/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/array-eq-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 00:02:05,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 00:02:06,070 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-01-26 00:02:06,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 00:02:06,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 00:02:06,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-01-26 00:02:06,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 00:02:06,113 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 00:02:06,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 00:02:06,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 00:02:06,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 00:02:06,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 00:02:06,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 00:02:06,121 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 00:02:06,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 00:02:06,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 00:02:06,122 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 00:02:06,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 00:02:06,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 00:02:06,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 00:02:06,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 00:02:06,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 00:02:06,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 00:02:06,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 00:02:06,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 00:02:06,125 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 00:02:06,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 00:02:06,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 00:02:06,127 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 00:02:06,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 00:02:06,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 00:02:06,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 00:02:06,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 00:02:06,128 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-01-26 00:02:06,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-01-26 00:02:06,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 00:02:06,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 00:02:06,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 00:02:06,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 00:02:06,129 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 00:02:06,129 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-01-26 00:02:06,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 00:02:06,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 00:02:06,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 00:02:06,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 00:02:06,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 00:02:06,481 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 00:02:06,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/array-eq-trans.wvr.c [2024-01-26 00:02:07,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 00:02:07,872 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 00:02:07,872 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c [2024-01-26 00:02:07,880 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/72a7b1cde/5466613ca5414b579e8eae8eb0493867/FLAG65cf1681e [2024-01-26 00:02:07,893 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/72a7b1cde/5466613ca5414b579e8eae8eb0493867 [2024-01-26 00:02:07,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 00:02:07,896 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 00:02:07,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 00:02:07,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 00:02:07,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 00:02:07,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 12:02:07" (1/1) ... [2024-01-26 00:02:07,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f979d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:07, skipping insertion in model container [2024-01-26 00:02:07,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 12:02:07" (1/1) ... [2024-01-26 00:02:07,922 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 00:02:08,054 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c[2776,2789] [2024-01-26 00:02:08,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 00:02:08,097 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 00:02:08,129 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c[2776,2789] [2024-01-26 00:02:08,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 00:02:08,155 INFO L206 MainTranslator]: Completed translation [2024-01-26 00:02:08,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:08 WrapperNode [2024-01-26 00:02:08,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 00:02:08,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 00:02:08,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 00:02:08,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 00:02:08,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:08" (1/1) ... [2024-01-26 00:02:08,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:08" (1/1) ... [2024-01-26 00:02:08,191 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 212 [2024-01-26 00:02:08,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 00:02:08,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 00:02:08,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 00:02:08,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 00:02:08,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:08" (1/1) ... [2024-01-26 00:02:08,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:08" (1/1) ... [2024-01-26 00:02:08,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:08" (1/1) ... [2024-01-26 00:02:08,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:08" (1/1) ... [2024-01-26 00:02:08,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:08" (1/1) ... [2024-01-26 00:02:08,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:08" (1/1) ... [2024-01-26 00:02:08,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:08" (1/1) ... [2024-01-26 00:02:08,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:08" (1/1) ... [2024-01-26 00:02:08,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 00:02:08,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 00:02:08,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 00:02:08,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 00:02:08,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:08" (1/1) ... [2024-01-26 00:02:08,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 00:02:08,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 00:02:08,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-01-26 00:02:08,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-01-26 00:02:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 00:02:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 00:02:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 00:02:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 00:02:08,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 00:02:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 00:02:08,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 00:02:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 00:02:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 00:02:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 00:02:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-26 00:02:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 00:02:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 00:02:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 00:02:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 00:02:08,319 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 00:02:08,414 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 00:02:08,417 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 00:02:08,815 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 00:02:08,826 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 00:02:08,826 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-26 00:02:08,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 12:02:08 BoogieIcfgContainer [2024-01-26 00:02:08,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 00:02:08,828 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 00:02:08,828 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 00:02:08,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 00:02:08,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 12:02:07" (1/3) ... [2024-01-26 00:02:08,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db0b9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 12:02:08, skipping insertion in model container [2024-01-26 00:02:08,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 12:02:08" (2/3) ... [2024-01-26 00:02:08,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db0b9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 12:02:08, skipping insertion in model container [2024-01-26 00:02:08,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 12:02:08" (3/3) ... [2024-01-26 00:02:08,835 INFO L112 eAbstractionObserver]: Analyzing ICFG array-eq-trans.wvr.c [2024-01-26 00:02:08,841 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 00:02:08,847 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 00:02:08,848 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 00:02:08,848 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 00:02:09,033 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-26 00:02:09,091 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 00:02:09,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 00:02:09,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 00:02:09,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-01-26 00:02:09,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-01-26 00:02:09,176 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 00:02:09,182 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 00:02:09,186 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;@530c70f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 00:02:09,186 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2024-01-26 00:02:10,235 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:02:10,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:02:10,239 INFO L85 PathProgramCache]: Analyzing trace with hash 670083825, now seen corresponding path program 1 times [2024-01-26 00:02:10,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:02:10,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841268018] [2024-01-26 00:02:10,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:02:10,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:02:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:02:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 00:02:10,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:02:10,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841268018] [2024-01-26 00:02:10,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841268018] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 00:02:10,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 00:02:10,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 00:02:10,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804000354] [2024-01-26 00:02:10,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 00:02:10,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 00:02:10,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:02:10,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 00:02:10,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 00:02:10,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:10,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:02:10,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:02:10,626 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 [2024-01-26 00:02:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:12,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 00:02:12,811 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:02:12,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:02:12,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1997562419, now seen corresponding path program 1 times [2024-01-26 00:02:12,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:02:12,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800107024] [2024-01-26 00:02:12,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:02:12,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:02:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:02:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 00:02:13,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:02:13,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800107024] [2024-01-26 00:02:13,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800107024] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 00:02:13,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 00:02:13,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-26 00:02:13,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464801398] [2024-01-26 00:02:13,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 00:02:13,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 00:02:13,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:02:13,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 00:02:13,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 00:02:13,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:13,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:02:13,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:02:13,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:13,337 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 [2024-01-26 00:02:15,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:15,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:15,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 00:02:15,096 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:02:15,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:02:15,096 INFO L85 PathProgramCache]: Analyzing trace with hash -484524554, now seen corresponding path program 1 times [2024-01-26 00:02:15,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:02:15,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638070960] [2024-01-26 00:02:15,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:02:15,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:02:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:02:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 00:02:15,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:02:15,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638070960] [2024-01-26 00:02:15,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638070960] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 00:02:15,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 00:02:15,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-26 00:02:15,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364396776] [2024-01-26 00:02:15,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 00:02:15,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 00:02:15,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:02:15,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 00:02:15,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 00:02:15,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:15,357 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:02:15,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.25) internal successors, (221), 4 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:02:15,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:15,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:15,357 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 [2024-01-26 00:02:17,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:17,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:17,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 00:02:17,991 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:02:17,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:02:18,001 INFO L85 PathProgramCache]: Analyzing trace with hash -767720505, now seen corresponding path program 1 times [2024-01-26 00:02:18,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:02:18,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020070401] [2024-01-26 00:02:18,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:02:18,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:02:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:02:18,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 00:02:18,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:02:18,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020070401] [2024-01-26 00:02:18,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020070401] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 00:02:18,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 00:02:18,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-26 00:02:18,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054330479] [2024-01-26 00:02:18,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 00:02:18,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 00:02:18,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:02:18,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 00:02:18,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 00:02:18,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:18,269 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:02:18,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.75) internal successors, (227), 4 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:02:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:18,270 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 [2024-01-26 00:02:21,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:21,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:21,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:21,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:21,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-26 00:02:21,540 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:02:21,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:02:21,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1813046153, now seen corresponding path program 1 times [2024-01-26 00:02:21,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:02:21,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409915132] [2024-01-26 00:02:21,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:02:21,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:02:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:02:22,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-01-26 00:02:22,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:02:22,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409915132] [2024-01-26 00:02:22,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409915132] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 00:02:22,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 00:02:22,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-01-26 00:02:22,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305771026] [2024-01-26 00:02:22,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 00:02:22,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-26 00:02:22,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:02:22,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-26 00:02:22,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-01-26 00:02:22,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:22,289 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:02:22,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.285714285714285) internal successors, (233), 7 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:02:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:22,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:22,289 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 [2024-01-26 00:02:24,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:24,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:24,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:24,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:24,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:02:24,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-26 00:02:24,270 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:02:24,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:02:24,270 INFO L85 PathProgramCache]: Analyzing trace with hash -2006343447, now seen corresponding path program 1 times [2024-01-26 00:02:24,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:02:24,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761543058] [2024-01-26 00:02:24,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:02:24,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:02:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:02:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-01-26 00:02:24,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:02:24,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761543058] [2024-01-26 00:02:24,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761543058] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 00:02:24,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 00:02:24,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-01-26 00:02:24,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453652788] [2024-01-26 00:02:24,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 00:02:24,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-26 00:02:24,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:02:24,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-26 00:02:24,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-01-26 00:02:24,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:24,691 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:02:24,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.285714285714285) internal successors, (247), 7 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:02:24,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:24,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:24,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:24,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:24,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:02:24,691 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 [2024-01-26 00:02:32,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:02:32,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:02:32,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-26 00:02:32,617 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:02:32,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:02:32,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1800676133, now seen corresponding path program 1 times [2024-01-26 00:02:32,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:02:32,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107877798] [2024-01-26 00:02:32,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:02:32,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:02:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:02:33,006 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-01-26 00:02:33,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:02:33,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107877798] [2024-01-26 00:02:33,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107877798] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 00:02:33,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557582214] [2024-01-26 00:02:33,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:02:33,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 00:02:33,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 00:02:33,063 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 00:02:33,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-01-26 00:02:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:02:33,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 10 conjunts are in the unsatisfiable core [2024-01-26 00:02:33,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 00:02:33,698 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-01-26 00:02:33,698 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 00:02:34,181 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-01-26 00:02:34,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557582214] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 00:02:34,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 00:02:34,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-01-26 00:02:34,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465354380] [2024-01-26 00:02:34,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 00:02:34,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-01-26 00:02:34,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:02:34,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-01-26 00:02:34,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=640, Unknown=0, NotChecked=0, Total=756 [2024-01-26 00:02:34,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:34,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:02:34,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 18.821428571428573) internal successors, (527), 28 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:02:34,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:34,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:34,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:34,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:34,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:02:34,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:02:34,185 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 [2024-01-26 00:02:44,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:44,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:44,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:44,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:44,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:02:44,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:02:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:02:44,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-01-26 00:02:44,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-01-26 00:02:44,935 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:02:44,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:02:44,936 INFO L85 PathProgramCache]: Analyzing trace with hash 413136750, now seen corresponding path program 2 times [2024-01-26 00:02:44,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:02:44,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185680644] [2024-01-26 00:02:44,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:02:44,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:02:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:02:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-01-26 00:02:45,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:02:45,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185680644] [2024-01-26 00:02:45,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185680644] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 00:02:45,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213159835] [2024-01-26 00:02:45,705 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 00:02:45,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 00:02:45,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 00:02:45,709 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 00:02:45,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-01-26 00:02:45,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 00:02:45,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 00:02:45,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 10 conjunts are in the unsatisfiable core [2024-01-26 00:02:45,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 00:02:48,097 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-01-26 00:02:48,097 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 00:02:48,495 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-01-26 00:02:48,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213159835] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 00:02:48,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 00:02:48,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2024-01-26 00:02:48,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293320980] [2024-01-26 00:02:48,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 00:02:48,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-01-26 00:02:48,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:02:48,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-01-26 00:02:48,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=564, Unknown=0, NotChecked=0, Total=702 [2024-01-26 00:02:48,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:48,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:02:48,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 19.40740740740741) internal successors, (524), 27 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:02:48,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:48,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:48,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:48,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:48,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:02:48,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:02:48,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:02:48,499 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 [2024-01-26 00:02:57,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:02:57,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:57,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:57,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:02:57,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:02:57,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:02:57,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:02:57,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-01-26 00:02:57,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-01-26 00:02:57,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 00:02:57,691 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:02:57,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:02:57,691 INFO L85 PathProgramCache]: Analyzing trace with hash -754123292, now seen corresponding path program 3 times [2024-01-26 00:02:57,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:02:57,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998254360] [2024-01-26 00:02:57,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:02:57,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:02:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:02:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-01-26 00:02:59,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:02:59,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998254360] [2024-01-26 00:02:59,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998254360] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 00:02:59,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323355846] [2024-01-26 00:02:59,622 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 00:02:59,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 00:02:59,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 00:02:59,623 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 00:02:59,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-01-26 00:02:59,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-01-26 00:02:59,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 00:02:59,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 55 conjunts are in the unsatisfiable core [2024-01-26 00:02:59,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 00:03:02,007 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-01-26 00:03:02,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 13 [2024-01-26 00:03:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-01-26 00:03:02,030 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 00:03:03,057 INFO L349 Elim1Store]: treesize reduction 26, result has 88.6 percent of original size [2024-01-26 00:03:03,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 214 [2024-01-26 00:03:04,653 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-01-26 00:03:04,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323355846] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 00:03:04,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 00:03:04,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 13] total 44 [2024-01-26 00:03:04,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061691688] [2024-01-26 00:03:04,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 00:03:04,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-01-26 00:03:04,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:03:04,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-01-26 00:03:04,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=1663, Unknown=0, NotChecked=0, Total=1892 [2024-01-26 00:03:04,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:03:04,656 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:03:04,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 11.136363636363637) internal successors, (490), 44 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:03:04,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:03:04,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:03:04,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:03:04,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:03:04,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:03:04,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:03:04,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:03:04,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-01-26 00:03:04,657 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 [2024-01-26 00:03:35,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:03:35,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:03:35,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:03:35,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:03:35,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:03:35,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:03:35,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:03:35,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-01-26 00:03:35,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-01-26 00:03:35,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-01-26 00:03:35,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 00:03:35,716 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:03:35,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:03:35,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1020875355, now seen corresponding path program 1 times [2024-01-26 00:03:35,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:03:35,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351754034] [2024-01-26 00:03:35,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:03:35,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:03:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:03:40,511 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-01-26 00:03:40,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:03:40,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351754034] [2024-01-26 00:03:40,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351754034] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 00:03:40,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585580409] [2024-01-26 00:03:40,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:03:40,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 00:03:40,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 00:03:40,515 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 00:03:40,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-01-26 00:03:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:03:40,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 99 conjunts are in the unsatisfiable core [2024-01-26 00:03:40,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 00:03:46,372 INFO L349 Elim1Store]: treesize reduction 7, result has 78.8 percent of original size [2024-01-26 00:03:46,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 42 [2024-01-26 00:03:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-01-26 00:03:46,443 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 00:03:49,393 INFO L349 Elim1Store]: treesize reduction 8, result has 96.7 percent of original size [2024-01-26 00:03:49,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 83 treesize of output 245 [2024-01-26 00:03:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-01-26 00:03:57,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585580409] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 00:03:57,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 00:03:57,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 53, 37] total 108 [2024-01-26 00:03:57,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547696380] [2024-01-26 00:03:57,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 00:03:57,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-01-26 00:03:57,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:03:57,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-01-26 00:03:57,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=641, Invalid=10915, Unknown=0, NotChecked=0, Total=11556 [2024-01-26 00:03:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:03:57,262 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:03:57,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 6.435185185185185) internal successors, (695), 108 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:03:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:03:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:03:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:03:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:03:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:03:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:03:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:03:57,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-01-26 00:03:57,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-01-26 00:03:57,264 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 [2024-01-26 00:04:40,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:04:40,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:04:40,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:04:40,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:04:40,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:04:40,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:04:40,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:04:40,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-01-26 00:04:40,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-01-26 00:04:40,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-01-26 00:04:40,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-01-26 00:04:40,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-01-26 00:04:40,546 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:04:40,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:04:40,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1426049572, now seen corresponding path program 2 times [2024-01-26 00:04:40,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:04:40,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579924273] [2024-01-26 00:04:40,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:04:40,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:04:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:04:40,882 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-01-26 00:04:40,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:04:40,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579924273] [2024-01-26 00:04:40,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579924273] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 00:04:40,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954533160] [2024-01-26 00:04:40,883 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 00:04:40,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 00:04:40,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 00:04:40,884 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 00:04:40,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-01-26 00:04:41,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 00:04:41,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 00:04:41,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 14 conjunts are in the unsatisfiable core [2024-01-26 00:04:41,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 00:04:41,534 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-01-26 00:04:41,534 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 00:04:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-01-26 00:04:41,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954533160] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 00:04:41,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 00:04:41,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2024-01-26 00:04:41,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117722745] [2024-01-26 00:04:41,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 00:04:41,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-01-26 00:04:41,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:04:41,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-01-26 00:04:41,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1107, Unknown=0, NotChecked=0, Total=1332 [2024-01-26 00:04:41,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:04:41,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:04:41,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 15.486486486486486) internal successors, (573), 37 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:04:41,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:04:41,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:04:41,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:04:41,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:04:41,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:04:41,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:04:41,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:04:41,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-01-26 00:04:41,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-01-26 00:04:41,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-01-26 00:04:41,882 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 [2024-01-26 00:05:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:05:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:05:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:05:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:05:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:05:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:05:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:05:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-01-26 00:05:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-01-26 00:05:17,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-01-26 00:05:17,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-01-26 00:05:17,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-01-26 00:05:18,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 00:05:18,031 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:05:18,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:05:18,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1232735489, now seen corresponding path program 3 times [2024-01-26 00:05:18,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:05:18,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286472926] [2024-01-26 00:05:18,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:05:18,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:05:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:05:24,254 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-01-26 00:05:24,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:05:24,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286472926] [2024-01-26 00:05:24,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286472926] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 00:05:24,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394468564] [2024-01-26 00:05:24,255 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 00:05:24,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 00:05:24,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 00:05:24,257 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 00:05:24,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-01-26 00:05:24,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-01-26 00:05:24,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 00:05:24,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 66 conjunts are in the unsatisfiable core [2024-01-26 00:05:24,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 00:05:27,314 INFO L349 Elim1Store]: treesize reduction 3, result has 91.9 percent of original size [2024-01-26 00:05:27,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 50 [2024-01-26 00:05:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-01-26 00:05:27,392 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 00:05:39,445 INFO L349 Elim1Store]: treesize reduction 4, result has 98.3 percent of original size [2024-01-26 00:05:39,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 246 [2024-01-26 00:05:45,649 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-01-26 00:05:45,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394468564] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 00:05:45,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 00:05:45,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 35, 30] total 87 [2024-01-26 00:05:45,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232273309] [2024-01-26 00:05:45,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 00:05:45,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-01-26 00:05:45,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:05:45,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-01-26 00:05:45,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=7086, Unknown=4, NotChecked=0, Total=7482 [2024-01-26 00:05:45,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:05:45,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:05:45,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 8.701149425287356) internal successors, (757), 87 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:05:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:05:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:05:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:05:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:05:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:05:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:05:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:05:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-01-26 00:05:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-01-26 00:05:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-01-26 00:05:45,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-01-26 00:05:45,673 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 [2024-01-26 00:08:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:08:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:08:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:08:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:08:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:08:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:08:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:08:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-01-26 00:08:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-01-26 00:08:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-01-26 00:08:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-01-26 00:08:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-01-26 00:08:19,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-01-26 00:08:19,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-01-26 00:08:19,306 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:08:19,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:08:19,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1559724015, now seen corresponding path program 4 times [2024-01-26 00:08:19,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:08:19,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320568981] [2024-01-26 00:08:19,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:08:19,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:08:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:08:19,858 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-01-26 00:08:19,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:08:19,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320568981] [2024-01-26 00:08:19,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320568981] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 00:08:19,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550303627] [2024-01-26 00:08:19,858 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 00:08:19,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 00:08:19,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 00:08:19,859 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 00:08:19,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-01-26 00:08:20,074 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 00:08:20,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 00:08:20,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 14 conjunts are in the unsatisfiable core [2024-01-26 00:08:20,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 00:08:20,712 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-01-26 00:08:20,713 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 00:08:21,100 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-01-26 00:08:21,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550303627] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 00:08:21,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 00:08:21,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2024-01-26 00:08:21,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166657383] [2024-01-26 00:08:21,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 00:08:21,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-01-26 00:08:21,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:08:21,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-01-26 00:08:21,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1107, Unknown=0, NotChecked=0, Total=1332 [2024-01-26 00:08:21,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:08:21,103 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:08:21,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 15.45945945945946) internal successors, (572), 37 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:08:21,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:08:21,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:08:21,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:08:21,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:08:21,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:08:21,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:08:21,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:08:21,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-01-26 00:08:21,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-01-26 00:08:21,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-01-26 00:08:21,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-01-26 00:08:21,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-01-26 00:08:21,104 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 [2024-01-26 00:11:18,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:11:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:11:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:11:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:11:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:11:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:11:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:11:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-01-26 00:11:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-01-26 00:11:18,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-01-26 00:11:18,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-01-26 00:11:18,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-01-26 00:11:18,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-01-26 00:11:18,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-01-26 00:11:18,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 00:11:18,471 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:11:18,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:11:18,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1682319579, now seen corresponding path program 5 times [2024-01-26 00:11:18,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:11:18,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537465098] [2024-01-26 00:11:18,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:11:18,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:11:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:11:20,341 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-01-26 00:11:20,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:11:20,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537465098] [2024-01-26 00:11:20,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537465098] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 00:11:20,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321141808] [2024-01-26 00:11:20,341 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-01-26 00:11:20,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 00:11:20,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 00:11:20,342 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 00:11:20,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-01-26 00:11:20,677 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-01-26 00:11:20,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 00:11:20,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 67 conjunts are in the unsatisfiable core [2024-01-26 00:11:20,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 00:11:22,521 INFO L349 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2024-01-26 00:11:22,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 13 [2024-01-26 00:11:22,549 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-01-26 00:11:22,549 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 00:11:23,348 INFO L349 Elim1Store]: treesize reduction 26, result has 89.1 percent of original size [2024-01-26 00:11:23,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 224 [2024-01-26 00:11:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-01-26 00:11:24,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321141808] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 00:11:24,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 00:11:24,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 26, 19] total 68 [2024-01-26 00:11:24,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591939667] [2024-01-26 00:11:24,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 00:11:24,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-01-26 00:11:24,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 00:11:24,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-01-26 00:11:24,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=4244, Unknown=0, NotChecked=0, Total=4556 [2024-01-26 00:11:24,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:11:24,658 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 00:11:24,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 10.191176470588236) internal successors, (693), 68 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 00:11:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:11:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:11:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:11:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:11:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:11:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:11:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:11:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-01-26 00:11:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-01-26 00:11:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-01-26 00:11:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-01-26 00:11:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-01-26 00:11:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-01-26 00:11:24,659 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 [2024-01-26 00:15:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 00:15:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:15:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:15:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 00:15:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:15:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-01-26 00:15:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-01-26 00:15:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-01-26 00:15:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-01-26 00:15:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-01-26 00:15:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-01-26 00:15:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-01-26 00:15:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-01-26 00:15:00,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-01-26 00:15:00,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-01-26 00:15:00,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-01-26 00:15:00,605 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 00:15:00,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 00:15:00,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1154773692, now seen corresponding path program 6 times [2024-01-26 00:15:00,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 00:15:00,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540989132] [2024-01-26 00:15:00,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 00:15:00,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 00:15:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 00:15:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-01-26 00:15:08,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 00:15:08,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540989132] [2024-01-26 00:15:08,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540989132] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 00:15:08,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348444578] [2024-01-26 00:15:08,357 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-01-26 00:15:08,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 00:15:08,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 00:15:08,360 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-01-26 00:15:08,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-01-26 00:15:08,613 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-01-26 00:15:08,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 00:15:08,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 108 conjunts are in the unsatisfiable core [2024-01-26 00:15:08,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 00:15:11,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-01-26 00:15:11,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-01-26 00:15:11,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-01-26 00:15:12,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-01-26 00:15:15,337 INFO L349 Elim1Store]: treesize reduction 6, result has 83.8 percent of original size [2024-01-26 00:15:15,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 47 [2024-01-26 00:15:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-01-26 00:15:15,426 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 00:15:56,039 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 00:15:56,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 255 treesize of output 171 [2024-01-26 00:15:56,369 INFO L349 Elim1Store]: treesize reduction 8, result has 96.5 percent of original size [2024-01-26 00:15:56,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60053 treesize of output 55377 [2024-01-26 00:15:57,136 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 00:15:57,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 6677 treesize of output 6421 [2024-01-26 00:15:57,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 00:15:57,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 6229 treesize of output 4629 [2024-01-26 00:15:58,101 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-01-26 00:15:58,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 4437 treesize of output 3733 Received shutdown request... [2024-01-26 00:16:50,599 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 00:16:50,602 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 00:16:50,602 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 00:16:50,610 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 00:16:50,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-01-26 00:16:50,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-01-26 00:16:50,818 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 352 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-72-5-4-6-3-5-3-4-3-3-4-4-3-3-4-3-4-2-3-2-2-2-2-1 context. [2024-01-26 00:16:50,922 INFO L445 BasicCegarLoop]: Path program histogram: [6, 3, 1, 1, 1, 1, 1, 1] [2024-01-26 00:16:50,924 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-01-26 00:16:50,926 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 00:16:50,926 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 00:16:50,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 12:16:50 BasicIcfg [2024-01-26 00:16:50,928 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 00:16:50,928 INFO L158 Benchmark]: Toolchain (without parser) took 883032.08ms. Allocated memory was 284.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 230.1MB in the beginning and 292.6MB in the end (delta: -62.4MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2024-01-26 00:16:50,930 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 192.9MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 00:16:50,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.90ms. Allocated memory is still 284.2MB. Free memory was 230.1MB in the beginning and 217.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-01-26 00:16:50,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.82ms. Allocated memory is still 284.2MB. Free memory was 217.6MB in the beginning and 215.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 00:16:50,933 INFO L158 Benchmark]: Boogie Preprocessor took 28.73ms. Allocated memory is still 284.2MB. Free memory was 215.5MB in the beginning and 213.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 00:16:50,933 INFO L158 Benchmark]: RCFGBuilder took 604.85ms. Allocated memory is still 284.2MB. Free memory was 213.4MB in the beginning and 188.7MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2024-01-26 00:16:50,938 INFO L158 Benchmark]: TraceAbstraction took 882099.67ms. Allocated memory was 284.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 187.7MB in the beginning and 292.6MB in the end (delta: -104.9MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-01-26 00:16:50,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 192.9MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 260.90ms. Allocated memory is still 284.2MB. Free memory was 230.1MB in the beginning and 217.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.82ms. Allocated memory is still 284.2MB. Free memory was 217.6MB in the beginning and 215.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.73ms. Allocated memory is still 284.2MB. Free memory was 215.5MB in the beginning and 213.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 604.85ms. Allocated memory is still 284.2MB. Free memory was 213.4MB in the beginning and 188.7MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 882099.67ms. Allocated memory was 284.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 187.7MB in the beginning and 292.6MB in the end (delta: -104.9MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 109055, independent: 103165, independent conditional: 103165, independent unconditional: 0, dependent: 5890, dependent conditional: 5890, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 103165, independent: 103165, independent conditional: 103165, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 103165, independent: 103165, independent conditional: 103165, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 103165, independent: 103165, independent conditional: 0, independent unconditional: 103165, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 103165, independent: 103165, independent conditional: 0, independent unconditional: 103165, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 103165, independent: 103165, independent conditional: 0, independent unconditional: 103165, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 103165, independent: 103165, independent conditional: 0, independent unconditional: 103165, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 103165, independent: 103165, independent conditional: 0, independent unconditional: 103165, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 103165, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 103165, unknown conditional: 0, unknown unconditional: 103165] , Statistics on independence cache: Total cache size (in pairs): 103165, Positive cache size: 103165, Positive conditional cache size: 0, Positive unconditional cache size: 103165, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 5890 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 60, RedundantProofs: 9, ProvenStates: 4301, Times there's more than one choice: 3351, Avg number of choices: 8.198325970704488 - StatisticsResult: Reduction benchmarks 0.3s Time before loop, 215.4s Time in loop, 215.7s Time in total, Has Loop: true, Protected Variables: [write~init~int_#value, ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_main_#t~ret15#1.offset, ULTIMATE.start_create_fresh_int_array_~i~0#1, ~B~0.offset, old(~B~0.offset), thread3Thread1of1ForFork1_#t~mem7, thread3Thread1of1ForFork1_#t~mem8, thread2Thread1of1ForFork0_thidvar0, old(thread2Thread1of1ForFork0_thidvar0), thread2Thread1of1ForFork0_thidvar1, old(thread2Thread1of1ForFork0_thidvar1), thread2Thread1of1ForFork0_thidvar2, old(thread2Thread1of1ForFork0_thidvar2), thread1Thread1of1ForFork2_thidvar0, old(thread1Thread1of1ForFork2_thidvar0), thread1Thread1of1ForFork2_thidvar1, old(thread1Thread1of1ForFork2_thidvar1), write~int_#ptr.base, #Ultimate.allocOnHeap_#res.offset, thread3Thread1of1ForFork1_#in~_argptr.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~mem23#1, ULTIMATE.start_main_#t~mem24#1, ULTIMATE.start_main_#t~mem25#1, ULTIMATE.start_main_#t~mem26#1, ULTIMATE.start_main_#t~mem29#1, ULTIMATE.start_main_#t~mem30#1, ULTIMATE.start_main_#t~mem33#1, ULTIMATE.start_main_#t~mem34#1, ULTIMATE.start_main_#res#1, thread2Thread1of1ForFork0_#res.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, thread3Thread1of1ForFork1_~_argptr.base, read~int_#ptr.base, thread1_#res.offset, thread2_#res.offset, thread3_#res.offset, ULTIMATE.start_#t~ret40#1, thread2Thread1of1ForFork0_~_argptr.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.base, ULTIMATE.start_create_fresh_int_array_#t~nondet39#1, thread2Thread1of1ForFork0_#t~mem4, thread2Thread1of1ForFork0_#t~mem5, ULTIMATE.start_main_#t~short27#1, ULTIMATE.start_main_#t~short28#1, ULTIMATE.start_main_#t~short31#1, thread2Thread1of1ForFork0_#in~_argptr.base, ULTIMATE.start_main_#t~short32#1, ULTIMATE.start_main_#t~short35#1, ULTIMATE.start_main_#t~short36#1, ULTIMATE.start_main_~#t2~0#1.offset, #Ultimate.allocOnStack_~size, thread1Thread1of1ForFork2_#res.offset, thread1_~_argptr.offset, thread2_~_argptr.offset, thread3_~_argptr.offset, read~int_#sizeOfReadType, write~init~int_#sizeOfWrittenType, thread1_#t~mem1, thread1_#t~mem2, thread2_#t~mem4, thread2_#t~mem5, thread3_#t~mem7, thread3_#t~mem8, thread1_#in~_argptr.base, thread2_#in~_argptr.base, thread3_#in~_argptr.base, ~B~0.base, old(~B~0.base), thread2Thread1of1ForFork0_~_argptr.base, ~An~0, old(~An~0), ~Bn~0, old(~Bn~0), ~Cn~0, old(~Cn~0), ULTIMATE.start_main_~#t1~0#1.offset, thread1Thread1of1ForFork2_~_argptr.offset, thread3Thread1of1ForFork1_#res.base, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~pre18#1, ULTIMATE.start_main_#t~pre20#1, thread1Thread1of1ForFork2_#t~mem1, thread1Thread1of1ForFork2_#t~mem2, #Ultimate.allocOnStack_#res.offset, ULTIMATE.dealloc_~addr.offset, thread1Thread1of1ForFork2_#in~_argptr.base, write~int_#value, ~A~0.offset, old(~A~0.offset), write~init~int_#ptr.offset, thread1_~_argptr.base, thread2_~_argptr.base, thread3_~_argptr.base, ULTIMATE.dealloc_~addr.base, thread3Thread1of1ForFork1_#in~_argptr.offset, ULTIMATE.start_assume_abort_if_not_~cond#1, #pthreadsForks, old(#pthreadsForks), ULTIMATE.start_main_#t~ret15#1.base, thread3Thread1of1ForFork1_#t~post9, #Ultimate.allocOnHeap_#res.base, thread1Thread1of1ForFork2_~_argptr.base, #valid, old(#valid), ULTIMATE.start_main_#t~ret14#1.base, read~int_#value, #Ultimate.allocInit_~size, thread2Thread1of1ForFork0_#res.base, ULTIMATE.start_main_#t~ret13#1.base, ~C~0.offset, old(~C~0.offset), write~init~int_#ptr.base, thread2Thread1of1ForFork0_#in~_argptr.offset, thread1_#res.base, thread2_#res.base, thread3_#res.base, ULTIMATE.start_assume_abort_if_not_#in~cond#1, #Ultimate.allocInit_ptrBase, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#t~nondet19#1, ULTIMATE.start_main_#t~nondet21#1, ULTIMATE.start_main_~#t1~0#1.base, thread2Thread1of1ForFork0_#t~post6, #length, old(#length), ULTIMATE.start_main_~#t2~0#1.base, write~int_#sizeOfWrittenType, ~A~0.base, old(~A~0.base), thread1_#in~_argptr.offset, thread2_#in~_argptr.offset, thread3_#in~_argptr.offset, ULTIMATE.start_main_~#t3~0#1.base, thread3Thread1of1ForFork1_thidvar0, old(thread3Thread1of1ForFork1_thidvar0), thread3Thread1of1ForFork1_thidvar1, old(thread3Thread1of1ForFork1_thidvar1), thread3Thread1of1ForFork1_thidvar2, old(thread3Thread1of1ForFork1_thidvar2), thread3Thread1of1ForFork1_thidvar3, old(thread3Thread1of1ForFork1_thidvar3), #StackHeapBarrier, old(#StackHeapBarrier), thread1Thread1of1ForFork2_#res.base, ULTIMATE.start_create_fresh_int_array_#t~post38#1, thread1_#t~post3, thread2_#t~post6, thread3_#t~post9, thread1Thread1of1ForFork2_#in~_argptr.offset, write~int_#ptr.offset, #Ultimate.allocOnHeap_~size, thread3Thread1of1ForFork1_#res.offset, #memory_int, old(#memory_int), thread1Thread1of1ForFork2_#t~post3, ~C~0.base, old(~C~0.base), #Ultimate.allocOnStack_#res.base, ULTIMATE.start_main_#t~ret13#1.offset, ULTIMATE.start_create_fresh_int_array_#t~malloc37#1.offset, ~i_AB~0, old(~i_AB~0), ~i_AC~0, old(~i_AC~0), ~i_BC~0, old(~i_BC~0), ULTIMATE.start_main_#t~ret14#1.offset, thread3Thread1of1ForFork1_~_argptr.offset, read~int_#ptr.offset, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset], Protected Variables before encountering a loop: [] - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 352 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-72-5-4-6-3-5-3-4-3-3-4-4-3-3-4-3-4-2-3-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 333 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 881.8s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 696.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 369, 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: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 69.6s InterpolantComputationTime, 6328 NumberOfCodeBlocks, 6258 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 8781 ConstructedInterpolants, 239 QuantifiedInterpolants, 75122 SizeOfPredicates, 226 NumberOfNonLiveVariables, 4835 ConjunctsInSsa, 335 ConjunctsInUnsatCore, 30 InterpolantComputations, 6 PerfectInterpolantSequences, 1293/1669 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