/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-more-queue-add-3-nl.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-05 00:01:11,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-05 00:01:11,161 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-05 00:01:11,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-05 00:01:11,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-05 00:01:11,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-05 00:01:11,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-05 00:01:11,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-05 00:01:11,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-05 00:01:11,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-05 00:01:11,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-05 00:01:11,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-05 00:01:11,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-05 00:01:11,193 INFO L153 SettingsManager]: * Use SBE=true [2023-09-05 00:01:11,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-05 00:01:11,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-05 00:01:11,193 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-05 00:01:11,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-05 00:01:11,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-05 00:01:11,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-05 00:01:11,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-05 00:01:11,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-05 00:01:11,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-05 00:01:11,195 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-05 00:01:11,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-05 00:01:11,195 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-05 00:01:11,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-05 00:01:11,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-05 00:01:11,195 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-05 00:01:11,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-05 00:01:11,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-05 00:01:11,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-05 00:01:11,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-05 00:01:11,197 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-05 00:01:11,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-05 00:01:11,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-05 00:01:11,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-05 00:01:11,197 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-05 00:01:11,197 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-05 00:01:11,197 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-05 00:01:11,198 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-05 00:01:11,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-05 00:01:11,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-05 00:01:11,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-05 00:01:11,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-05 00:01:11,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-05 00:01:11,410 INFO L274 PluginConnector]: CDTParser initialized [2023-09-05 00:01:11,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2023-09-05 00:01:12,603 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-05 00:01:12,769 INFO L384 CDTParser]: Found 1 translation units. [2023-09-05 00:01:12,769 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2023-09-05 00:01:12,775 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ebd7c6ab/78ce85c1618e45aeb5af5d7f7a72b960/FLAGa16563c8a [2023-09-05 00:01:12,784 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ebd7c6ab/78ce85c1618e45aeb5af5d7f7a72b960 [2023-09-05 00:01:12,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-05 00:01:12,787 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-05 00:01:12,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-05 00:01:12,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-05 00:01:12,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-05 00:01:12,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:01:12" (1/1) ... [2023-09-05 00:01:12,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454e52f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:12, skipping insertion in model container [2023-09-05 00:01:12,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 12:01:12" (1/1) ... [2023-09-05 00:01:12,818 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-05 00:01:12,987 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-more-queue-add-3-nl.wvr.c[3615,3628] [2023-09-05 00:01:12,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-05 00:01:13,003 INFO L201 MainTranslator]: Completed pre-run [2023-09-05 00:01:13,029 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-more-queue-add-3-nl.wvr.c[3615,3628] [2023-09-05 00:01:13,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-05 00:01:13,045 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-05 00:01:13,045 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-05 00:01:13,050 INFO L206 MainTranslator]: Completed translation [2023-09-05 00:01:13,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:13 WrapperNode [2023-09-05 00:01:13,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-05 00:01:13,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-05 00:01:13,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-05 00:01:13,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-05 00:01:13,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:13" (1/1) ... [2023-09-05 00:01:13,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:13" (1/1) ... [2023-09-05 00:01:13,120 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 268 [2023-09-05 00:01:13,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-05 00:01:13,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-05 00:01:13,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-05 00:01:13,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-05 00:01:13,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:13" (1/1) ... [2023-09-05 00:01:13,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:13" (1/1) ... [2023-09-05 00:01:13,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:13" (1/1) ... [2023-09-05 00:01:13,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:13" (1/1) ... [2023-09-05 00:01:13,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:13" (1/1) ... [2023-09-05 00:01:13,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:13" (1/1) ... [2023-09-05 00:01:13,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:13" (1/1) ... [2023-09-05 00:01:13,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:13" (1/1) ... [2023-09-05 00:01:13,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-05 00:01:13,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-05 00:01:13,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-05 00:01:13,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-05 00:01:13,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:13" (1/1) ... [2023-09-05 00:01:13,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-05 00:01:13,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:01:13,204 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 00:01:13,239 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 00:01:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-05 00:01:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-05 00:01:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-05 00:01:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-05 00:01:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-05 00:01:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-05 00:01:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-05 00:01:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-05 00:01:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-05 00:01:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-05 00:01:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-05 00:01:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-05 00:01:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-05 00:01:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-05 00:01:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-05 00:01:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-05 00:01:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-05 00:01:13,258 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 00:01:13,379 INFO L236 CfgBuilder]: Building ICFG [2023-09-05 00:01:13,382 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-05 00:01:13,889 INFO L277 CfgBuilder]: Performing block encoding [2023-09-05 00:01:14,028 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-05 00:01:14,028 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-09-05 00:01:14,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:01:14 BoogieIcfgContainer [2023-09-05 00:01:14,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-05 00:01:14,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-05 00:01:14,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-05 00:01:14,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-05 00:01:14,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.09 12:01:12" (1/3) ... [2023-09-05 00:01:14,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a622dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:01:14, skipping insertion in model container [2023-09-05 00:01:14,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 12:01:13" (2/3) ... [2023-09-05 00:01:14,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a622dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.09 12:01:14, skipping insertion in model container [2023-09-05 00:01:14,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 12:01:14" (3/3) ... [2023-09-05 00:01:14,062 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c [2023-09-05 00:01:14,067 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-05 00:01:14,073 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-05 00:01:14,074 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-05 00:01:14,074 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-05 00:01:14,193 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-09-05 00:01:14,236 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-05 00:01:14,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-05 00:01:14,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:01:14,248 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 00:01:14,250 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 00:01:14,299 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-05 00:01:14,307 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-05 00:01:14,316 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;@178993f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-05 00:01:14,316 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. Found a loop, use abstraction hammer [2023-09-05 00:01:15,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:01:15,053 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:15,054 INFO L85 PathProgramCache]: Analyzing trace with hash 859677687, now seen corresponding path program 1 times [2023-09-05 00:01:15,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:15,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867451980] [2023-09-05 00:01:15,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:15,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:15,348 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 00:01:15,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:15,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867451980] [2023-09-05 00:01:15,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867451980] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-05 00:01:15,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-05 00:01:15,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-05 00:01:15,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971177464] [2023-09-05 00:01:15,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-05 00:01:15,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-05 00:01:15,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:01:15,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-05 00:01:15,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-05 00:01:15,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:15,380 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:01:15,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 86.5) internal successors, (173), 2 states have internal predecessors, (173), 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 00:01:15,382 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 00:01:15,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:15,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-05 00:01:15,776 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:01:15,777 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:15,777 INFO L85 PathProgramCache]: Analyzing trace with hash -61902477, now seen corresponding path program 1 times [2023-09-05 00:01:15,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:15,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861876895] [2023-09-05 00:01:15,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:15,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:16,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-05 00:01:16,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:16,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861876895] [2023-09-05 00:01:16,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861876895] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-05 00:01:16,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-05 00:01:16,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-05 00:01:16,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975541141] [2023-09-05 00:01:16,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-05 00:01:16,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-05 00:01:16,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:01:16,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-05 00:01:16,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-05 00:01:16,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:16,116 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:01:16,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 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 00:01:16,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:16,116 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 00:01:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:16,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-05 00:01:16,534 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:01:16,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:16,535 INFO L85 PathProgramCache]: Analyzing trace with hash 207595157, now seen corresponding path program 1 times [2023-09-05 00:01:16,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:16,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857561153] [2023-09-05 00:01:16,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:16,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-05 00:01:16,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:16,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857561153] [2023-09-05 00:01:16,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857561153] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:01:16,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771042582] [2023-09-05 00:01:16,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:16,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:16,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:01:16,853 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 00:01:16,854 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 00:01:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:16,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 9 conjunts are in the unsatisfiable core [2023-09-05 00:01:16,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:01:17,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-05 00:01:17,215 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:01:17,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-05 00:01:17,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771042582] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:01:17,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:01:17,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-09-05 00:01:17,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681618500] [2023-09-05 00:01:17,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:01:17,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-09-05 00:01:17,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:01:17,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-09-05 00:01:17,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-09-05 00:01:17,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:17,424 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:01:17,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.368421052631579) internal successors, (235), 19 states have internal predecessors, (235), 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 00:01:17,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:17,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:17,424 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 00:01:17,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:17,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:17,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:17,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-05 00:01:18,161 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,SelfDestructingSolverStorable2 [2023-09-05 00:01:18,162 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:01:18,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:18,163 INFO L85 PathProgramCache]: Analyzing trace with hash 2029378339, now seen corresponding path program 2 times [2023-09-05 00:01:18,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:18,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497456792] [2023-09-05 00:01:18,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:18,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:18,485 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-09-05 00:01:18,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:18,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497456792] [2023-09-05 00:01:18,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497456792] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-05 00:01:18,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-05 00:01:18,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-05 00:01:18,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24254947] [2023-09-05 00:01:18,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-05 00:01:18,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-05 00:01:18,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:01:18,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-05 00:01:18,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-05 00:01:18,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:18,494 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:01:18,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 00:01:18,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:18,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:18,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:18,494 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 00:01:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:18,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:01:18,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-05 00:01:18,517 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:01:18,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:18,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1783731196, now seen corresponding path program 3 times [2023-09-05 00:01:18,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:18,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277882560] [2023-09-05 00:01:18,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:18,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-05 00:01:19,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:19,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277882560] [2023-09-05 00:01:19,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277882560] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:01:19,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78848170] [2023-09-05 00:01:19,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-05 00:01:19,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:19,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:01:19,962 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 00:01:19,965 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 00:01:20,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-09-05 00:01:20,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:01:20,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 11 conjunts are in the unsatisfiable core [2023-09-05 00:01:20,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:01:20,281 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-09-05 00:01:20,282 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:01:20,351 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:01:20,352 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 12 [2023-09-05 00:01:20,460 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-09-05 00:01:20,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78848170] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:01:20,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:01:20,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 5, 5] total 26 [2023-09-05 00:01:20,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933240479] [2023-09-05 00:01:20,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:01:20,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-09-05 00:01:20,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:01:20,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-09-05 00:01:20,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2023-09-05 00:01:20,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:20,463 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:01:20,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 13.23076923076923) internal successors, (344), 26 states have internal predecessors, (344), 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 00:01:20,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:20,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:20,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:20,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:01:20,464 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 00:01:21,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:01:21,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:01:21,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-05 00:01:21,907 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 00:01:21,908 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:01:21,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:21,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1478436207, now seen corresponding path program 1 times [2023-09-05 00:01:21,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:21,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042672810] [2023-09-05 00:01:21,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:21,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:22,392 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-09-05 00:01:22,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:22,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042672810] [2023-09-05 00:01:22,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042672810] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:01:22,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195092500] [2023-09-05 00:01:22,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:22,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:22,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:01:22,394 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 00:01:22,397 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 00:01:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:22,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 9 conjunts are in the unsatisfiable core [2023-09-05 00:01:22,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:01:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-09-05 00:01:22,642 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:01:22,793 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-09-05 00:01:22,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195092500] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:01:22,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:01:22,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-09-05 00:01:22,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033776309] [2023-09-05 00:01:22,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:01:22,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-09-05 00:01:22,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:01:22,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-09-05 00:01:22,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-09-05 00:01:22,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:22,795 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:01:22,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.578947368421053) internal successors, (239), 19 states have internal predecessors, (239), 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 00:01:22,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:22,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:22,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:22,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:01:22,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:01:22,796 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 00:01:22,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:22,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:22,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:22,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:01:22,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:01:22,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:01:22,988 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 00:01:23,185 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 00:01:23,186 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:01:23,186 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:23,186 INFO L85 PathProgramCache]: Analyzing trace with hash 2032029363, now seen corresponding path program 2 times [2023-09-05 00:01:23,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:23,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540178863] [2023-09-05 00:01:23,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:23,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:24,443 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-09-05 00:01:24,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:24,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540178863] [2023-09-05 00:01:24,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540178863] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:01:24,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805808417] [2023-09-05 00:01:24,444 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-05 00:01:24,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:24,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:01:24,461 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 00:01:24,497 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 00:01:24,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-05 00:01:24,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:01:24,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 29 conjunts are in the unsatisfiable core [2023-09-05 00:01:24,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:01:25,797 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:01:25,798 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 00:01:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-09-05 00:01:25,803 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:01:25,952 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:01:25,953 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 00:01:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-09-05 00:01:26,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805808417] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:01:26,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:01:26,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 15] total 44 [2023-09-05 00:01:26,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601196859] [2023-09-05 00:01:26,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:01:26,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-09-05 00:01:26,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:01:26,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-09-05 00:01:26,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=1595, Unknown=0, NotChecked=0, Total=1892 [2023-09-05 00:01:26,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:26,879 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:01:26,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 9.909090909090908) internal successors, (436), 44 states have internal predecessors, (436), 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 00:01:26,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:26,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:26,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:26,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:01:26,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:01:26,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:01:26,879 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 00:01:27,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:27,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:27,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:27,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:01:27,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:01:27,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:01:27,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:01:27,847 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 00:01:28,042 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 00:01:28,042 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:01:28,042 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:28,043 INFO L85 PathProgramCache]: Analyzing trace with hash -2141863987, now seen corresponding path program 1 times [2023-09-05 00:01:28,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:28,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240966408] [2023-09-05 00:01:28,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:28,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-09-05 00:01:31,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:31,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240966408] [2023-09-05 00:01:31,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240966408] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:01:31,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478606366] [2023-09-05 00:01:31,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:31,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:31,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:01:31,304 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 00:01:31,306 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 00:01:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:31,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 46 conjunts are in the unsatisfiable core [2023-09-05 00:01:31,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:01:32,473 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 1 proven. 98 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-09-05 00:01:32,474 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:01:32,580 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:01:32,581 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 12 [2023-09-05 00:01:33,647 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 1 proven. 98 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-09-05 00:01:33,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478606366] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:01:33,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:01:33,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 22, 22] total 63 [2023-09-05 00:01:33,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353912629] [2023-09-05 00:01:33,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:01:33,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-09-05 00:01:33,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:01:33,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-09-05 00:01:33,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=841, Invalid=3065, Unknown=0, NotChecked=0, Total=3906 [2023-09-05 00:01:33,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:33,651 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:01:33,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 8.301587301587302) internal successors, (523), 63 states have internal predecessors, (523), 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 00:01:33,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:33,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:33,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:33,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:01:33,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:01:33,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:01:33,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:01:33,652 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 00:01:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:01:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:01:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:01:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:01:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:01:35,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-05 00:01:35,328 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 00:01:35,328 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:01:35,328 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:35,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1784673978, now seen corresponding path program 2 times [2023-09-05 00:01:35,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:35,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640381555] [2023-09-05 00:01:35,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:35,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:39,285 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-09-05 00:01:39,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:39,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640381555] [2023-09-05 00:01:39,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640381555] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:01:39,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447100088] [2023-09-05 00:01:39,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-05 00:01:39,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:39,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:01:39,293 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 00:01:39,296 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 00:01:39,506 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-05 00:01:39,506 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:01:39,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 49 conjunts are in the unsatisfiable core [2023-09-05 00:01:39,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:01:40,185 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 1 proven. 199 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-09-05 00:01:40,186 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:01:40,285 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:01:40,285 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 26 treesize of output 14 [2023-09-05 00:01:40,459 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2023-09-05 00:01:40,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447100088] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:01:40,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:01:40,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 21, 7] total 52 [2023-09-05 00:01:40,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944416678] [2023-09-05 00:01:40,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:01:40,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-09-05 00:01:40,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:01:40,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-09-05 00:01:40,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=2452, Unknown=0, NotChecked=0, Total=2652 [2023-09-05 00:01:40,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:40,463 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:01:40,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 8.788461538461538) internal successors, (457), 52 states have internal predecessors, (457), 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 00:01:40,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:40,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:40,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:40,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:01:40,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:01:40,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:01:40,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:01:40,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:01:40,463 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 00:01:43,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:43,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:43,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:01:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:01:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:01:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:01:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:01:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:01:43,242 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 00:01:43,436 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 00:01:43,437 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:01:43,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:43,437 INFO L85 PathProgramCache]: Analyzing trace with hash 2131252210, now seen corresponding path program 3 times [2023-09-05 00:01:43,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:43,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247865728] [2023-09-05 00:01:43,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:43,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:48,316 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 386 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-09-05 00:01:48,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:48,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247865728] [2023-09-05 00:01:48,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247865728] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:01:48,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847937978] [2023-09-05 00:01:48,332 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-05 00:01:48,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:48,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:01:48,334 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 00:01:48,336 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 00:01:48,687 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-09-05 00:01:48,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:01:48,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 16 conjunts are in the unsatisfiable core [2023-09-05 00:01:48,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:01:49,031 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2023-09-05 00:01:49,036 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2023-09-05 00:01:49,036 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:01:49,110 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:01:49,110 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 00:01:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2023-09-05 00:01:49,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847937978] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:01:49,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:01:49,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 8, 8] total 48 [2023-09-05 00:01:49,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731201931] [2023-09-05 00:01:49,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:01:49,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-09-05 00:01:49,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:01:49,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-09-05 00:01:49,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=2073, Unknown=0, NotChecked=0, Total=2256 [2023-09-05 00:01:49,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:49,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:01:49,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.708333333333334) internal successors, (418), 48 states have internal predecessors, (418), 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 00:01:49,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:49,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:49,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:49,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:01:49,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:01:49,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:01:49,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:01:49,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:01:49,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:01:49,357 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 00:01:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:01:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:01:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:01:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:01:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:01:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:01:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:01:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:01:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:01:53,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:01:53,086 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 00:01:53,277 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 00:01:53,278 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:01:53,278 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:01:53,278 INFO L85 PathProgramCache]: Analyzing trace with hash 208928242, now seen corresponding path program 4 times [2023-09-05 00:01:53,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:01:53,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087374466] [2023-09-05 00:01:53,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:01:53,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:01:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:01:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-09-05 00:01:59,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:01:59,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087374466] [2023-09-05 00:01:59,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087374466] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:01:59,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245331916] [2023-09-05 00:01:59,043 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-05 00:01:59,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:01:59,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:01:59,044 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 00:01:59,046 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 00:01:59,363 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-05 00:01:59,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:01:59,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 70 conjunts are in the unsatisfiable core [2023-09-05 00:01:59,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:02:01,208 INFO L322 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-09-05 00:02:01,209 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 10 [2023-09-05 00:02:01,255 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-09-05 00:02:01,255 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:02:01,506 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:02:01,507 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 26 treesize of output 14 [2023-09-05 00:02:03,150 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-09-05 00:02:03,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245331916] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:02:03,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:02:03,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 33, 33] total 100 [2023-09-05 00:02:03,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72200819] [2023-09-05 00:02:03,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:02:03,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2023-09-05 00:02:03,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:02:03,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2023-09-05 00:02:03,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1089, Invalid=8811, Unknown=0, NotChecked=0, Total=9900 [2023-09-05 00:02:03,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:02:03,156 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:02:03,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 6.87) internal successors, (687), 100 states have internal predecessors, (687), 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 00:02:03,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:02:03,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:02:03,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:02:03,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:02:03,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:02:03,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:02:03,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:02:03,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:02:03,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:02:03,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:02:03,173 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 00:02:07,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:02:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:02:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:02:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:02:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:02:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:02:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:02:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:02:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:02:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:02:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:02:07,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-09-05 00:02:07,482 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 00:02:07,482 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:02:07,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:02:07,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1963558023, now seen corresponding path program 5 times [2023-09-05 00:02:07,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:02:07,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594791045] [2023-09-05 00:02:07,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:02:07,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:02:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:02:12,692 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 1 proven. 582 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-09-05 00:02:12,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:02:12,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594791045] [2023-09-05 00:02:12,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594791045] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:02:12,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900164184] [2023-09-05 00:02:12,695 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-05 00:02:12,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:02:12,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:02:12,700 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 00:02:12,701 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 00:02:13,843 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2023-09-05 00:02:13,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:02:13,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 52 conjunts are in the unsatisfiable core [2023-09-05 00:02:13,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:02:14,771 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2023-09-05 00:02:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2023-09-05 00:02:14,795 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:02:14,859 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:02:14,860 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 00:02:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 3 proven. 79 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2023-09-05 00:02:15,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900164184] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:02:15,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:02:15,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 23, 10] total 67 [2023-09-05 00:02:15,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106371159] [2023-09-05 00:02:15,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:02:15,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-09-05 00:02:15,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:02:15,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-09-05 00:02:15,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=4135, Unknown=0, NotChecked=0, Total=4422 [2023-09-05 00:02:15,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:02:15,051 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:02:15,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 7.850746268656716) internal successors, (526), 67 states have internal predecessors, (526), 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 00:02:15,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:02:15,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:02:15,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:02:15,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:02:15,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:02:15,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:02:15,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:02:15,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:02:15,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:02:15,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:02:15,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:02:15,052 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 00:02:19,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:02:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:02:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:02:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:02:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:02:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:02:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:02:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:02:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:02:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:02:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:02:19,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:02:19,705 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 00:02:19,906 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 00:02:19,906 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:02:19,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:02:19,906 INFO L85 PathProgramCache]: Analyzing trace with hash 2111511899, now seen corresponding path program 6 times [2023-09-05 00:02:19,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:02:19,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015070154] [2023-09-05 00:02:19,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:02:19,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:02:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:02:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 5 proven. 716 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-09-05 00:02:26,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:02:26,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015070154] [2023-09-05 00:02:26,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015070154] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:02:26,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174528533] [2023-09-05 00:02:26,263 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-05 00:02:26,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:02:26,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:02:26,264 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:02:26,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-09-05 00:02:30,074 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2023-09-05 00:02:30,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:02:30,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 23 conjunts are in the unsatisfiable core [2023-09-05 00:02:30,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:02:30,835 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:02:30,835 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 00:02:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2023-09-05 00:02:30,856 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:02:30,948 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:02:30,948 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 26 treesize of output 14 [2023-09-05 00:02:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2023-09-05 00:02:31,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174528533] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:02:31,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:02:31,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 10, 10] total 51 [2023-09-05 00:02:31,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049128743] [2023-09-05 00:02:31,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:02:31,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-09-05 00:02:31,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:02:31,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-09-05 00:02:31,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=2256, Unknown=0, NotChecked=0, Total=2550 [2023-09-05 00:02:31,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:02:31,326 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:02:31,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 9.72549019607843) internal successors, (496), 51 states have internal predecessors, (496), 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 00:02:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:02:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:02:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:02:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:02:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:02:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:02:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:02:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:02:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:02:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:02:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:02:31,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:02:31,327 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 00:02:33,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:02:33,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:02:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:02:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:02:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:02:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:02:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:02:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:02:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:02:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:02:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:02:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:02:33,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:02:33,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-09-05 00:02:33,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-09-05 00:02:33,299 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:02:33,299 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:02:33,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1774899938, now seen corresponding path program 7 times [2023-09-05 00:02:33,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:02:33,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100521215] [2023-09-05 00:02:33,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:02:33,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:02:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:02:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 6 proven. 800 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-09-05 00:02:40,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:02:40,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100521215] [2023-09-05 00:02:40,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100521215] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:02:40,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742910643] [2023-09-05 00:02:40,786 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-05 00:02:40,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:02:40,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:02:40,787 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:02:40,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-09-05 00:02:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:02:41,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 94 conjunts are in the unsatisfiable core [2023-09-05 00:02:41,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:02:44,270 INFO L322 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-09-05 00:02:44,270 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 10 [2023-09-05 00:02:44,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 0 proven. 806 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-09-05 00:02:44,323 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:02:45,036 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:02:45,036 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 26 treesize of output 14 [2023-09-05 00:02:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 0 proven. 806 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-09-05 00:02:48,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742910643] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:02:48,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:02:48,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 45, 45] total 140 [2023-09-05 00:02:48,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534121140] [2023-09-05 00:02:48,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:02:48,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2023-09-05 00:02:48,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:02:48,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2023-09-05 00:02:48,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2623, Invalid=16837, Unknown=0, NotChecked=0, Total=19460 [2023-09-05 00:02:48,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:02:48,296 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:02:48,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 140 states have (on average 6.135714285714286) internal successors, (859), 140 states have internal predecessors, (859), 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 00:02:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:02:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:02:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:02:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:02:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:02:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:02:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:02:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:02:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:02:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:02:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:02:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:02:48,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:02:48,297 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 00:02:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:02:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:02:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:02:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:02:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:02:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:02:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:02:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:02:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:02:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:02:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:02:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:02:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:02:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:02:56,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-09-05 00:02:56,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-09-05 00:02:56,859 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:02:56,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:02:56,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1354411205, now seen corresponding path program 8 times [2023-09-05 00:02:56,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:02:56,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169915344] [2023-09-05 00:02:56,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:02:56,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:02:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:03:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 0 proven. 995 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2023-09-05 00:03:02,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:03:02,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169915344] [2023-09-05 00:03:02,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169915344] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:03:02,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629632968] [2023-09-05 00:03:02,454 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-05 00:03:02,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:02,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:03:02,455 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:03:02,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-09-05 00:03:02,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-05 00:03:02,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:03:02,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 59 conjunts are in the unsatisfiable core [2023-09-05 00:03:02,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:03:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 0 proven. 822 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2023-09-05 00:03:03,987 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:03:04,344 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:03:04,344 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 26 treesize of output 14 [2023-09-05 00:03:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2023-09-05 00:03:04,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629632968] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:03:04,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:03:04,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 25, 12] total 82 [2023-09-05 00:03:04,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386430784] [2023-09-05 00:03:04,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:03:04,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2023-09-05 00:03:04,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:03:04,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2023-09-05 00:03:04,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=6370, Unknown=0, NotChecked=0, Total=6642 [2023-09-05 00:03:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:04,533 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:03:04,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 7.670731707317073) internal successors, (629), 82 states have internal predecessors, (629), 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 00:03:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:03:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:03:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:03:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:03:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:03:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:03:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:03:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:03:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:03:04,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:03:04,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:04,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:03:04,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:04,534 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 00:03:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:03:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:03:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:03:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:03:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:03:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:03:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:03:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:03:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:03:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:03:11,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:11,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:03:11,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:11,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-09-05 00:03:11,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-09-05 00:03:11,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-09-05 00:03:11,476 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:03:11,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:03:11,477 INFO L85 PathProgramCache]: Analyzing trace with hash 494546016, now seen corresponding path program 9 times [2023-09-05 00:03:11,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:03:11,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111742695] [2023-09-05 00:03:11,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:03:11,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:03:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:03:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 0 proven. 1070 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2023-09-05 00:03:18,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:03:18,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111742695] [2023-09-05 00:03:18,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111742695] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:03:18,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238175854] [2023-09-05 00:03:18,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-05 00:03:18,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:18,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:03:18,384 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:03:18,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-09-05 00:03:18,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-09-05 00:03:18,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:03:18,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 24 conjunts are in the unsatisfiable core [2023-09-05 00:03:18,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:03:19,804 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:03:19,805 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 00:03:19,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 1226 trivial. 0 not checked. [2023-09-05 00:03:19,808 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:03:19,997 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:03:19,997 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 00:03:20,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 3 proven. 228 refuted. 0 times theorem prover too weak. 1226 trivial. 0 not checked. [2023-09-05 00:03:20,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238175854] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:03:20,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:03:20,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 12, 12] total 69 [2023-09-05 00:03:20,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620934481] [2023-09-05 00:03:20,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:03:20,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-09-05 00:03:20,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:03:20,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-09-05 00:03:20,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=4414, Unknown=0, NotChecked=0, Total=4692 [2023-09-05 00:03:20,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:20,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:03:20,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 7.7101449275362315) internal successors, (532), 69 states have internal predecessors, (532), 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 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:20,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-09-05 00:03:20,557 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 00:03:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:03:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:03:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:03:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:03:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:03:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:03:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:03:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:03:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:03:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:03:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:03:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-09-05 00:03:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-05 00:03:27,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-09-05 00:03:27,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:27,510 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:03:27,510 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:03:27,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1150574020, now seen corresponding path program 10 times [2023-09-05 00:03:27,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:03:27,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083448151] [2023-09-05 00:03:27,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:03:27,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:03:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:03:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 6 proven. 1189 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2023-09-05 00:03:34,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:03:34,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083448151] [2023-09-05 00:03:34,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083448151] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:03:34,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050433952] [2023-09-05 00:03:34,603 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-05 00:03:34,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:03:34,604 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:03:34,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-09-05 00:03:34,824 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-05 00:03:34,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:03:34,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 29 conjunts are in the unsatisfiable core [2023-09-05 00:03:34,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:03:36,164 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:03:36,164 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 00:03:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 0 proven. 328 refuted. 0 times theorem prover too weak. 1214 trivial. 0 not checked. [2023-09-05 00:03:36,199 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:03:36,458 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:03:36,458 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 26 treesize of output 14 [2023-09-05 00:03:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 0 proven. 328 refuted. 0 times theorem prover too weak. 1214 trivial. 0 not checked. [2023-09-05 00:03:36,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050433952] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:03:36,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:03:36,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 13, 13] total 73 [2023-09-05 00:03:36,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517399362] [2023-09-05 00:03:36,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:03:36,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-09-05 00:03:36,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:03:36,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-09-05 00:03:36,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=4817, Unknown=0, NotChecked=0, Total=5256 [2023-09-05 00:03:36,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:36,992 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:03:36,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 8.342465753424657) internal successors, (609), 73 states have internal predecessors, (609), 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 00:03:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:03:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:03:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:03:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:03:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:03:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:03:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:03:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:03:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:03:36,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:03:36,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:36,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:03:36,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:36,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-09-05 00:03:36,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-05 00:03:36,993 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 00:03:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:03:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:03:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:03:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:03:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:03:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:03:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:03:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:03:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:03:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:03:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:03:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-09-05 00:03:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-05 00:03:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-05 00:03:40,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-09-05 00:03:40,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-09-05 00:03:40,790 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:03:40,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:03:40,790 INFO L85 PathProgramCache]: Analyzing trace with hash 325843929, now seen corresponding path program 11 times [2023-09-05 00:03:40,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:03:40,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511280815] [2023-09-05 00:03:40,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:03:40,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:03:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:03:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 0 proven. 1368 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2023-09-05 00:03:47,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:03:47,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511280815] [2023-09-05 00:03:47,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511280815] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:03:47,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941912093] [2023-09-05 00:03:47,990 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-05 00:03:47,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:03:47,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:03:47,991 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:03:47,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-09-05 00:03:54,364 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2023-09-05 00:03:54,364 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:03:54,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 58 conjunts are in the unsatisfiable core [2023-09-05 00:03:54,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:03:56,027 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:03:56,027 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 00:03:56,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 0 proven. 548 refuted. 0 times theorem prover too weak. 1274 trivial. 0 not checked. [2023-09-05 00:03:56,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:03:56,270 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:03:56,270 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 00:03:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 3 proven. 278 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2023-09-05 00:03:56,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941912093] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:03:56,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:03:56,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 27, 14] total 88 [2023-09-05 00:03:56,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964126610] [2023-09-05 00:03:56,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:03:56,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2023-09-05 00:03:56,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:03:56,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2023-09-05 00:03:56,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=7317, Unknown=0, NotChecked=0, Total=7656 [2023-09-05 00:03:56,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:56,926 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:03:56,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 7.068181818181818) internal successors, (622), 88 states have internal predecessors, (622), 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 00:03:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:03:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:03:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:03:56,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:03:56,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:03:56,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:03:56,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:03:56,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:03:56,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:03:56,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:03:56,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:03:56,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:56,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:03:56,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:03:56,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-09-05 00:03:56,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-05 00:03:56,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-09-05 00:03:56,930 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 00:04:02,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:02,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:04:02,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:04:02,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-05 00:04:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:04:02,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-09-05 00:04:02,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-09-05 00:04:02,974 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:04:02,975 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:04:02,975 INFO L85 PathProgramCache]: Analyzing trace with hash 288084839, now seen corresponding path program 12 times [2023-09-05 00:04:02,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:04:02,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878353463] [2023-09-05 00:04:02,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:04:02,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:04:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:04:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 6 proven. 1469 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2023-09-05 00:04:15,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:04:15,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878353463] [2023-09-05 00:04:15,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878353463] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:04:15,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244595499] [2023-09-05 00:04:15,068 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-05 00:04:15,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:04:15,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:04:15,069 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:04:15,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-09-05 00:04:22,453 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2023-09-05 00:04:22,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:04:22,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-09-05 00:04:22,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:04:23,925 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-05 00:04:23,926 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 00:04:23,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 358 refuted. 0 times theorem prover too weak. 1562 trivial. 0 not checked. [2023-09-05 00:04:23,966 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:04:24,255 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:04:24,256 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 26 treesize of output 14 [2023-09-05 00:04:25,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1920 backedges. 0 proven. 358 refuted. 0 times theorem prover too weak. 1562 trivial. 0 not checked. [2023-09-05 00:04:25,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244595499] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:04:25,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:04:25,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 14, 14] total 79 [2023-09-05 00:04:25,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587749204] [2023-09-05 00:04:25,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:04:25,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2023-09-05 00:04:25,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:04:25,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2023-09-05 00:04:25,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=527, Invalid=5635, Unknown=0, NotChecked=0, Total=6162 [2023-09-05 00:04:25,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:25,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:04:25,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 8.037974683544304) internal successors, (635), 79 states have internal predecessors, (635), 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 00:04:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:04:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:04:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:04:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:04:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:04:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:04:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:04:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:04:25,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:04:25,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:04:25,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:04:25,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:04:25,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:04:25,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-09-05 00:04:25,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-05 00:04:25,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-09-05 00:04:25,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:04:25,076 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 00:04:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:04:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:04:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:04:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-09-05 00:04:30,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-09-05 00:04:30,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:04:30,571 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:04:30,571 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:04:30,571 INFO L85 PathProgramCache]: Analyzing trace with hash -755087136, now seen corresponding path program 13 times [2023-09-05 00:04:30,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:04:30,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730829692] [2023-09-05 00:04:30,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:04:30,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:04:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:04:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 12 proven. 1806 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2023-09-05 00:04:47,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:04:47,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730829692] [2023-09-05 00:04:47,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730829692] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:04:47,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588947999] [2023-09-05 00:04:47,312 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-05 00:04:47,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:04:47,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:04:47,313 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:04:47,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-09-05 00:04:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:04:48,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 1173 conjuncts, 75 conjunts are in the unsatisfiable core [2023-09-05 00:04:48,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-05 00:04:51,858 INFO L322 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-09-05 00:04:51,858 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 10 [2023-09-05 00:04:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 0 proven. 1426 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2023-09-05 00:04:51,930 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-05 00:04:52,541 INFO L322 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2023-09-05 00:04:52,541 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 26 treesize of output 14 [2023-09-05 00:04:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 0 proven. 419 refuted. 0 times theorem prover too weak. 1844 trivial. 0 not checked. [2023-09-05 00:04:53,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588947999] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-05 00:04:53,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-05 00:04:53,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 34, 15] total 113 [2023-09-05 00:04:53,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674588447] [2023-09-05 00:04:53,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-05 00:04:53,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2023-09-05 00:04:53,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-05 00:04:53,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2023-09-05 00:04:53,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=12077, Unknown=0, NotChecked=0, Total=12656 [2023-09-05 00:04:53,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:53,343 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-05 00:04:53,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 6.6371681415929205) internal successors, (750), 113 states have internal predecessors, (750), 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 00:04:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:04:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:04:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:04:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:04:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:04:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:04:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:04:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:04:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:04:53,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:04:53,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:04:53,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:04:53,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:04:53,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:04:53,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-09-05 00:04:53,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-05 00:04:53,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2023-09-05 00:04:53,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:04:53,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2023-09-05 00:04:53,344 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 00:05:07,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-09-05 00:05:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-09-05 00:05:07,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-09-05 00:05:07,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-09-05 00:05:07,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-09-05 00:05:07,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:05:07,252 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-05 00:05:07,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-05 00:05:07,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1283493831, now seen corresponding path program 14 times [2023-09-05 00:05:07,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-05 00:05:07,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363173454] [2023-09-05 00:05:07,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-05 00:05:07,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-05 00:05:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-05 00:05:15,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 0 proven. 1727 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2023-09-05 00:05:15,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-05 00:05:15,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363173454] [2023-09-05 00:05:15,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363173454] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-05 00:05:15,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843076803] [2023-09-05 00:05:15,762 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-05 00:05:15,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:05:15,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-05 00:05:15,763 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-05 00:05:15,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-09-05 00:05:16,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-05 00:05:16,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-05 00:05:16,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 1196 conjuncts, 132 conjunts are in the unsatisfiable core [2023-09-05 00:05:16,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-09-05 00:05:21,119 WARN L266 SmtUtils]: Removed 2 from assertion stack [2023-09-05 00:05:21,122 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-09-05 00:05:21,131 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 00:05:21,132 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-05 00:05:21,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-09-05 00:05:21,136 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 00:05:21,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-05 00:05:21,335 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 521 with TraceHistMax 19,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 24 for 7ms.. [2023-09-05 00:05:21,337 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-09-05 00:05:21,337 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-09-05 00:05:21,337 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-09-05 00:05:21,346 INFO L445 BasicCegarLoop]: Path program histogram: [14, 3, 2, 1, 1] [2023-09-05 00:05:21,350 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-05 00:05:21,350 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-05 00:05:21,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.09 12:05:21 BasicIcfg [2023-09-05 00:05:21,353 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-05 00:05:21,353 INFO L158 Benchmark]: Toolchain (without parser) took 248566.36ms. Allocated memory was 260.0MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 215.7MB in the beginning and 1.1GB in the end (delta: -840.8MB). Peak memory consumption was 560.1MB. Max. memory is 7.0GB. [2023-09-05 00:05:21,353 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 156.2MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-05 00:05:21,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.54ms. Allocated memory is still 260.0MB. Free memory was 215.2MB in the beginning and 203.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-05 00:05:21,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.13ms. Allocated memory is still 260.0MB. Free memory was 203.1MB in the beginning and 200.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-05 00:05:21,358 INFO L158 Benchmark]: Boogie Preprocessor took 20.94ms. Allocated memory is still 260.0MB. Free memory was 200.5MB in the beginning and 198.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-05 00:05:21,358 INFO L158 Benchmark]: RCFGBuilder took 887.21ms. Allocated memory is still 260.0MB. Free memory was 198.9MB in the beginning and 163.8MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 7.0GB. [2023-09-05 00:05:21,358 INFO L158 Benchmark]: TraceAbstraction took 247321.55ms. Allocated memory was 260.0MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 162.8MB in the beginning and 1.1GB in the end (delta: -893.8MB). Peak memory consumption was 506.6MB. Max. memory is 7.0GB. [2023-09-05 00:05:21,359 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 156.2MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 270.54ms. Allocated memory is still 260.0MB. Free memory was 215.2MB in the beginning and 203.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 62.13ms. Allocated memory is still 260.0MB. Free memory was 203.1MB in the beginning and 200.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 20.94ms. Allocated memory is still 260.0MB. Free memory was 200.5MB in the beginning and 198.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 887.21ms. Allocated memory is still 260.0MB. Free memory was 198.9MB in the beginning and 163.8MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 7.0GB. * TraceAbstraction took 247321.55ms. Allocated memory was 260.0MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 162.8MB in the beginning and 1.1GB in the end (delta: -893.8MB). Peak memory consumption was 506.6MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6853, independent: 6320, independent conditional: 6320, independent unconditional: 0, dependent: 533, dependent conditional: 533, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6374, independent: 6320, independent conditional: 6320, independent unconditional: 0, dependent: 54, dependent conditional: 54, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6374, independent: 6320, independent conditional: 6320, independent unconditional: 0, dependent: 54, dependent conditional: 54, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6882, independent: 6320, independent conditional: 0, independent unconditional: 6320, dependent: 562, dependent conditional: 508, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6882, independent: 6320, independent conditional: 0, independent unconditional: 6320, dependent: 562, dependent conditional: 0, dependent unconditional: 562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6882, independent: 6320, independent conditional: 0, independent unconditional: 6320, dependent: 562, dependent conditional: 0, dependent unconditional: 562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6374, independent: 6320, independent conditional: 0, independent unconditional: 6320, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6374, independent: 6320, independent conditional: 0, independent unconditional: 6320, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 54, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 143, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 143, dependent conditional: 0, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6882, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 508, dependent conditional: 0, dependent unconditional: 508, unknown: 6374, unknown conditional: 0, unknown unconditional: 6374] , Statistics on independence cache: Total cache size (in pairs): 6374, Positive cache size: 6320, Positive conditional cache size: 0, Positive unconditional cache size: 6320, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 508, Maximal queried relation: 20, Independence queries for same thread: 479 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 138 - TimeoutResultAtElement [Line: 135]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 521 with TraceHistMax 19,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 24 for 7ms.. - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 521 with TraceHistMax 19,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 24 for 7ms.. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 521 with TraceHistMax 19,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 24 for 7ms.. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 521 with TraceHistMax 19,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 24 for 7ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 237 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 247.1s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 73.2s, 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: 1068, 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: 0.7s SsaConstructionTime, 24.0s SatisfiabilityAnalysisTime, 129.7s InterpolantComputationTime, 12539 NumberOfCodeBlocks, 12185 NumberOfCodeBlocksAsserted, 105 NumberOfCheckSat, 18481 ConstructedInterpolants, 383 QuantifiedInterpolants, 194410 SizeOfPredicates, 315 NumberOfNonLiveVariables, 13091 ConjunctsInSsa, 684 ConjunctsInUnsatCore, 54 InterpolantComputations, 3 PerfectInterpolantSequences, 24161/44285 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