,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 00:08:36,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 00:08:36,240 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 00:08:36,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 00:08:36,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 00:08:36,240 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 00:08:36,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 00:08:36,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 00:08:36,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 00:08:36,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 00:08:36,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 00:08:36,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 00:08:36,244 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 00:08:36,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 00:08:36,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 00:08:36,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 00:08:36,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 00:08:36,245 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 00:08:36,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 00:08:36,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 00:08:36,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 00:08:36,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 00:08:36,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 00:08:36,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 00:08:36,246 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 00:08:36,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 00:08:36,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 00:08:36,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 00:08:36,247 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 00:08:36,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 00:08:36,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 00:08:36,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 00:08:36,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 00:08:36,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 00:08:36,483 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 00:08:36,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2024-04-06 00:08:37,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 00:08:37,785 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 00:08:37,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive-alt.wvr.c [2024-04-06 00:08:37,793 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aadd8b701/d7267b4448a845a9a43c8d20852daf61/FLAGd3b85c33e [2024-04-06 00:08:37,810 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aadd8b701/d7267b4448a845a9a43c8d20852daf61 [2024-04-06 00:08:37,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 00:08:37,814 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 00:08:37,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 00:08:37,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 00:08:37,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 00:08:37,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 12:08:37" (1/1) ... [2024-04-06 00:08:37,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77aaeeda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:37, skipping insertion in model container [2024-04-06 00:08:37,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 12:08:37" (1/1) ... [2024-04-06 00:08:37,846 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 00:08:37,969 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] [2024-04-06 00:08:37,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 00:08:37,982 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 00:08:37,996 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] [2024-04-06 00:08:37,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 00:08:38,004 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 00:08:38,004 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-06 00:08:38,010 INFO L206 MainTranslator]: Completed translation [2024-04-06 00:08:38,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:38 WrapperNode [2024-04-06 00:08:38,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 00:08:38,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 00:08:38,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 00:08:38,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 00:08:38,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:38" (1/1) ... [2024-04-06 00:08:38,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:38" (1/1) ... [2024-04-06 00:08:38,040 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 147 [2024-04-06 00:08:38,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 00:08:38,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 00:08:38,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 00:08:38,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 00:08:38,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:38" (1/1) ... [2024-04-06 00:08:38,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:38" (1/1) ... [2024-04-06 00:08:38,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:38" (1/1) ... [2024-04-06 00:08:38,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:38" (1/1) ... [2024-04-06 00:08:38,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:38" (1/1) ... [2024-04-06 00:08:38,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:38" (1/1) ... [2024-04-06 00:08:38,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:38" (1/1) ... [2024-04-06 00:08:38,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:38" (1/1) ... [2024-04-06 00:08:38,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 00:08:38,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 00:08:38,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 00:08:38,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 00:08:38,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:38" (1/1) ... [2024-04-06 00:08:38,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 00:08:38,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:08:38,102 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) [2024-04-06 00:08:38,109 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 [2024-04-06 00:08:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 00:08:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 00:08:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 00:08:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 00:08:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 00:08:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 00:08:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 00:08:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 00:08:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-06 00:08:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-06 00:08:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-06 00:08:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 00:08:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 00:08:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-06 00:08:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 00:08:38,145 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 00:08:38,249 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 00:08:38,251 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 00:08:38,556 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 00:08:38,621 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 00:08:38,621 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-06 00:08:38,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 12:08:38 BoogieIcfgContainer [2024-04-06 00:08:38,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 00:08:38,624 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 00:08:38,624 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 00:08:38,626 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 00:08:38,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 12:08:37" (1/3) ... [2024-04-06 00:08:38,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0dc5be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 12:08:38, skipping insertion in model container [2024-04-06 00:08:38,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:08:38" (2/3) ... [2024-04-06 00:08:38,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0dc5be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 12:08:38, skipping insertion in model container [2024-04-06 00:08:38,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 12:08:38" (3/3) ... [2024-04-06 00:08:38,628 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive-alt.wvr.c [2024-04-06 00:08:38,634 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 00:08:38,641 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 00:08:38,641 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 00:08:38,642 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 00:08:38,705 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-06 00:08:38,737 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 00:08:38,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 00:08:38,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:08:38,739 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) [2024-04-06 00:08:38,740 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 [2024-04-06 00:08:38,767 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 00:08:38,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:08:38,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 00:08:38,794 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;@3cd784fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-06 00:08:38,794 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-06 00:08:38,871 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:08:38,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:08:38,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1339139068, now seen corresponding path program 1 times [2024-04-06 00:08:38,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:08:38,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931591170] [2024-04-06 00:08:38,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:08:38,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:08:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:08:39,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:08:39,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:08:39,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931591170] [2024-04-06 00:08:39,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931591170] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:08:39,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 00:08:39,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 00:08:39,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485666194] [2024-04-06 00:08:39,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:08:39,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 00:08:39,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:08:39,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 00:08:39,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 00:08:39,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:39,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:08:39,163 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) [2024-04-06 00:08:39,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:39,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 00:08:39,193 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:08:39,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:08:39,194 INFO L85 PathProgramCache]: Analyzing trace with hash 103214375, now seen corresponding path program 1 times [2024-04-06 00:08:39,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:08:39,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598619265] [2024-04-06 00:08:39,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:08:39,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:08:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:08:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:08:39,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:08:39,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598619265] [2024-04-06 00:08:39,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598619265] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:08:39,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 00:08:39,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-06 00:08:39,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252130650] [2024-04-06 00:08:39,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:08:39,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-06 00:08:39,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:08:39,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-06 00:08:39,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-06 00:08:39,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:39,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:08:39,518 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) [2024-04-06 00:08:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:39,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:39,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:39,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 00:08:39,663 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:08:39,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:08:39,663 INFO L85 PathProgramCache]: Analyzing trace with hash -392084932, now seen corresponding path program 1 times [2024-04-06 00:08:39,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:08:39,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610993202] [2024-04-06 00:08:39,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:08:39,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:08:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:08:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:08:39,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:08:39,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610993202] [2024-04-06 00:08:39,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610993202] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:08:39,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 00:08:39,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 00:08:39,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191070678] [2024-04-06 00:08:39,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:08:39,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 00:08:39,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:08:39,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 00:08:39,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 00:08:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:39,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:08:39,793 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) [2024-04-06 00:08:39,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:39,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:39,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:08:39,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 00:08:39,936 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:08:39,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:08:39,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1977828947, now seen corresponding path program 1 times [2024-04-06 00:08:39,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:08:39,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801465061] [2024-04-06 00:08:39,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:08:39,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:08:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:08:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:08:40,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:08:40,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801465061] [2024-04-06 00:08:40,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801465061] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:08:40,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 00:08:40,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-06 00:08:40,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774777187] [2024-04-06 00:08:40,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:08:40,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-06 00:08:40,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:08:40,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 00:08:40,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-06 00:08:40,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:40,146 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:08:40,146 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) [2024-04-06 00:08:40,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:40,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:40,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:08:40,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:40,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:40,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:40,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:08:40,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:40,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-06 00:08:40,285 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:08:40,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:08:40,285 INFO L85 PathProgramCache]: Analyzing trace with hash 819058017, now seen corresponding path program 1 times [2024-04-06 00:08:40,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:08:40,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301231698] [2024-04-06 00:08:40,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:08:40,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:08:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:08:41,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:08:41,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:08:41,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301231698] [2024-04-06 00:08:41,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301231698] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:08:41,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245119290] [2024-04-06 00:08:41,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:08:41,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:08:41,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:08:41,262 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) [2024-04-06 00:08:41,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 00:08:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:08:41,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 45 conjunts are in the unsatisfiable core [2024-04-06 00:08:41,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:08:41,406 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 [2024-04-06 00:08:41,451 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-04-06 00:08:41,451 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 [2024-04-06 00:08:41,915 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-06 00:08:41,915 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 [2024-04-06 00:08:42,077 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 [2024-04-06 00:08:42,410 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 [2024-04-06 00:08:42,470 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 [2024-04-06 00:08:42,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:08:42,666 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:08:43,876 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:08:43,877 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 [2024-04-06 00:08:43,886 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:08:43,886 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 [2024-04-06 00:08:43,903 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:08:43,904 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 [2024-04-06 00:08:43,915 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:08:43,916 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 [2024-04-06 00:08:44,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:08:44,121 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 [2024-04-06 00:08:44,130 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-06 00:08:44,131 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 [2024-04-06 00:08:44,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:08:44,141 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 [2024-04-06 00:08:44,150 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-06 00:08:44,151 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 [2024-04-06 00:08:47,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:08:47,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245119290] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:08:47,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:08:47,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23, 23] total 56 [2024-04-06 00:08:47,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151034456] [2024-04-06 00:08:47,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:08:47,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-04-06 00:08:47,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:08:47,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-04-06 00:08:47,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=2443, Unknown=31, NotChecked=0, Total=3080 [2024-04-06 00:08:47,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:47,048 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:08:47,049 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) [2024-04-06 00:08:47,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:47,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:47,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:08:47,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:47,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:49,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:49,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:49,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:08:49,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:49,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-06 00:08:49,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-06 00:08:49,262 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 [2024-04-06 00:08:49,262 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:08:49,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:08:49,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1003399978, now seen corresponding path program 2 times [2024-04-06 00:08:49,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:08:49,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385664899] [2024-04-06 00:08:49,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:08:49,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:08:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:08:49,342 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-04-06 00:08:49,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:08:49,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385664899] [2024-04-06 00:08:49,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385664899] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:08:49,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 00:08:49,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-06 00:08:49,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099488972] [2024-04-06 00:08:49,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:08:49,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 00:08:49,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:08:49,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 00:08:49,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-06 00:08:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:49,348 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:08:49,349 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) [2024-04-06 00:08:49,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:49,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:49,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:08:49,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:49,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-06 00:08:49,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:49,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:49,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:49,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:08:49,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:49,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-06 00:08:49,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:08:49,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-06 00:08:49,439 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:08:49,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:08:49,439 INFO L85 PathProgramCache]: Analyzing trace with hash 2050895259, now seen corresponding path program 3 times [2024-04-06 00:08:49,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:08:49,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877341156] [2024-04-06 00:08:49,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:08:49,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:08:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:08:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-06 00:08:49,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:08:49,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877341156] [2024-04-06 00:08:49,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877341156] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:08:49,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 00:08:49,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-06 00:08:49,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125535028] [2024-04-06 00:08:49,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:08:49,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 00:08:49,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:08:49,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 00:08:49,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 00:08:49,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:49,599 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:08:49,599 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) [2024-04-06 00:08:49,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:49,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:49,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:08:49,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:49,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-06 00:08:49,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:08:49,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:49,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:49,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:49,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:08:49,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:49,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-06 00:08:49,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:08:49,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:08:49,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-06 00:08:49,693 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:08:49,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:08:49,693 INFO L85 PathProgramCache]: Analyzing trace with hash 4705723, now seen corresponding path program 1 times [2024-04-06 00:08:49,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:08:49,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969410098] [2024-04-06 00:08:49,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:08:49,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:08:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:08:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:08:50,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:08:50,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969410098] [2024-04-06 00:08:50,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969410098] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:08:50,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471791471] [2024-04-06 00:08:50,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:08:50,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:08:50,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:08:50,800 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) [2024-04-06 00:08:50,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 00:08:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:08:50,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 35 conjunts are in the unsatisfiable core [2024-04-06 00:08:50,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:08:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:08:51,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:08:52,025 INFO L349 Elim1Store]: treesize reduction 10, result has 73.0 percent of original size [2024-04-06 00:08:52,025 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 [2024-04-06 00:08:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:08:53,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471791471] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:08:53,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:08:53,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 17] total 47 [2024-04-06 00:08:53,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582955066] [2024-04-06 00:08:53,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:08:53,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-06 00:08:53,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:08:53,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-06 00:08:53,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=1802, Unknown=0, NotChecked=0, Total=2162 [2024-04-06 00:08:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:53,253 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:08:53,254 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) [2024-04-06 00:08:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:08:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-06 00:08:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:08:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:08:53,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:54,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:08:54,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:54,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:08:54,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:08:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:08:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:08:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:08:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-06 00:08:54,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 00:08:55,031 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 [2024-04-06 00:08:55,034 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:08:55,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:08:55,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1097160181, now seen corresponding path program 2 times [2024-04-06 00:08:55,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:08:55,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500705203] [2024-04-06 00:08:55,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:08:55,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:08:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:08:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:08:57,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:08:57,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500705203] [2024-04-06 00:08:57,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500705203] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:08:57,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394987241] [2024-04-06 00:08:57,058 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 00:08:57,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:08:57,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:08:57,059 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) [2024-04-06 00:08:57,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 00:08:57,146 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 00:08:57,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 00:08:57,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 63 conjunts are in the unsatisfiable core [2024-04-06 00:08:57,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:08:57,905 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 [2024-04-06 00:08:58,216 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 [2024-04-06 00:08:58,285 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-06 00:08:58,907 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:08:58,908 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:09:01,467 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:09:01,468 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 [2024-04-06 00:09:01,534 INFO L349 Elim1Store]: treesize reduction 30, result has 64.7 percent of original size [2024-04-06 00:09:01,534 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 [2024-04-06 00:09:01,560 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:01,561 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:01,562 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:01,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:09:01,590 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 [2024-04-06 00:09:01,681 INFO L349 Elim1Store]: treesize reduction 30, result has 64.7 percent of original size [2024-04-06 00:09:01,681 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 [2024-04-06 00:09:03,153 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:09:03,153 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 [2024-04-06 00:09:03,183 INFO L349 Elim1Store]: treesize reduction 72, result has 15.3 percent of original size [2024-04-06 00:09:03,184 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 [2024-04-06 00:09:03,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:09:03,199 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:03,199 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:03,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:09:03,200 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:03,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:09:03,203 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 [2024-04-06 00:09:03,229 INFO L349 Elim1Store]: treesize reduction 72, result has 15.3 percent of original size [2024-04-06 00:09:03,230 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 [2024-04-06 00:09:04,179 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:09:04,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394987241] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:09:04,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:09:04,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 31, 28] total 77 [2024-04-06 00:09:04,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283865688] [2024-04-06 00:09:04,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:09:04,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-04-06 00:09:04,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:09:04,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-04-06 00:09:04,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1004, Invalid=4808, Unknown=40, NotChecked=0, Total=5852 [2024-04-06 00:09:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:09:04,182 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:09:04,183 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) [2024-04-06 00:09:04,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:09:04,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:09:04,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:09:04,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:09:04,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:09:04,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:09:04,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:09:04,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-06 00:09:04,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:09:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:09:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:09:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:09:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:09:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:09:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:09:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:09:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:09:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-04-06 00:09:08,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-06 00:09:09,041 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 [2024-04-06 00:09:09,041 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:09:09,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:09:09,041 INFO L85 PathProgramCache]: Analyzing trace with hash 699788879, now seen corresponding path program 3 times [2024-04-06 00:09:09,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:09:09,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943303480] [2024-04-06 00:09:09,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:09:09,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:09:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:09:11,206 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 1 proven. 159 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:09:11,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:09:11,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943303480] [2024-04-06 00:09:11,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943303480] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:09:11,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812649106] [2024-04-06 00:09:11,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 00:09:11,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:09:11,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:09:11,207 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) [2024-04-06 00:09:11,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 00:09:11,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-06 00:09:11,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 00:09:11,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 74 conjunts are in the unsatisfiable core [2024-04-06 00:09:11,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:09:12,536 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 [2024-04-06 00:09:12,906 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 [2024-04-06 00:09:12,996 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 [2024-04-06 00:09:16,408 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:09:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:09:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:09:16,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:09:16,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:09:16,412 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:16,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:09:16,416 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:09:16,416 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 [2024-04-06 00:09:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:09:16,461 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:09:27,646 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:09:27,647 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 [2024-04-06 00:09:27,830 INFO L349 Elim1Store]: treesize reduction 116, result has 49.3 percent of original size [2024-04-06 00:09:27,831 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 478 treesize of output 525 [2024-04-06 00:09:28,002 INFO L349 Elim1Store]: treesize reduction 128, result has 44.1 percent of original size [2024-04-06 00:09:28,002 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 [2024-04-06 00:09:28,167 INFO L349 Elim1Store]: treesize reduction 128, result has 44.1 percent of original size [2024-04-06 00:09:28,168 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 [2024-04-06 00:09:40,008 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:09:40,010 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 [2024-04-06 00:09:40,083 INFO L349 Elim1Store]: treesize reduction 212, result has 7.4 percent of original size [2024-04-06 00:09:40,084 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 998 treesize of output 884 [2024-04-06 00:09:40,119 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:40,120 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:40,121 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:40,121 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:40,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:09:40,122 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:40,123 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:40,123 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:40,124 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:40,124 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:40,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:09:40,125 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:40,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:09:40,126 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:09:40,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:09:40,128 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 [2024-04-06 00:09:40,203 INFO L349 Elim1Store]: treesize reduction 212, result has 7.4 percent of original size [2024-04-06 00:09:40,203 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 [2024-04-06 00:09:42,268 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:09:42,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812649106] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:09:42,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:09:42,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34, 31] total 87 [2024-04-06 00:09:42,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610859721] [2024-04-06 00:09:42,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:09:42,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-04-06 00:09:42,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:09:42,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-04-06 00:09:42,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1309, Invalid=6134, Unknown=39, NotChecked=0, Total=7482 [2024-04-06 00:09:42,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:09:42,275 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:09:42,276 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) [2024-04-06 00:09:42,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:09:42,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:09:42,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:09:42,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:09:42,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:09:42,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:09:42,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:09:42,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:09:42,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-04-06 00:09:42,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:09:56,650 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] [2024-04-06 00:10:06,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-06 00:10:08,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-06 00:10:12,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-06 00:10:15,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-06 00:10:16,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:10:16,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:10:16,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:10:16,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:10:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:10:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:10:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:10:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:10:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:10:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:10:16,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-06 00:10:16,924 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 [2024-04-06 00:10:16,925 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:10:16,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:10:16,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1041634953, now seen corresponding path program 4 times [2024-04-06 00:10:16,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:10:16,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484253291] [2024-04-06 00:10:16,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:10:16,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:10:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:10:19,304 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 17 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:10:19,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:10:19,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484253291] [2024-04-06 00:10:19,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484253291] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:10:19,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151574216] [2024-04-06 00:10:19,305 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 00:10:19,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:10:19,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:10:19,306 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) [2024-04-06 00:10:19,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 00:10:19,421 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 00:10:19,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 00:10:19,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 71 conjunts are in the unsatisfiable core [2024-04-06 00:10:19,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:10:21,389 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 29 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:10:21,389 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:10:22,968 INFO L349 Elim1Store]: treesize reduction 100, result has 58.5 percent of original size [2024-04-06 00:10:22,968 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 [2024-04-06 00:10:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:10:24,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151574216] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:10:24,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:10:24,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 30, 30] total 84 [2024-04-06 00:10:24,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392942660] [2024-04-06 00:10:24,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:10:24,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-04-06 00:10:24,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:10:24,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-04-06 00:10:24,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=5842, Unknown=0, NotChecked=0, Total=6972 [2024-04-06 00:10:24,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:10:24,598 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:10:24,598 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) [2024-04-06 00:10:24,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:10:24,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:10:24,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:10:24,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:10:24,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:10:24,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:10:24,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:10:24,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:10:24,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:10:24,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:10:24,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:10:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:10:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:10:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:10:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:10:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:10:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:10:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:10:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:10:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:10:29,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:10:29,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-06 00:10:29,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 00:10:29,538 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 [2024-04-06 00:10:29,539 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:10:29,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:10:29,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1813073635, now seen corresponding path program 5 times [2024-04-06 00:10:29,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:10:29,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246153636] [2024-04-06 00:10:29,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:10:29,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:10:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:10:32,998 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 46 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:10:32,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:10:32,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246153636] [2024-04-06 00:10:32,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246153636] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:10:32,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907050094] [2024-04-06 00:10:32,998 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 00:10:32,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:10:32,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:10:32,999 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) [2024-04-06 00:10:33,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 00:10:33,155 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-06 00:10:33,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 00:10:33,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 84 conjunts are in the unsatisfiable core [2024-04-06 00:10:33,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:10:36,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:10:36,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:10:36,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:10:36,033 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:10:36,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:10:36,036 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:10:36,036 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 [2024-04-06 00:10:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 30 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:10:36,054 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:10:49,610 INFO L349 Elim1Store]: treesize reduction 150, result has 70.6 percent of original size [2024-04-06 00:10:49,610 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 [2024-04-06 00:10:50,291 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:50,522 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:50,640 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:50,936 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:51,076 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:51,110 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-06 00:10:51,193 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:51,683 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:51,720 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-06 00:10:51,808 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:52,173 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:52,211 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-06 00:10:52,307 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:52,721 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:52,758 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-06 00:10:52,849 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:53,406 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:53,445 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-06 00:10:53,479 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:54,239 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-06 00:10:54,338 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:59,390 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:59,433 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:10:59,459 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:11:00,065 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:11:00,098 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:11:00,130 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-06 00:11:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 379 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:11:03,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907050094] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:11:03,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:11:03,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 33] total 100 [2024-04-06 00:11:03,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321120627] [2024-04-06 00:11:03,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:11:03,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-04-06 00:11:03,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:11:03,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-04-06 00:11:03,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1342, Invalid=8552, Unknown=6, NotChecked=0, Total=9900 [2024-04-06 00:11:03,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:03,084 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:11:03,085 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) [2024-04-06 00:11:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:11:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:11:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:11:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:11:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:11:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-06 00:11:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:11:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:11:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:11:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:11:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:11:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-06 00:11:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-06 00:11:06,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-06 00:11:06,633 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 [2024-04-06 00:11:06,633 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:11:06,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:11:06,634 INFO L85 PathProgramCache]: Analyzing trace with hash 139930263, now seen corresponding path program 6 times [2024-04-06 00:11:06,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:11:06,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924294016] [2024-04-06 00:11:06,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:11:06,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:11:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:11:13,175 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 15 proven. 415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:11:13,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:11:13,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924294016] [2024-04-06 00:11:13,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924294016] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:11:13,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189399724] [2024-04-06 00:11:13,175 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 00:11:13,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:11:13,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:11:13,177 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) [2024-04-06 00:11:13,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 00:11:13,575 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-04-06 00:11:13,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 00:11:13,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 67 conjunts are in the unsatisfiable core [2024-04-06 00:11:13,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:11:15,098 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 92 proven. 282 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-04-06 00:11:15,098 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:11:16,627 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:11:16,627 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 [2024-04-06 00:11:17,452 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-06 00:11:17,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189399724] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:11:17,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:11:17,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 24, 17] total 71 [2024-04-06 00:11:17,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595706000] [2024-04-06 00:11:17,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:11:17,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-04-06 00:11:17,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:11:17,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-04-06 00:11:17,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=4534, Unknown=0, NotChecked=0, Total=4970 [2024-04-06 00:11:17,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:17,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:11:17,455 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) [2024-04-06 00:11:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:11:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:11:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:11:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:11:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:11:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-04-06 00:11:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-06 00:11:17,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:25,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:25,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:11:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:11:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:11:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:11:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:11:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-06 00:11:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-06 00:11:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-06 00:11:25,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-04-06 00:11:25,489 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 [2024-04-06 00:11:25,490 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:11:25,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:11:25,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1898388054, now seen corresponding path program 7 times [2024-04-06 00:11:25,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:11:25,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292391496] [2024-04-06 00:11:25,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:11:25,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:11:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:11:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 537 proven. 358 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-04-06 00:11:26,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:11:26,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292391496] [2024-04-06 00:11:26,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292391496] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:11:26,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022768745] [2024-04-06 00:11:26,188 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 00:11:26,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:11:26,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:11:26,189 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) [2024-04-06 00:11:26,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-06 00:11:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:11:26,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-06 00:11:26,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:11:27,263 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 663 proven. 232 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-04-06 00:11:27,263 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:11:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 500 proven. 395 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-04-06 00:11:28,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022768745] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:11:28,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:11:28,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 82 [2024-04-06 00:11:28,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699343749] [2024-04-06 00:11:28,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:11:28,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-04-06 00:11:28,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:11:28,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-04-06 00:11:28,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=5627, Unknown=0, NotChecked=0, Total=6642 [2024-04-06 00:11:28,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:28,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:11:28,289 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) [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-04-06 00:11:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:11:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:11:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:11:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:11:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:11:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-06 00:11:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-06 00:11:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-06 00:11:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-06 00:11:29,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-06 00:11:29,520 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 [2024-04-06 00:11:29,520 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:11:29,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:11:29,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1565878282, now seen corresponding path program 8 times [2024-04-06 00:11:29,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:11:29,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380266366] [2024-04-06 00:11:29,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:11:29,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:11:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:11:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 512 proven. 479 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 00:11:30,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:11:30,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380266366] [2024-04-06 00:11:30,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380266366] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:11:30,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133026271] [2024-04-06 00:11:30,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 00:11:30,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:11:30,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:11:30,403 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) [2024-04-06 00:11:30,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-06 00:11:30,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 00:11:30,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 00:11:30,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 38 conjunts are in the unsatisfiable core [2024-04-06 00:11:30,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:11:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 552 proven. 439 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 00:11:32,046 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:11:33,850 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 623 proven. 368 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 00:11:33,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133026271] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:11:33,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:11:33,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 36] total 102 [2024-04-06 00:11:33,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466711945] [2024-04-06 00:11:33,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:11:33,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-04-06 00:11:33,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:11:33,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-04-06 00:11:33,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1748, Invalid=8554, Unknown=0, NotChecked=0, Total=10302 [2024-04-06 00:11:33,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:33,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:11:33,855 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) [2024-04-06 00:11:33,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:33,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:33,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:11:33,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:11:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:11:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:11:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:11:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-06 00:11:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-06 00:11:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-04-06 00:11:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-06 00:11:33,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-06 00:11:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-06 00:11:35,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-06 00:11:35,818 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 [2024-04-06 00:11:35,818 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:11:35,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:11:35,818 INFO L85 PathProgramCache]: Analyzing trace with hash 285524414, now seen corresponding path program 9 times [2024-04-06 00:11:35,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:11:35,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933765188] [2024-04-06 00:11:35,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:11:35,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:11:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:11:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 438 proven. 629 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:11:41,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:11:41,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933765188] [2024-04-06 00:11:41,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933765188] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:11:41,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913793245] [2024-04-06 00:11:41,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 00:11:41,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:11:41,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:11:41,862 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) [2024-04-06 00:11:41,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-06 00:11:42,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-04-06 00:11:42,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 00:11:42,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 69 conjunts are in the unsatisfiable core [2024-04-06 00:11:42,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:11:45,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 186 proven. 511 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-06 00:11:45,323 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:11:50,064 INFO L349 Elim1Store]: treesize reduction 360, result has 54.6 percent of original size [2024-04-06 00:11:50,064 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 [2024-04-06 00:11:51,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 23 proven. 674 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-06 00:11:51,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913793245] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:11:51,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:11:51,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 24, 24] total 95 [2024-04-06 00:11:51,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083775634] [2024-04-06 00:11:51,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:11:51,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2024-04-06 00:11:51,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:11:51,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2024-04-06 00:11:51,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=848, Invalid=8082, Unknown=0, NotChecked=0, Total=8930 [2024-04-06 00:11:51,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:51,366 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:11:51,366 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) [2024-04-06 00:11:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:11:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:11:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:11:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:11:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:11:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:11:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:11:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:11:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-06 00:11:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-06 00:11:51,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-04-06 00:11:51,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-06 00:11:51,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-06 00:11:51,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:12:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-06 00:12:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-06 00:12:06,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-04-06 00:12:06,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-06 00:12:07,080 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 [2024-04-06 00:12:07,080 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:12:07,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:12:07,081 INFO L85 PathProgramCache]: Analyzing trace with hash -997582131, now seen corresponding path program 10 times [2024-04-06 00:12:07,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:12:07,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615992356] [2024-04-06 00:12:07,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:12:07,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:12:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:12:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 94 proven. 1092 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:12:24,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:12:24,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615992356] [2024-04-06 00:12:24,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615992356] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:12:24,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162893343] [2024-04-06 00:12:24,418 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 00:12:24,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:12:24,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:12:24,419 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) [2024-04-06 00:12:24,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-06 00:12:24,725 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 00:12:24,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 00:12:24,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 130 conjunts are in the unsatisfiable core [2024-04-06 00:12:24,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:12:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 45 proven. 1141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:12:31,049 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:12:37,504 INFO L349 Elim1Store]: treesize reduction 450, result has 54.1 percent of original size [2024-04-06 00:12:37,505 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 [2024-04-06 00:12:41,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 12 proven. 1174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:12:41,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162893343] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:12:41,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:12:41,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 51, 51] total 146 [2024-04-06 00:12:41,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839566025] [2024-04-06 00:12:41,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:12:41,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 146 states [2024-04-06 00:12:41,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:12:41,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2024-04-06 00:12:41,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2914, Invalid=18256, Unknown=0, NotChecked=0, Total=21170 [2024-04-06 00:12:41,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:12:41,413 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:12:41,414 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) [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2024-04-06 00:12:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:13:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:13:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:13:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:13:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 00:13:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 00:13:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:13:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:13:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:13:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-06 00:13:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-06 00:13:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-06 00:13:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-06 00:13:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-06 00:13:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-06 00:13:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-06 00:13:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-04-06 00:13:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2024-04-06 00:13:01,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-06 00:13:01,723 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 [2024-04-06 00:13:01,724 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 00:13:01,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:13:01,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1692061613, now seen corresponding path program 11 times [2024-04-06 00:13:01,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:13:01,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752145526] [2024-04-06 00:13:01,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:13:01,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:13:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:13:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 514 proven. 1094 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:13:10,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:13:10,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752145526] [2024-04-06 00:13:10,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752145526] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:13:10,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308331419] [2024-04-06 00:13:10,340 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 00:13:10,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:13:10,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:13:10,341 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) [2024-04-06 00:13:10,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-06 00:13:10,741 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-04-06 00:13:10,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 00:13:10,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 171 conjunts are in the unsatisfiable core [2024-04-06 00:13:10,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:13:10,757 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 [2024-04-06 00:13:10,799 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-04-06 00:13:10,799 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 [2024-04-06 00:13:11,168 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-06 00:13:11,168 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 [2024-04-06 00:13:13,517 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 [2024-04-06 00:13:13,992 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 [2024-04-06 00:13:14,089 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 [2024-04-06 00:13:20,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 60 proven. 1548 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:13:20,747 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:13:37,391 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:13:37,391 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 [2024-04-06 00:13:39,375 INFO L349 Elim1Store]: treesize reduction 660, result has 53.4 percent of original size [2024-04-06 00:13:39,375 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 [2024-04-06 00:13:39,524 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,526 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,528 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,529 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,529 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,530 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,530 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,531 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,540 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,542 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,544 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,546 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,546 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,547 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,553 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,556 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,563 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,564 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,568 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,569 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,570 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,570 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,571 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,571 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,573 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,574 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,574 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,584 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,584 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,586 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,586 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,587 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,587 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,588 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,588 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,589 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,589 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,589 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,591 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,592 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,592 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,596 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,597 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,598 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,600 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,601 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,602 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,602 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,603 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,604 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,605 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,606 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,606 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,606 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,607 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,608 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,611 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,612 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,612 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,657 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,658 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,658 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,658 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,660 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,660 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,661 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 00:13:39,661 INFO L224 Elim1Store]: Index analysis took 136 ms [2024-04-06 00:13:40,390 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 00:13:40,390 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 [2024-04-06 00:13:42,253 INFO L349 Elim1Store]: treesize reduction 660, result has 53.4 percent of original size [2024-04-06 00:13:42,253 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 [2024-04-06 00:19:42,772 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 [2024-04-06 00:19:42,772 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") [2024-04-06 00:19:42,777 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-04-06 00:19:42,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-06 00:19:42,978 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 [2024-04-06 00:19:42,978 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.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:495) 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:140) 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) ... 69 more [2024-04-06 00:19:42,982 INFO L158 Benchmark]: Toolchain (without parser) took 665167.82ms. Allocated memory was 191.9MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 122.0MB in the beginning and 768.1MB in the end (delta: -646.1MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2024-04-06 00:19:42,982 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 00:19:42,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.69ms. Allocated memory is still 191.9MB. Free memory was 121.9MB in the beginning and 110.0MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-06 00:19:42,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.93ms. Allocated memory is still 191.9MB. Free memory was 110.0MB in the beginning and 108.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 00:19:42,983 INFO L158 Benchmark]: Boogie Preprocessor took 20.74ms. Allocated memory is still 191.9MB. Free memory was 108.1MB in the beginning and 106.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 00:19:42,983 INFO L158 Benchmark]: RCFGBuilder took 559.64ms. Allocated memory was 191.9MB in the beginning and 261.1MB in the end (delta: 69.2MB). Free memory was 106.4MB in the beginning and 221.1MB in the end (delta: -114.7MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. [2024-04-06 00:19:42,983 INFO L158 Benchmark]: TraceAbstraction took 664357.73ms. Allocated memory was 261.1MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 219.5MB in the beginning and 768.1MB in the end (delta: -548.6MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2024-04-06 00:19:42,984 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 130.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 192.69ms. Allocated memory is still 191.9MB. Free memory was 121.9MB in the beginning and 110.0MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.93ms. Allocated memory is still 191.9MB. Free memory was 110.0MB in the beginning and 108.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.74ms. Allocated memory is still 191.9MB. Free memory was 108.1MB in the beginning and 106.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 559.64ms. Allocated memory was 191.9MB in the beginning and 261.1MB in the end (delta: 69.2MB). Free memory was 106.4MB in the beginning and 221.1MB in the end (delta: -114.7MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. * TraceAbstraction took 664357.73ms. Allocated memory was 261.1MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 219.5MB in the beginning and 768.1MB in the end (delta: -548.6MB). Peak memory consumption was 1.5GB. 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. [2024-04-06 00:19:42,994 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...