/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-05 00:06:59,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-05 00:06:59,649 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-05 00:06:59,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-05 00:06:59,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-05 00:06:59,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-05 00:06:59,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-05 00:06:59,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-05 00:06:59,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-05 00:06:59,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-05 00:06:59,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-05 00:06:59,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-05 00:06:59,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-05 00:06:59,685 INFO L153 SettingsManager]: * Use SBE=true [2023-09-05 00:06:59,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-05 00:06:59,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-05 00:06:59,685 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-05 00:06:59,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-05 00:06:59,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-05 00:06:59,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-05 00:06:59,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-05 00:06:59,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-05 00:06:59,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-05 00:06:59,687 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-05 00:06:59,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-05 00:06:59,687 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-05 00:06:59,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-05 00:06:59,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-05 00:06:59,688 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-05 00:06:59,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-05 00:06:59,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-05 00:06:59,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-05 00:06:59,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-05 00:06:59,689 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-05 00:06:59,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-05 00:06:59,689 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-05 00:06:59,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-05 00:06:59,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-05 00:06:59,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-05 00:06:59,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-05 00:06:59,690 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-05 00:06:59,690 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/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-05 00:06:59,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-05 00:06:59,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-05 00:06:59,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-05 00:06:59,918 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-05 00:06:59,919 INFO L274 PluginConnector]: CDTParser initialized [2023-09-05 00:06:59,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c [2023-09-05 00:07:01,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-05 00:07:01,171 INFO L384 CDTParser]: Found 1 translation units. [2023-09-05 00:07:01,171 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-simple-queue.wvr.c [2023-09-05 00:07:01,176 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/367d12398/e794872834df4e04bcc094d54fa91ea4/FLAGf38c1703e [2023-09-05 00:07:01,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/367d12398/e794872834df4e04bcc094d54fa91ea4 [2023-09-05 00:07:01,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-05 00:07:01,190 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-05 00:07:01,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-05 00:07:01,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-05 00:07:01,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-05 00:07:01,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:07:01" (1/1) ... [2023-09-05 00:07:01,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e93c9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01, skipping insertion in model container [2023-09-05 00:07:01,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:07:01" (1/1) ... [2023-09-05 00:07:01,210 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-05 00:07:01,320 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-simple-queue.wvr.c[2438,2451] [2023-09-05 00:07:01,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-05 00:07:01,330 INFO L201 MainTranslator]: Completed pre-run [2023-09-05 00:07:01,344 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-simple-queue.wvr.c[2438,2451] [2023-09-05 00:07:01,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-05 00:07:01,352 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-05 00:07:01,352 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-05 00:07:01,357 INFO L206 MainTranslator]: Completed translation [2023-09-05 00:07:01,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01 WrapperNode [2023-09-05 00:07:01,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-05 00:07:01,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-05 00:07:01,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-05 00:07:01,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-05 00:07:01,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01" (1/1) ... [2023-09-05 00:07:01,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01" (1/1) ... [2023-09-05 00:07:01,385 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 134 [2023-09-05 00:07:01,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-05 00:07:01,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-05 00:07:01,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-05 00:07:01,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-05 00:07:01,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01" (1/1) ... [2023-09-05 00:07:01,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01" (1/1) ... [2023-09-05 00:07:01,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01" (1/1) ... [2023-09-05 00:07:01,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01" (1/1) ... [2023-09-05 00:07:01,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01" (1/1) ... [2023-09-05 00:07:01,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01" (1/1) ... [2023-09-05 00:07:01,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01" (1/1) ... [2023-09-05 00:07:01,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01" (1/1) ... [2023-09-05 00:07:01,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-05 00:07:01,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-05 00:07:01,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-05 00:07:01,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-05 00:07:01,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01" (1/1) ... [2023-09-05 00:07:01,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-05 00:07:01,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:07:01,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-05 00:07:01,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-05 00:07:01,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-05 00:07:01,455 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-05 00:07:01,455 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-05 00:07:01,455 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-05 00:07:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-05 00:07:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-05 00:07:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-05 00:07:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-05 00:07:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-05 00:07:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-05 00:07:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-05 00:07:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-05 00:07:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-05 00:07:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-05 00:07:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-05 00:07:01,457 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-05 00:07:01,533 INFO L236 CfgBuilder]: Building ICFG [2023-09-05 00:07:01,534 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-05 00:07:01,685 INFO L277 CfgBuilder]: Performing block encoding [2023-09-05 00:07:01,741 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-05 00:07:01,741 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-09-05 00:07:01,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:07:01 BoogieIcfgContainer [2023-09-05 00:07:01,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-05 00:07:01,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-05 00:07:01,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-05 00:07:01,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-05 00:07:01,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.09 12:07:01" (1/3) ... [2023-09-05 00:07:01,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb5916e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:07:01, skipping insertion in model container [2023-09-05 00:07:01,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:07:01" (2/3) ... [2023-09-05 00:07:01,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb5916e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:07:01, skipping insertion in model container [2023-09-05 00:07:01,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:07:01" (3/3) ... [2023-09-05 00:07:01,751 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-simple-queue.wvr.c [2023-09-05 00:07:01,769 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-05 00:07:01,776 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-05 00:07:01,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-05 00:07:01,777 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-05 00:07:01,853 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-05 00:07:01,884 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-05 00:07:01,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-05 00:07:01,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:07:01,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-05 00:07:01,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-05 00:07:01,919 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-05 00:07:01,925 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-05 00:07:01,931 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=LoopsAndPotentialCycles, 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;@3e2a2f64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-05 00:07:01,931 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. Found a loop, use abstraction hammer [2023-09-05 00:07:01,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:07:01,980 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:07:01,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1812076754, now seen corresponding path program 1 times [2023-09-05 00:07:01,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:07:01,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858255207] [2023-09-05 00:07:01,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:07:01,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:07:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:07:02,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:07:02,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858255207] [2023-09-05 00:07:02,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858255207] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-05 00:07:02,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-05 00:07:02,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-05 00:07:02,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50527560] [2023-09-05 00:07:02,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-05 00:07:02,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-05 00:07:02,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:07:02,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-05 00:07:02,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-05 00:07:02,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:02,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:07:02,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 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) [2023-09-05 00:07:02,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:07:02,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:02,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-05 00:07:02,198 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:07:02,198 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:07:02,198 INFO L85 PathProgramCache]: Analyzing trace with hash -405987270, now seen corresponding path program 1 times [2023-09-05 00:07:02,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:07:02,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035431382] [2023-09-05 00:07:02,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:07:02,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:07:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:02,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-05 00:07:02,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:07:02,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035431382] [2023-09-05 00:07:02,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035431382] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-05 00:07:02,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-05 00:07:02,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-05 00:07:02,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744279369] [2023-09-05 00:07:02,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-05 00:07:02,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-05 00:07:02,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:07:02,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-05 00:07:02,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-09-05 00:07:02,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:02,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:07:02,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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) [2023-09-05 00:07:02,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:02,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:07:02,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:02,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:02,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-05 00:07:02,668 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:07:02,669 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:07:02,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1921682667, now seen corresponding path program 1 times [2023-09-05 00:07:02,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:07:02,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456246982] [2023-09-05 00:07:02,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:07:02,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:07:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:02,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-05 00:07:02,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:07:02,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456246982] [2023-09-05 00:07:02,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456246982] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-05 00:07:02,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-05 00:07:02,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-05 00:07:02,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865508778] [2023-09-05 00:07:02,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-05 00:07:02,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-05 00:07:02,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:07:02,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-05 00:07:02,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-05 00:07:02,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:02,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:07:02,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 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) [2023-09-05 00:07:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:07:02,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:02,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-05 00:07:02,970 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:07:02,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:07:02,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1519663824, now seen corresponding path program 1 times [2023-09-05 00:07:02,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:07:02,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944347093] [2023-09-05 00:07:02,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:07:02,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:07:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:03,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:07:03,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:07:03,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944347093] [2023-09-05 00:07:03,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944347093] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:07:03,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786854891] [2023-09-05 00:07:03,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:07:03,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:03,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:07:03,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:07:03,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-05 00:07:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:03,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 46 conjunts are in the unsatisfiable core [2023-09-05 00:07:03,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:07:03,987 INFO L351 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 [2023-09-05 00:07:04,236 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-09-05 00:07:04,237 INFO L351 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 11 treesize of output 11 [2023-09-05 00:07:04,374 INFO L351 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 11 [2023-09-05 00:07:04,645 INFO L351 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 6 treesize of output 5 [2023-09-05 00:07:04,697 INFO L351 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 6 treesize of output 5 [2023-09-05 00:07:04,829 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:07:04,830 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:07:05,497 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-05 00:07:05,497 INFO L351 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 60 treesize of output 48 [2023-09-05 00:07:05,509 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:07:05,509 INFO L351 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 140 treesize of output 127 [2023-09-05 00:07:05,520 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-09-05 00:07:05,520 INFO L351 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 124 treesize of output 100 [2023-09-05 00:07:05,528 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-09-05 00:07:05,529 INFO L351 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 79 treesize of output 67 [2023-09-05 00:07:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:07:05,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786854891] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:07:05,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:07:05,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22, 20] total 50 [2023-09-05 00:07:05,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090985112] [2023-09-05 00:07:05,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:07:05,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-09-05 00:07:05,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:07:05,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-09-05 00:07:05,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=1989, Unknown=24, NotChecked=0, Total=2450 [2023-09-05 00:07:05,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:05,974 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:07:05,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.64) internal successors, (232), 50 states have internal predecessors, (232), 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) [2023-09-05 00:07:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:05,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:07:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-05 00:07:07,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-09-05 00:07:08,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-09-05 00:07:08,122 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:07:08,122 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:07:08,123 INFO L85 PathProgramCache]: Analyzing trace with hash -801203781, now seen corresponding path program 2 times [2023-09-05 00:07:08,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:07:08,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342307948] [2023-09-05 00:07:08,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:07:08,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:07:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-05 00:07:08,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:07:08,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342307948] [2023-09-05 00:07:08,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342307948] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:07:08,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468687904] [2023-09-05 00:07:08,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-05 00:07:08,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:08,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:07:08,277 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:07:08,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-05 00:07:08,364 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-05 00:07:08,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:07:08,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 8 conjunts are in the unsatisfiable core [2023-09-05 00:07:08,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:07:08,451 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-05 00:07:08,451 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:07:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-05 00:07:08,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468687904] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:07:08,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:07:08,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 7 [2023-09-05 00:07:08,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094999325] [2023-09-05 00:07:08,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:07:08,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-05 00:07:08,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:07:08,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-05 00:07:08,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-09-05 00:07:08,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:08,647 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:07:08,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 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) [2023-09-05 00:07:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-09-05 00:07:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:07:09,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:09,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-09-05 00:07:09,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:09,229 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:07:09,230 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:07:09,230 INFO L85 PathProgramCache]: Analyzing trace with hash -137049898, now seen corresponding path program 3 times [2023-09-05 00:07:09,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:07:09,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106087544] [2023-09-05 00:07:09,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:07:09,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:07:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:07:10,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:07:10,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106087544] [2023-09-05 00:07:10,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106087544] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:07:10,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533428089] [2023-09-05 00:07:10,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-05 00:07:10,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:10,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:07:10,491 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:07:10,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-05 00:07:10,604 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-09-05 00:07:10,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:07:10,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 18 conjunts are in the unsatisfiable core [2023-09-05 00:07:10,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:07:10,806 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-05 00:07:10,806 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:07:10,854 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:07:10,854 INFO L351 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 25 treesize of output 13 [2023-09-05 00:07:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-09-05 00:07:10,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533428089] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:07:10,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:07:10,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 9, 9] total 28 [2023-09-05 00:07:10,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949918726] [2023-09-05 00:07:10,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:07:10,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-09-05 00:07:10,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:07:10,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-09-05 00:07:10,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2023-09-05 00:07:10,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:10,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:07:10,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.857142857142857) internal successors, (192), 28 states have internal predecessors, (192), 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) [2023-09-05 00:07:10,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:10,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:10,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:10,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:10,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:10,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:07:12,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:12,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:12,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:12,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:12,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:12,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-05 00:07:12,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-05 00:07:12,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:12,849 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:07:12,849 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:07:12,849 INFO L85 PathProgramCache]: Analyzing trace with hash -20821407, now seen corresponding path program 4 times [2023-09-05 00:07:12,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:07:12,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106344160] [2023-09-05 00:07:12,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:07:12,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:07:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-05 00:07:12,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:07:12,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106344160] [2023-09-05 00:07:12,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106344160] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:07:12,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910906988] [2023-09-05 00:07:12,996 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-05 00:07:12,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:12,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:07:13,013 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:07:13,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-05 00:07:13,116 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-05 00:07:13,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:07:13,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 10 conjunts are in the unsatisfiable core [2023-09-05 00:07:13,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:07:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-05 00:07:13,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:07:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 10 proven. 16 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-05 00:07:13,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910906988] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:07:13,576 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:07:13,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 7] total 10 [2023-09-05 00:07:13,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621299806] [2023-09-05 00:07:13,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:07:13,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-05 00:07:13,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:07:13,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-05 00:07:13,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-09-05 00:07:13,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:13,578 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:07:13,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.4) internal successors, (184), 10 states have internal predecessors, (184), 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) [2023-09-05 00:07:13,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:13,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:13,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:13,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:13,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:13,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-05 00:07:13,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:07:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-05 00:07:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-05 00:07:13,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-09-05 00:07:13,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:13,930 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:07:13,930 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:07:13,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1490245244, now seen corresponding path program 5 times [2023-09-05 00:07:13,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:07:13,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717853294] [2023-09-05 00:07:13,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:07:13,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:07:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:16,050 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:07:16,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:07:16,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717853294] [2023-09-05 00:07:16,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717853294] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:07:16,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418839922] [2023-09-05 00:07:16,051 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-05 00:07:16,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:16,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:07:16,065 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:07:16,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-05 00:07:16,176 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-09-05 00:07:16,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:07:16,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 32 conjunts are in the unsatisfiable core [2023-09-05 00:07:16,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:07:16,715 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:07:16,715 INFO L351 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 23 treesize of output 10 [2023-09-05 00:07:16,728 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-09-05 00:07:16,729 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:07:16,848 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:07:16,848 INFO L351 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 25 treesize of output 13 [2023-09-05 00:07:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-05 00:07:17,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418839922] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:07:17,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:07:17,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 14, 11] total 41 [2023-09-05 00:07:17,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360791045] [2023-09-05 00:07:17,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:07:17,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-09-05 00:07:17,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:07:17,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-09-05 00:07:17,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1500, Unknown=0, NotChecked=0, Total=1640 [2023-09-05 00:07:17,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:17,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:07:17,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 6.195121951219512) internal successors, (254), 41 states have internal predecessors, (254), 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) [2023-09-05 00:07:17,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:17,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:17,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:17,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:17,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:17,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-05 00:07:17,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-05 00:07:17,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:07:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-05 00:07:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-05 00:07:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-09-05 00:07:19,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-09-05 00:07:20,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:20,135 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:07:20,135 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:07:20,136 INFO L85 PathProgramCache]: Analyzing trace with hash 976651527, now seen corresponding path program 6 times [2023-09-05 00:07:20,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:07:20,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270688029] [2023-09-05 00:07:20,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:07:20,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:07:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-09-05 00:07:20,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:07:20,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270688029] [2023-09-05 00:07:20,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270688029] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:07:20,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425255700] [2023-09-05 00:07:20,319 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-05 00:07:20,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:20,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:07:20,322 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:07:20,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-05 00:07:21,530 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-09-05 00:07:21,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:07:21,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 12 conjunts are in the unsatisfiable core [2023-09-05 00:07:21,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:07:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 32 proven. 18 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-09-05 00:07:21,716 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:07:22,083 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-09-05 00:07:22,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425255700] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:07:22,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:07:22,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 9] total 14 [2023-09-05 00:07:22,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913086756] [2023-09-05 00:07:22,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:07:22,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-05 00:07:22,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:07:22,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-05 00:07:22,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2023-09-05 00:07:22,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:22,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:07:22,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.642857142857142) internal successors, (205), 14 states have internal predecessors, (205), 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) [2023-09-05 00:07:22,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:22,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:22,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:22,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:22,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-05 00:07:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-05 00:07:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-09-05 00:07:22,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:07:22,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:22,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:22,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:22,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:22,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:22,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-05 00:07:22,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-05 00:07:22,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-09-05 00:07:22,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:22,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-09-05 00:07:22,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:22,527 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:07:22,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:07:22,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1184722466, now seen corresponding path program 7 times [2023-09-05 00:07:22,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:07:22,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818226341] [2023-09-05 00:07:22,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:07:22,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:07:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:25,730 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:07:25,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:07:25,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818226341] [2023-09-05 00:07:25,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818226341] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:07:25,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293836428] [2023-09-05 00:07:25,731 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-05 00:07:25,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:25,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:07:25,733 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:07:25,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-05 00:07:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:25,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 63 conjunts are in the unsatisfiable core [2023-09-05 00:07:25,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:07:27,464 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:07:27,464 INFO L351 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 23 treesize of output 10 [2023-09-05 00:07:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:07:27,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:07:27,677 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:07:27,678 INFO L351 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 25 treesize of output 13 [2023-09-05 00:07:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:07:29,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293836428] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:07:29,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:07:29,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 31, 31] total 85 [2023-09-05 00:07:29,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080125852] [2023-09-05 00:07:29,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:07:29,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2023-09-05 00:07:29,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:07:29,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2023-09-05 00:07:29,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=953, Invalid=6187, Unknown=0, NotChecked=0, Total=7140 [2023-09-05 00:07:29,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:29,199 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:07:29,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 4.976470588235294) internal successors, (423), 85 states have internal predecessors, (423), 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) [2023-09-05 00:07:29,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:29,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:29,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:29,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:29,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:29,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-05 00:07:29,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-05 00:07:29,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-09-05 00:07:29,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:29,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:07:34,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:34,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:34,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:34,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-05 00:07:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-05 00:07:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-09-05 00:07:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-09-05 00:07:34,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-05 00:07:34,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-09-05 00:07:34,358 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:07:34,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:07:34,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1708214701, now seen corresponding path program 8 times [2023-09-05 00:07:34,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:07:34,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925163394] [2023-09-05 00:07:34,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:07:34,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:07:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 34 proven. 48 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-09-05 00:07:34,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:07:34,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925163394] [2023-09-05 00:07:34,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925163394] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:07:34,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161593170] [2023-09-05 00:07:34,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-05 00:07:34,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:34,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:07:34,739 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:07:34,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-09-05 00:07:34,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-05 00:07:34,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:07:34,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-05 00:07:34,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:07:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-09-05 00:07:35,006 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:07:35,446 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 34 proven. 48 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-09-05 00:07:35,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161593170] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:07:35,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:07:35,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 11] total 17 [2023-09-05 00:07:35,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706320295] [2023-09-05 00:07:35,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:07:35,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-09-05 00:07:35,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:07:35,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-09-05 00:07:35,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2023-09-05 00:07:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:35,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:07:35,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 13.0) internal successors, (221), 17 states have internal predecessors, (221), 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) [2023-09-05 00:07:35,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:35,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:35,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:35,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:35,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:35,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-05 00:07:35,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-05 00:07:35,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-09-05 00:07:35,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:35,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-09-05 00:07:35,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-05 00:07:36,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:36,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-09-05 00:07:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-05 00:07:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-09-05 00:07:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-09-05 00:07:36,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-05 00:07:36,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-09-05 00:07:36,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:36,275 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-05 00:07:36,275 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:07:36,275 INFO L85 PathProgramCache]: Analyzing trace with hash 23662536, now seen corresponding path program 9 times [2023-09-05 00:07:36,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:07:36,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858963184] [2023-09-05 00:07:36,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:07:36,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:07:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:07:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 0 proven. 397 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-05 00:07:42,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:07:42,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858963184] [2023-09-05 00:07:42,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858963184] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:07:42,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490702812] [2023-09-05 00:07:42,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-05 00:07:42,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:07:42,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:07:42,053 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:07:42,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-09-05 00:07:42,436 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-09-05 00:07:42,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:07:42,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 27 conjunts are in the unsatisfiable core [2023-09-05 00:07:42,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:07:43,094 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:07:43,096 INFO L351 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 23 treesize of output 10 [2023-09-05 00:07:43,106 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-09-05 00:07:43,106 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:07:43,651 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:07:43,652 INFO L351 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 24 treesize of output 11 [2023-09-05 00:07:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 24 proven. 76 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-09-05 00:07:44,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490702812] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:07:44,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:07:44,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 15, 15] total 62 [2023-09-05 00:07:44,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526858117] [2023-09-05 00:07:44,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:07:44,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-09-05 00:07:44,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:07:44,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-09-05 00:07:44,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=508, Invalid=3274, Unknown=0, NotChecked=0, Total=3782 [2023-09-05 00:07:44,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:44,171 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:07:44,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.145161290322581) internal successors, (381), 62 states have internal predecessors, (381), 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) [2023-09-05 00:07:44,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:07:44,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:44,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:07:44,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-09-05 00:07:44,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-05 00:07:44,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-09-05 00:07:44,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-05 00:07:44,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-09-05 00:07:44,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:07:44,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-09-05 00:07:44,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-05 00:07:44,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Received shutdown request... [2023-09-05 00:11:28,539 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:11:28,539 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:11:28,546 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:11:28,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-09-05 00:11:28,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-09-05 00:11:28,789 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-05 00:11:28,791 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-05 00:11:28,791 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-05 00:11:28,791 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-05 00:11:28,815 INFO L445 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2023-09-05 00:11:28,817 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-05 00:11:28,817 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-05 00:11:28,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.09 12:11:28 BasicIcfg [2023-09-05 00:11:28,819 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-05 00:11:28,820 INFO L158 Benchmark]: Toolchain (without parser) took 267630.19ms. Allocated memory was 254.8MB in the beginning and 1.1GB in the end (delta: 808.5MB). Free memory was 205.2MB in the beginning and 734.0MB in the end (delta: -528.8MB). Peak memory consumption was 653.9MB. Max. memory is 7.0GB. [2023-09-05 00:11:28,820 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 168.8MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-05 00:11:28,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.36ms. Allocated memory is still 254.8MB. Free memory was 205.1MB in the beginning and 193.9MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-05 00:11:28,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.87ms. Allocated memory is still 254.8MB. Free memory was 193.9MB in the beginning and 191.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-05 00:11:28,821 INFO L158 Benchmark]: Boogie Preprocessor took 20.94ms. Allocated memory is still 254.8MB. Free memory was 191.9MB in the beginning and 190.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-05 00:11:28,821 INFO L158 Benchmark]: RCFGBuilder took 335.44ms. Allocated memory is still 254.8MB. Free memory was 190.4MB in the beginning and 169.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 7.0GB. [2023-09-05 00:11:28,822 INFO L158 Benchmark]: TraceAbstraction took 267075.06ms. Allocated memory was 254.8MB in the beginning and 1.1GB in the end (delta: 808.5MB). Free memory was 169.1MB in the beginning and 734.0MB in the end (delta: -564.9MB). Peak memory consumption was 617.2MB. Max. memory is 7.0GB. [2023-09-05 00:11:28,824 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 168.8MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 167.36ms. Allocated memory is still 254.8MB. Free memory was 205.1MB in the beginning and 193.9MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 26.87ms. Allocated memory is still 254.8MB. Free memory was 193.9MB in the beginning and 191.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 20.94ms. Allocated memory is still 254.8MB. Free memory was 191.9MB in the beginning and 190.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 335.44ms. Allocated memory is still 254.8MB. Free memory was 190.4MB in the beginning and 169.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 7.0GB. * TraceAbstraction took 267075.06ms. Allocated memory was 254.8MB in the beginning and 1.1GB in the end (delta: 808.5MB). Free memory was 169.1MB in the beginning and 734.0MB in the end (delta: -564.9MB). Peak memory consumption was 617.2MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10856, independent: 9424, independent conditional: 9424, independent unconditional: 0, dependent: 1432, dependent conditional: 1432, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9451, independent: 9424, independent conditional: 9424, independent unconditional: 0, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9451, independent: 9424, independent conditional: 9424, independent unconditional: 0, dependent: 27, dependent conditional: 27, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9775, independent: 9424, independent conditional: 0, independent unconditional: 9424, dependent: 351, dependent conditional: 324, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9775, independent: 9424, independent conditional: 0, independent unconditional: 9424, dependent: 351, dependent conditional: 0, dependent unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9775, independent: 9424, independent conditional: 0, independent unconditional: 9424, dependent: 351, dependent conditional: 0, dependent unconditional: 351, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9451, independent: 9424, independent conditional: 0, independent unconditional: 9424, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9451, independent: 9424, independent conditional: 0, independent unconditional: 9424, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9775, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 324, dependent conditional: 0, dependent unconditional: 324, unknown: 9451, unknown conditional: 0, unknown unconditional: 9451] , Statistics on independence cache: Total cache size (in pairs): 9451, Positive cache size: 9424, Positive conditional cache size: 0, Positive unconditional cache size: 9424, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 324, Maximal queried relation: 12, Independence queries for same thread: 1405 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 11 - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 266.9s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 237.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 332, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 24.3s InterpolantComputationTime, 2982 NumberOfCodeBlocks, 2922 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 4307 ConstructedInterpolants, 129 QuantifiedInterpolants, 37438 SizeOfPredicates, 101 NumberOfNonLiveVariables, 2986 ConjunctsInSsa, 230 ConjunctsInUnsatCore, 30 InterpolantComputations, 3 PerfectInterpolantSequences, 2867/4675 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown