/usr/bin/java -Xmx7000000000 -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/unroll-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 07:41:40,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 07:41:40,678 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 07:41:40,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 07:41:40,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 07:41:40,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 07:41:40,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 07:41:40,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 07:41:40,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 07:41:40,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 07:41:40,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 07:41:40,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 07:41:40,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 07:41:40,713 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 07:41:40,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 07:41:40,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 07:41:40,714 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 07:41:40,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 07:41:40,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 07:41:40,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 07:41:40,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 07:41:40,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 07:41:40,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 07:41:40,715 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 07:41:40,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 07:41:40,715 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 07:41:40,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 07:41:40,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 07:41:40,716 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 07:41:40,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 07:41:40,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 07:41:40,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 07:41:40,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 07:41:40,717 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 07:41:40,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 07:41:40,717 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 07:41:40,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 07:41:40,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 07:41:40,718 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 07:41:40,718 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 07:41:40,718 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 07:41:40,718 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-09-07 07:41:40,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 07:41:40,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 07:41:40,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 07:41:40,925 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 07:41:40,925 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 07:41:40,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-2.wvr.c [2023-09-07 07:41:41,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 07:41:42,005 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 07:41:42,005 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-2.wvr.c [2023-09-07 07:41:42,010 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f7071a2b/5a681e98843240d6b1ca68720a079716/FLAG4c2b42639 [2023-09-07 07:41:42,018 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f7071a2b/5a681e98843240d6b1ca68720a079716 [2023-09-07 07:41:42,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 07:41:42,020 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 07:41:42,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 07:41:42,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 07:41:42,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 07:41:42,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 07:41:42" (1/1) ... [2023-09-07 07:41:42,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409dd0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42, skipping insertion in model container [2023-09-07 07:41:42,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 07:41:42" (1/1) ... [2023-09-07 07:41:42,042 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 07:41:42,167 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-2.wvr.c[2428,2441] [2023-09-07 07:41:42,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 07:41:42,183 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 07:41:42,199 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-2.wvr.c[2428,2441] [2023-09-07 07:41:42,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 07:41:42,210 INFO L206 MainTranslator]: Completed translation [2023-09-07 07:41:42,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42 WrapperNode [2023-09-07 07:41:42,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 07:41:42,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 07:41:42,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 07:41:42,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 07:41:42,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42" (1/1) ... [2023-09-07 07:41:42,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42" (1/1) ... [2023-09-07 07:41:42,242 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 138 [2023-09-07 07:41:42,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 07:41:42,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 07:41:42,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 07:41:42,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 07:41:42,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42" (1/1) ... [2023-09-07 07:41:42,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42" (1/1) ... [2023-09-07 07:41:42,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42" (1/1) ... [2023-09-07 07:41:42,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42" (1/1) ... [2023-09-07 07:41:42,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42" (1/1) ... [2023-09-07 07:41:42,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42" (1/1) ... [2023-09-07 07:41:42,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42" (1/1) ... [2023-09-07 07:41:42,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42" (1/1) ... [2023-09-07 07:41:42,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 07:41:42,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 07:41:42,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 07:41:42,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 07:41:42,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42" (1/1) ... [2023-09-07 07:41:42,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 07:41:42,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:41:42,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-07 07:41:42,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-07 07:41:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 07:41:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-07 07:41:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-07 07:41:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-07 07:41:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-07 07:41:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 07:41:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 07:41:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 07:41:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-07 07:41:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 07:41:42,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 07:41:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 07:41:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 07:41:42,341 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 07:41:42,416 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 07:41:42,418 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 07:41:42,599 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 07:41:42,604 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 07:41:42,604 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-09-07 07:41:42,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 07:41:42 BoogieIcfgContainer [2023-09-07 07:41:42,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 07:41:42,607 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 07:41:42,607 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 07:41:42,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 07:41:42,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 07:41:42" (1/3) ... [2023-09-07 07:41:42,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444f3b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 07:41:42, skipping insertion in model container [2023-09-07 07:41:42,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:41:42" (2/3) ... [2023-09-07 07:41:42,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444f3b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 07:41:42, skipping insertion in model container [2023-09-07 07:41:42,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 07:41:42" (3/3) ... [2023-09-07 07:41:42,611 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2023-09-07 07:41:42,616 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 07:41:42,622 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 07:41:42,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 07:41:42,622 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 07:41:42,677 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-07 07:41:42,705 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 07:41:42,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 07:41:42,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:41:42,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 07:41:42,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-07 07:41:42,735 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 07:41:42,740 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 07:41:42,744 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;@46907474, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 07:41:42,744 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2023-09-07 07:41:42,993 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:41:42,997 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:41:42,997 INFO L85 PathProgramCache]: Analyzing trace with hash -408305908, now seen corresponding path program 1 times [2023-09-07 07:41:43,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:41:43,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7240117] [2023-09-07 07:41:43,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:41:43,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:41:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:41:43,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:41:43,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:41:43,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7240117] [2023-09-07 07:41:43,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7240117] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 07:41:43,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 07:41:43,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 07:41:43,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196448484] [2023-09-07 07:41:43,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:41:43,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-07 07:41:43,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:41:43,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-07 07:41:43,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-07 07:41:43,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:43,234 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:41:43,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.5) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 07:41:43,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:41:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:43,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 07:41:43,391 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:41:43,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:41:43,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1289099545, now seen corresponding path program 1 times [2023-09-07 07:41:43,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:41:43,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102256165] [2023-09-07 07:41:43,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:41:43,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:41:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:41:43,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 07:41:43,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:41:43,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102256165] [2023-09-07 07:41:43,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102256165] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 07:41:43,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 07:41:43,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-07 07:41:43,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997452892] [2023-09-07 07:41:43,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:41:43,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-07 07:41:43,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:41:43,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-07 07:41:43,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-07 07:41:43,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:43,711 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:41:43,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 07:41:43,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:43,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:41:43,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:43,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:41:43,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 07:41:43,863 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:41:43,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:41:43,864 INFO L85 PathProgramCache]: Analyzing trace with hash 715283043, now seen corresponding path program 1 times [2023-09-07 07:41:43,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:41:43,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23536553] [2023-09-07 07:41:43,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:41:43,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:41:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:41:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 07:41:44,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:41:44,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23536553] [2023-09-07 07:41:44,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23536553] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:41:44,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063778421] [2023-09-07 07:41:44,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:41:44,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:41:44,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:41:44,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 07:41:44,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-07 07:41:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:41:44,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 6 conjunts are in the unsatisfiable core [2023-09-07 07:41:44,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:41:44,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 07:41:44,393 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:41:44,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 07:41:44,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063778421] provided 1 perfect and 1 imperfect interpolant sequences [2023-09-07 07:41:44,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-09-07 07:41:44,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7 [2023-09-07 07:41:44,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475919220] [2023-09-07 07:41:44,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:41:44,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-07 07:41:44,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:41:44,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-07 07:41:44,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-09-07 07:41:44,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:44,456 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:41:44,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 07:41:44,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:44,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:41:44,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:41:44,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:44,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:41:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:41:44,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-07 07:41:44,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-09-07 07:41:44,744 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:41:44,745 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:41:44,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1907640473, now seen corresponding path program 1 times [2023-09-07 07:41:44,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:41:44,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272641306] [2023-09-07 07:41:44,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:41:44,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:41:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:41:44,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-07 07:41:44,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:41:44,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272641306] [2023-09-07 07:41:44,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272641306] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:41:44,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141116393] [2023-09-07 07:41:44,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:41:44,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:41:44,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:41:44,951 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 07:41:44,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-07 07:41:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:41:45,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 33 conjunts are in the unsatisfiable core [2023-09-07 07:41:45,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:41:45,601 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-09-07 07:41:45,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:41:45,662 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:41:46,029 INFO L322 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-09-07 07:41:46,030 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2023-09-07 07:41:46,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:41:46,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141116393] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:41:46,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:41:46,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18, 18] total 33 [2023-09-07 07:41:46,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899814926] [2023-09-07 07:41:46,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:41:46,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-09-07 07:41:46,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:41:46,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-09-07 07:41:46,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=951, Unknown=0, NotChecked=0, Total=1056 [2023-09-07 07:41:46,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:46,726 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:41:46,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 10.121212121212121) internal successors, (334), 33 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 07:41:46,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:46,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:41:46,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:41:46,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:41:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:41:47,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:41:47,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:41:47,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-07 07:41:47,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:41:47,918 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:41:47,919 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:41:47,919 INFO L85 PathProgramCache]: Analyzing trace with hash -162773429, now seen corresponding path program 2 times [2023-09-07 07:41:47,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:41:47,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282985431] [2023-09-07 07:41:47,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:41:47,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:41:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:41:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:41:50,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:41:50,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282985431] [2023-09-07 07:41:50,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282985431] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:41:50,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196501070] [2023-09-07 07:41:50,116 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 07:41:50,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:41:50,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:41:50,117 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 07:41:50,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-07 07:41:50,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 07:41:50,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:41:50,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 53 conjunts are in the unsatisfiable core [2023-09-07 07:41:50,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:41:51,278 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:41:51,278 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 26 [2023-09-07 07:41:51,293 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:41:51,293 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:41:51,797 INFO L322 Elim1Store]: treesize reduction 10, result has 84.6 percent of original size [2023-09-07 07:41:51,797 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 82 [2023-09-07 07:41:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:41:52,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196501070] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:41:52,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:41:52,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 32, 26] total 65 [2023-09-07 07:41:52,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151064873] [2023-09-07 07:41:52,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:41:52,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-09-07 07:41:52,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:41:52,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-09-07 07:41:52,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=3609, Unknown=0, NotChecked=0, Total=4160 [2023-09-07 07:41:52,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:52,411 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:41:52,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 5.276923076923077) internal successors, (343), 65 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 07:41:52,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:52,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:41:52,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:41:52,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:41:52,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:41:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:41:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:41:54,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:41:54,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 07:41:54,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-09-07 07:41:54,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:41:54,392 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:41:54,393 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:41:54,393 INFO L85 PathProgramCache]: Analyzing trace with hash -296069379, now seen corresponding path program 3 times [2023-09-07 07:41:54,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:41:54,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381034562] [2023-09-07 07:41:54,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:41:54,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:41:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:41:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-09-07 07:41:54,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:41:54,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381034562] [2023-09-07 07:41:54,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381034562] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:41:54,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039475627] [2023-09-07 07:41:54,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 07:41:54,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:41:54,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:41:54,754 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 07:41:54,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-07 07:41:55,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-09-07 07:41:55,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:41:55,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 22 conjunts are in the unsatisfiable core [2023-09-07 07:41:55,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:41:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-07 07:41:55,340 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:41:55,630 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-09-07 07:41:55,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039475627] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:41:55,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:41:55,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 30 [2023-09-07 07:41:55,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987929015] [2023-09-07 07:41:55,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:41:55,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-09-07 07:41:55,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:41:55,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-09-07 07:41:55,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=770, Unknown=0, NotChecked=0, Total=870 [2023-09-07 07:41:55,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:55,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:41:55,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 8.7) internal successors, (261), 30 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 07:41:55,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:55,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:41:55,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:41:55,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:41:55,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 07:41:55,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:41:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:41:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:41:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:41:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:41:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 07:41:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 07:41:59,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-09-07 07:41:59,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:41:59,448 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:41:59,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:41:59,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1771952759, now seen corresponding path program 4 times [2023-09-07 07:41:59,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:41:59,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602998488] [2023-09-07 07:41:59,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:41:59,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:41:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:42:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:42:12,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:42:12,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602998488] [2023-09-07 07:42:12,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602998488] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:42:12,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924251607] [2023-09-07 07:42:12,398 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 07:42:12,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:42:12,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:42:12,399 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 07:42:12,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-07 07:42:12,524 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 07:42:12,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:42:12,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 77 conjunts are in the unsatisfiable core [2023-09-07 07:42:12,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:42:15,174 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:42:15,175 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 82 [2023-09-07 07:42:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:42:15,218 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:42:17,012 INFO L322 Elim1Store]: treesize reduction 20, result has 92.7 percent of original size [2023-09-07 07:42:17,013 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 92 treesize of output 312 [2023-09-07 07:42:18,758 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:42:18,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924251607] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:42:18,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:42:18,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 39, 38] total 122 [2023-09-07 07:42:18,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920216539] [2023-09-07 07:42:18,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:42:18,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2023-09-07 07:42:18,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:42:18,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2023-09-07 07:42:18,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1162, Invalid=13600, Unknown=0, NotChecked=0, Total=14762 [2023-09-07 07:42:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:42:18,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:42:18,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 4.959016393442623) internal successors, (605), 122 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 07:42:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:42:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:42:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:42:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:42:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 07:42:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 07:42:18,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:42:26,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:42:26,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:42:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:42:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:42:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 07:42:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 07:42:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-09-07 07:42:26,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-09-07 07:42:27,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:42:27,033 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:42:27,033 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:42:27,033 INFO L85 PathProgramCache]: Analyzing trace with hash -461515625, now seen corresponding path program 5 times [2023-09-07 07:42:27,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:42:27,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616293808] [2023-09-07 07:42:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:42:27,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:42:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:42:27,464 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-09-07 07:42:27,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:42:27,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616293808] [2023-09-07 07:42:27,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616293808] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:42:27,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644701955] [2023-09-07 07:42:27,465 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 07:42:27,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:42:27,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:42:27,466 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 07:42:27,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-09-07 07:42:27,702 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-09-07 07:42:27,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:42:27,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 42 conjunts are in the unsatisfiable core [2023-09-07 07:42:27,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:42:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-09-07 07:42:28,069 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:42:28,610 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-09-07 07:42:28,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644701955] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:42:28,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:42:28,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21, 21] total 46 [2023-09-07 07:42:28,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833582796] [2023-09-07 07:42:28,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:42:28,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-09-07 07:42:28,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:42:28,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-09-07 07:42:28,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1902, Unknown=0, NotChecked=0, Total=2070 [2023-09-07 07:42:28,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:42:28,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:42:28,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 7.717391304347826) internal successors, (355), 46 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 07:42:28,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:42:28,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:42:28,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:42:28,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:42:28,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 07:42:28,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 07:42:28,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-09-07 07:42:28,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:42:34,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:42:34,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:42:34,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:42:34,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:42:34,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 07:42:34,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 07:42:34,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-09-07 07:42:34,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-09-07 07:42:34,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-09-07 07:42:35,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:42:35,017 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:42:35,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:42:35,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1284143407, now seen corresponding path program 6 times [2023-09-07 07:42:35,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:42:35,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961488691] [2023-09-07 07:42:35,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:42:35,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:42:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:42:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2023-09-07 07:42:35,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:42:35,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961488691] [2023-09-07 07:42:35,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961488691] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:42:35,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233061168] [2023-09-07 07:42:35,564 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-09-07 07:42:35,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:42:35,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:42:35,565 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 07:42:35,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-09-07 07:42:36,366 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-09-07 07:42:36,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:42:36,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 54 conjunts are in the unsatisfiable core [2023-09-07 07:42:36,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:42:36,907 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 331 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-09-07 07:42:36,907 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:42:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 331 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-09-07 07:42:37,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233061168] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:42:37,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:42:37,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 29, 29] total 62 [2023-09-07 07:42:37,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57412739] [2023-09-07 07:42:37,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:42:37,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-09-07 07:42:37,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:42:37,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-09-07 07:42:37,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=3533, Unknown=0, NotChecked=0, Total=3782 [2023-09-07 07:42:37,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:42:37,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:42:37,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 7.241935483870968) internal successors, (449), 62 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 07:42:37,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:42:37,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:42:37,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:42:37,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:42:37,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 07:42:37,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 07:42:37,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-09-07 07:42:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-09-07 07:42:37,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:43:08,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:43:08,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:43:08,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:43:08,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:43:08,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 07:43:08,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 07:43:08,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-09-07 07:43:08,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-09-07 07:43:08,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2023-09-07 07:43:08,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-09-07 07:43:08,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-09-07 07:43:08,546 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:43:08,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:43:08,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1212060563, now seen corresponding path program 7 times [2023-09-07 07:43:08,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:43:08,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344144831] [2023-09-07 07:43:08,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:43:08,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:43:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:43:09,865 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 0 proven. 810 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-09-07 07:43:09,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:43:09,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344144831] [2023-09-07 07:43:09,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344144831] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:43:09,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312927163] [2023-09-07 07:43:09,865 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-09-07 07:43:09,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:43:09,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:43:09,866 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 07:43:09,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-09-07 07:43:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:43:10,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 70 conjunts are in the unsatisfiable core [2023-09-07 07:43:10,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:43:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 0 proven. 777 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-09-07 07:43:11,413 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:43:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 0 proven. 777 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-09-07 07:43:13,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312927163] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:43:13,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:43:13,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 37, 37] total 89 [2023-09-07 07:43:13,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44289968] [2023-09-07 07:43:13,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:43:13,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2023-09-07 07:43:13,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:43:13,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2023-09-07 07:43:13,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=7364, Unknown=0, NotChecked=0, Total=7832 [2023-09-07 07:43:13,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:43:13,115 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:43:13,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 6.651685393258427) internal successors, (592), 89 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 07:43:13,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:43:13,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:43:13,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:43:13,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:43:13,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 07:43:13,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 07:43:13,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-09-07 07:43:13,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-09-07 07:43:13,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2023-09-07 07:43:13,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 07:46:01,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:46:01,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:46:01,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:46:01,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:46:01,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-09-07 07:46:01,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-09-07 07:46:01,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-09-07 07:46:01,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-09-07 07:46:01,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2023-09-07 07:46:01,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2023-09-07 07:46:01,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-09-07 07:46:01,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-09-07 07:46:01,639 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:46:01,639 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:46:01,639 INFO L85 PathProgramCache]: Analyzing trace with hash -2040358217, now seen corresponding path program 8 times [2023-09-07 07:46:01,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:46:01,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645185502] [2023-09-07 07:46:01,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:46:01,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:46:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:46:04,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1866 backedges. 0 proven. 1691 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-09-07 07:46:04,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:46:04,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645185502] [2023-09-07 07:46:04,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645185502] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:46:04,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116622572] [2023-09-07 07:46:04,202 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 07:46:04,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:46:04,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:46:04,203 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 07:46:04,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-09-07 07:46:06,184 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 07:46:06,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:46:06,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 86 conjunts are in the unsatisfiable core [2023-09-07 07:46:06,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:46:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1866 backedges. 0 proven. 1511 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2023-09-07 07:46:07,519 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:46:10,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1866 backedges. 0 proven. 1511 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2023-09-07 07:46:10,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116622572] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:46:10,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:46:10,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 45, 45] total 120 [2023-09-07 07:46:10,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728393452] [2023-09-07 07:46:10,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:46:10,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2023-09-07 07:46:10,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:46:10,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2023-09-07 07:46:10,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=792, Invalid=13488, Unknown=0, NotChecked=0, Total=14280 [2023-09-07 07:46:10,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:46:10,445 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:46:10,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 6.466666666666667) internal successors, (776), 120 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 07:46:10,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:46:10,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-07 07:46:10,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-09-07 07:46:10,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-07 07:46:10,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-09-07 07:46:10,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-09-07 07:46:10,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-09-07 07:46:10,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-09-07 07:46:10,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2023-09-07 07:46:10,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 310 states. [2023-09-07 07:46:10,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Received shutdown request... [2023-09-07 07:55:52,926 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 07:55:52,927 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 07:55:52,927 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 07:55:52,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-09-07 07:55:53,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-09-07 07:55:53,145 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 488 known predicates. [2023-09-07 07:55:53,147 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-09-07 07:55:53,157 INFO L445 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1] [2023-09-07 07:55:53,158 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2023-09-07 07:55:53,159 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 07:55:53,159 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 07:55:53,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 07:55:53 BasicIcfg [2023-09-07 07:55:53,160 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 07:55:53,161 INFO L158 Benchmark]: Toolchain (without parser) took 851140.29ms. Allocated memory was 187.7MB in the beginning and 887.1MB in the end (delta: 699.4MB). Free memory was 130.9MB in the beginning and 513.4MB in the end (delta: -382.5MB). Peak memory consumption was 317.9MB. Max. memory is 7.0GB. [2023-09-07 07:55:53,161 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 187.7MB. Free memory was 140.3MB in the beginning and 140.2MB in the end (delta: 82.3kB). There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 07:55:53,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.70ms. Allocated memory is still 187.7MB. Free memory was 130.9MB in the beginning and 119.3MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-07 07:55:53,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.46ms. Allocated memory is still 187.7MB. Free memory was 119.3MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 07:55:53,161 INFO L158 Benchmark]: Boogie Preprocessor took 16.58ms. Allocated memory is still 187.7MB. Free memory was 117.3MB in the beginning and 115.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-07 07:55:53,161 INFO L158 Benchmark]: RCFGBuilder took 346.58ms. Allocated memory was 187.7MB in the beginning and 256.9MB in the end (delta: 69.2MB). Free memory was 115.7MB in the beginning and 216.3MB in the end (delta: -100.6MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB. [2023-09-07 07:55:53,162 INFO L158 Benchmark]: TraceAbstraction took 850553.15ms. Allocated memory was 256.9MB in the beginning and 887.1MB in the end (delta: 630.2MB). Free memory was 215.8MB in the beginning and 513.4MB in the end (delta: -297.6MB). Peak memory consumption was 332.6MB. Max. memory is 7.0GB. [2023-09-07 07:55:53,163 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 187.7MB. Free memory was 140.3MB in the beginning and 140.2MB in the end (delta: 82.3kB). There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 189.70ms. Allocated memory is still 187.7MB. Free memory was 130.9MB in the beginning and 119.3MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 30.46ms. Allocated memory is still 187.7MB. Free memory was 119.3MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 16.58ms. Allocated memory is still 187.7MB. Free memory was 117.3MB in the beginning and 115.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 346.58ms. Allocated memory was 187.7MB in the beginning and 256.9MB in the end (delta: 69.2MB). Free memory was 115.7MB in the beginning and 216.3MB in the end (delta: -100.6MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB. * TraceAbstraction took 850553.15ms. Allocated memory was 256.9MB in the beginning and 887.1MB in the end (delta: 630.2MB). Free memory was 215.8MB in the beginning and 513.4MB in the end (delta: -297.6MB). Peak memory consumption was 332.6MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10611, independent: 9568, independent conditional: 9568, independent unconditional: 0, dependent: 1043, dependent conditional: 1043, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9568, independent: 9568, independent conditional: 9568, 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: 9568, independent: 9568, independent conditional: 9568, 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: 9568, independent: 9568, independent conditional: 0, independent unconditional: 9568, 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: 9568, independent: 9568, independent conditional: 0, independent unconditional: 9568, 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: 9568, independent: 9568, independent conditional: 0, independent unconditional: 9568, 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: 9568, independent: 9568, independent conditional: 0, independent unconditional: 9568, 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: 9568, independent: 9568, independent conditional: 0, independent unconditional: 9568, 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: 9568, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 9568, unknown conditional: 0, unknown unconditional: 9568] , Statistics on independence cache: Total cache size (in pairs): 9568, Positive cache size: 9568, Positive conditional cache size: 0, Positive unconditional cache size: 9568, 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: 1043 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 48, RedundantProofs: 8, ProvenStates: 1553 - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 488 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 193 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 850.4s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 802.6s, 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: 1280, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 40.7s InterpolantComputationTime, 4495 NumberOfCodeBlocks, 4458 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 6621 ConstructedInterpolants, 25 QuantifiedInterpolants, 60828 SizeOfPredicates, 243 NumberOfNonLiveVariables, 3923 ConjunctsInSsa, 443 ConjunctsInUnsatCore, 29 InterpolantComputations, 3 PerfectInterpolantSequences, 2895/12130 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