/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/popl20-prod-cons3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 07:26:48,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 07:26:48,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 07:26:48,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 07:26:48,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 07:26:48,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 07:26:48,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 07:26:48,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 07:26:48,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 07:26:48,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 07:26:48,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 07:26:48,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 07:26:48,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 07:26:48,371 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 07:26:48,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 07:26:48,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 07:26:48,372 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 07:26:48,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 07:26:48,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 07:26:48,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 07:26:48,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 07:26:48,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 07:26:48,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 07:26:48,375 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 07:26:48,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 07:26:48,375 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 07:26:48,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 07:26:48,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 07:26:48,376 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 07:26:48,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 07:26:48,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 07:26:48,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 07:26:48,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 07:26:48,378 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 07:26:48,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 07:26:48,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 07:26:48,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 07:26:48,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 07:26:48,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 07:26:48,379 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 07:26:48,380 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 07:26:48,383 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-09-07 07:26:48,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 07:26:48,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 07:26:48,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 07:26:48,637 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 07:26:48,637 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 07:26:48,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2023-09-07 07:26:49,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 07:26:49,938 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 07:26:49,939 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2023-09-07 07:26:49,945 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd34f134/a601986f075a49a2b8bd8db88ba269c6/FLAGf31de00e6 [2023-09-07 07:26:49,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd34f134/a601986f075a49a2b8bd8db88ba269c6 [2023-09-07 07:26:49,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 07:26:49,958 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 07:26:49,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 07:26:49,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 07:26:49,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 07:26:49,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 07:26:49" (1/1) ... [2023-09-07 07:26:49,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2382f636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:49, skipping insertion in model container [2023-09-07 07:26:49,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 07:26:49" (1/1) ... [2023-09-07 07:26:49,990 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 07:26:50,126 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2023-09-07 07:26:50,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 07:26:50,144 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 07:26:50,169 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c[4007,4020] [2023-09-07 07:26:50,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 07:26:50,180 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 07:26:50,180 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 07:26:50,186 INFO L206 MainTranslator]: Completed translation [2023-09-07 07:26:50,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:50 WrapperNode [2023-09-07 07:26:50,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 07:26:50,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 07:26:50,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 07:26:50,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 07:26:50,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:50" (1/1) ... [2023-09-07 07:26:50,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:50" (1/1) ... [2023-09-07 07:26:50,227 INFO L138 Inliner]: procedures = 26, calls = 73, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 277 [2023-09-07 07:26:50,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 07:26:50,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 07:26:50,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 07:26:50,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 07:26:50,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:50" (1/1) ... [2023-09-07 07:26:50,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:50" (1/1) ... [2023-09-07 07:26:50,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:50" (1/1) ... [2023-09-07 07:26:50,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:50" (1/1) ... [2023-09-07 07:26:50,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:50" (1/1) ... [2023-09-07 07:26:50,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:50" (1/1) ... [2023-09-07 07:26:50,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:50" (1/1) ... [2023-09-07 07:26:50,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:50" (1/1) ... [2023-09-07 07:26:50,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 07:26:50,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 07:26:50,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 07:26:50,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 07:26:50,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:50" (1/1) ... [2023-09-07 07:26:50,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 07:26:50,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:26:50,298 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 07:26:50,302 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 07:26:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 07:26:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 07:26:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 07:26:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 07:26:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-07 07:26:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-07 07:26:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-07 07:26:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-07 07:26:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-07 07:26:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-07 07:26:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-09-07 07:26:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-09-07 07:26:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 07:26:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-07 07:26:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-07 07:26:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-07 07:26:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 07:26:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 07:26:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 07:26:50,328 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 07:26:50,416 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 07:26:50,417 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 07:26:50,737 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 07:26:50,888 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 07:26:50,888 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-09-07 07:26:50,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 07:26:50 BoogieIcfgContainer [2023-09-07 07:26:50,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 07:26:50,897 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 07:26:50,897 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 07:26:50,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 07:26:50,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 07:26:49" (1/3) ... [2023-09-07 07:26:50,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a9cec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 07:26:50, skipping insertion in model container [2023-09-07 07:26:50,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 07:26:50" (2/3) ... [2023-09-07 07:26:50,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a9cec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 07:26:50, skipping insertion in model container [2023-09-07 07:26:50,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 07:26:50" (3/3) ... [2023-09-07 07:26:50,906 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2023-09-07 07:26:50,912 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 07:26:50,918 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 07:26:50,919 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 07:26:50,919 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 07:26:50,998 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-09-07 07:26:51,047 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 07:26:51,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 07:26:51,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:26:51,051 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 07:26:51,052 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 07:26:51,087 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 07:26:51,093 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 07:26:51,098 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;@27170d21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 07:26:51,098 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2023-09-07 07:26:51,286 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:26:51,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:26:51,295 INFO L85 PathProgramCache]: Analyzing trace with hash -598340065, now seen corresponding path program 1 times [2023-09-07 07:26:51,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:26:51,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952657216] [2023-09-07 07:26:51,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:26:51,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:26:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:26:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-09-07 07:26:51,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:26:51,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952657216] [2023-09-07 07:26:51,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952657216] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 07:26:51,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 07:26:51,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 07:26:51,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107358583] [2023-09-07 07:26:51,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:26:51,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-07 07:26:51,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:26:51,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-07 07:26:51,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-07 07:26:51,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:51,680 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:26:51,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 90.0) internal successors, (180), 2 states have internal predecessors, (180), 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 07:26:51,682 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 07:26:51,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:51,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 07:26:51,782 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:26:51,782 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:26:51,782 INFO L85 PathProgramCache]: Analyzing trace with hash -308465975, now seen corresponding path program 1 times [2023-09-07 07:26:51,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:26:51,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120861661] [2023-09-07 07:26:51,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:26:51,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:26:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:26:52,352 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-07 07:26:52,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:26:52,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120861661] [2023-09-07 07:26:52,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120861661] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 07:26:52,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 07:26:52,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-07 07:26:52,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455358235] [2023-09-07 07:26:52,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:26:52,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-07 07:26:52,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:26:52,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-07 07:26:52,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-07 07:26:52,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:52,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:26:52,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 6 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 07:26:52,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:52,384 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 07:26:52,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:52,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:26:52,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 07:26:52,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:26:52,593 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:26:52,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1104541201, now seen corresponding path program 1 times [2023-09-07 07:26:52,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:26:52,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503358969] [2023-09-07 07:26:52,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:26:52,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:26:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:26:53,084 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-09-07 07:26:53,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:26:53,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503358969] [2023-09-07 07:26:53,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503358969] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:26:53,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680850897] [2023-09-07 07:26:53,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:26:53,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:26:53,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:26:53,123 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 07:26:53,125 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 07:26:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:26:53,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 9 conjunts are in the unsatisfiable core [2023-09-07 07:26:53,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:26:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-09-07 07:26:53,599 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:26:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-09-07 07:26:53,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680850897] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:26:53,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:26:53,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-09-07 07:26:53,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682462114] [2023-09-07 07:26:53,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:26:53,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-09-07 07:26:53,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:26:53,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-09-07 07:26:53,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-09-07 07:26:53,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:53,905 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:26:53,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.578947368421053) internal successors, (258), 19 states have internal predecessors, (258), 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 07:26:53,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:53,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:26:53,905 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 07:26:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:54,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:26:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:26:54,237 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 07:26:54,434 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 07:26:54,434 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:26:54,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:26:54,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1013516967, now seen corresponding path program 2 times [2023-09-07 07:26:54,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:26:54,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245901334] [2023-09-07 07:26:54,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:26:54,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:26:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:26:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-09-07 07:26:54,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:26:54,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245901334] [2023-09-07 07:26:54,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245901334] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 07:26:54,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 07:26:54,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-07 07:26:54,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825433779] [2023-09-07 07:26:54,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:26:54,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-07 07:26:54,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:26:54,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-07 07:26:54,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-07 07:26:54,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:54,654 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:26:54,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 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 07:26:54,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:54,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:26:54,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:26:54,654 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 07:26:54,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:54,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:26:54,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:26:54,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:26:54,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-07 07:26:54,746 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:26:54,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:26:54,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1897300122, now seen corresponding path program 1 times [2023-09-07 07:26:54,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:26:54,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677883452] [2023-09-07 07:26:54,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:26:54,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:26:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:26:55,244 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-09-07 07:26:55,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:26:55,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677883452] [2023-09-07 07:26:55,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677883452] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 07:26:55,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 07:26:55,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-07 07:26:55,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286549205] [2023-09-07 07:26:55,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:26:55,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-07 07:26:55,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:26:55,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-07 07:26:55,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-07 07:26:55,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:55,247 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:26:55,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.833333333333336) internal successors, (203), 6 states have internal predecessors, (203), 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 07:26:55,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:55,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:26:55,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:26:55,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:26:55,248 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 07:26:55,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:26:55,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:26:55,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:26:55,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:26:55,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:26:55,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-07 07:26:55,374 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:26:55,374 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:26:55,374 INFO L85 PathProgramCache]: Analyzing trace with hash 819965924, now seen corresponding path program 2 times [2023-09-07 07:26:55,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:26:55,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923846627] [2023-09-07 07:26:55,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:26:55,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:26:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:27:00,338 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 07:27:00,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:27:00,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923846627] [2023-09-07 07:27:00,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923846627] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:27:00,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698101056] [2023-09-07 07:27:00,339 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 07:27:00,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:27:00,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:27:00,340 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 07:27:00,343 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 07:27:00,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 07:27:00,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:27:00,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 47 conjunts are in the unsatisfiable core [2023-09-07 07:27:00,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:27:02,525 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:27:02,526 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 30 treesize of output 26 [2023-09-07 07:27:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-07 07:27:02,679 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:27:07,344 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 07:27:07,345 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 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 111 [2023-09-07 07:27:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-07 07:27:09,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698101056] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:27:09,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:27:09,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 25, 25] total 85 [2023-09-07 07:27:09,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528967935] [2023-09-07 07:27:09,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:27:09,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2023-09-07 07:27:09,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:27:09,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2023-09-07 07:27:09,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=695, Invalid=6443, Unknown=2, NotChecked=0, Total=7140 [2023-09-07 07:27:09,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:27:09,701 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:27:09,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 6.329411764705882) internal successors, (538), 85 states have internal predecessors, (538), 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 07:27:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:27:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:27:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:27:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:27:09,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:27:09,702 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 07:27:14,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:27:16,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:27:18,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:27:35,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:27:37,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:27:39,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:27:41,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:27:43,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:27:52,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:27:54,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:27:56,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:27:58,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:05,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:07,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:09,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:11,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:13,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:15,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:17,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:19,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:22,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:40,358 WARN L234 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 54 DAG size of output: 53 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-09-07 07:28:42,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:44,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:47,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:49,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:51,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:53,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:55,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:56,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-09-07 07:28:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:28:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:28:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:28:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:28:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:28:57,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-09-07 07:28:57,774 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 07:28:57,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:28:57,969 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:28:57,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:28:57,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1586678633, now seen corresponding path program 1 times [2023-09-07 07:28:57,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:28:57,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191005711] [2023-09-07 07:28:57,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:28:57,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:28:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:28:58,161 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-09-07 07:28:58,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:28:58,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191005711] [2023-09-07 07:28:58,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191005711] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:28:58,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716029952] [2023-09-07 07:28:58,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:28:58,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:28:58,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:28:58,163 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 07:28:58,166 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 07:28:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:28:58,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 8 conjunts are in the unsatisfiable core [2023-09-07 07:28:58,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:28:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-09-07 07:28:58,532 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:28:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-09-07 07:28:58,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716029952] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:28:58,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:28:58,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 8 [2023-09-07 07:28:58,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263362839] [2023-09-07 07:28:58,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:28:58,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-09-07 07:28:58,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:28:58,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-09-07 07:28:58,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-09-07 07:28:58,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:28:58,616 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:28:58,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 40.25) internal successors, (322), 8 states have internal predecessors, (322), 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 07:28:58,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:28:58,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:28:58,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:28:58,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:28:58,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:28:58,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-09-07 07:28:58,618 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 07:28:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:28:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:28:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:28:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:28:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:28:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-09-07 07:28:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:28:58,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-07 07:28:59,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:28:59,138 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:28:59,139 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:28:59,139 INFO L85 PathProgramCache]: Analyzing trace with hash -763819628, now seen corresponding path program 2 times [2023-09-07 07:28:59,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:28:59,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159861707] [2023-09-07 07:28:59,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:28:59,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:28:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:28:59,587 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-09-07 07:28:59,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:28:59,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159861707] [2023-09-07 07:28:59,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159861707] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:28:59,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021379422] [2023-09-07 07:28:59,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 07:28:59,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:28:59,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:28:59,591 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 07:28:59,592 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 07:28:59,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 07:28:59,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:28:59,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 12 conjunts are in the unsatisfiable core [2023-09-07 07:28:59,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:29:00,111 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-09-07 07:29:00,111 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:29:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 14 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-09-07 07:29:00,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021379422] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:29:00,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:29:00,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-09-07 07:29:00,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025404280] [2023-09-07 07:29:00,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:29:00,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-09-07 07:29:00,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:29:00,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-09-07 07:29:00,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-09-07 07:29:00,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:00,519 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:29:00,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 11.0) internal successors, (308), 28 states have internal predecessors, (308), 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 07:29:00,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:00,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:00,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:29:00,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:29:00,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:00,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-09-07 07:29:00,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:00,520 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 07:29:01,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:01,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:01,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:29:01,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:29:01,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:01,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-09-07 07:29:01,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:01,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 07:29:01,092 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 07:29:01,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:29:01,289 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:29:01,289 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:29:01,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1029075276, now seen corresponding path program 3 times [2023-09-07 07:29:01,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:29:01,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938302911] [2023-09-07 07:29:01,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:29:01,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:29:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:29:01,686 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-09-07 07:29:01,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:29:01,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938302911] [2023-09-07 07:29:01,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938302911] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:29:01,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187950646] [2023-09-07 07:29:01,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 07:29:01,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:29:01,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:29:01,688 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 07:29:01,713 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 07:29:01,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-09-07 07:29:01,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:29:01,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 6 conjunts are in the unsatisfiable core [2023-09-07 07:29:01,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:29:01,945 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-09-07 07:29:01,945 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:29:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-09-07 07:29:01,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187950646] provided 1 perfect and 1 imperfect interpolant sequences [2023-09-07 07:29:01,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-09-07 07:29:01,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2023-09-07 07:29:01,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564982042] [2023-09-07 07:29:01,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 07:29:01,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-07 07:29:01,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:29:01,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-07 07:29:01,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-09-07 07:29:01,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:01,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:29:01,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.4) internal successors, (202), 5 states have internal predecessors, (202), 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 07:29:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:29:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:29:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-09-07 07:29:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:01,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 07:29:01,999 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 07:29:02,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:29:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:29:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-09-07 07:29:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 07:29:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:02,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-07 07:29:02,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:29:02,746 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:29:02,746 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:29:02,746 INFO L85 PathProgramCache]: Analyzing trace with hash 2030717983, now seen corresponding path program 4 times [2023-09-07 07:29:02,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:29:02,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871443093] [2023-09-07 07:29:02,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:29:02,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:29:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:29:03,053 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-09-07 07:29:03,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:29:03,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871443093] [2023-09-07 07:29:03,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871443093] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:29:03,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351117978] [2023-09-07 07:29:03,053 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-07 07:29:03,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:29:03,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:29:03,055 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 07:29:03,066 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 07:29:03,215 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-07 07:29:03,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:29:03,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 10 conjunts are in the unsatisfiable core [2023-09-07 07:29:03,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:29:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-09-07 07:29:03,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:29:04,013 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-09-07 07:29:04,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351117978] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:29:04,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:29:04,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 7] total 10 [2023-09-07 07:29:04,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991787022] [2023-09-07 07:29:04,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:29:04,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-07 07:29:04,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:29:04,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-07 07:29:04,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2023-09-07 07:29:04,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:04,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:29:04,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 33.9) internal successors, (339), 10 states have internal predecessors, (339), 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 07:29:04,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:04,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:04,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:29:04,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:29:04,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:04,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-09-07 07:29:04,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:04,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 07:29:04,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:04,020 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 07:29:04,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:29:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:29:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-09-07 07:29:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-07 07:29:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:04,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:29:04,491 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 07:29:04,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:29:04,688 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 07:29:04,689 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 07:29:04,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1296873316, now seen corresponding path program 5 times [2023-09-07 07:29:04,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 07:29:04,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413019270] [2023-09-07 07:29:04,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 07:29:04,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 07:29:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 07:29:04,984 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-09-07 07:29:04,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 07:29:04,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413019270] [2023-09-07 07:29:04,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413019270] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 07:29:04,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671018216] [2023-09-07 07:29:04,984 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-07 07:29:04,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:29:04,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 07:29:04,985 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 07:29:05,009 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 07:29:05,174 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-09-07 07:29:05,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 07:29:05,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 10 conjunts are in the unsatisfiable core [2023-09-07 07:29:05,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 07:29:05,375 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-09-07 07:29:05,375 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 07:29:05,969 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-09-07 07:29:05,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671018216] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 07:29:05,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 07:29:05,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 7] total 10 [2023-09-07 07:29:05,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144710127] [2023-09-07 07:29:05,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 07:29:05,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-07 07:29:05,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 07:29:05,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-07 07:29:05,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-09-07 07:29:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:05,971 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 07:29:05,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 34.1) internal successors, (341), 10 states have internal predecessors, (341), 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 07:29:05,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 07:29:05,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:05,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-07 07:29:05,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:29:05,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:05,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-09-07 07:29:05,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:05,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-07 07:29:05,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 07:29:05,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 07:29:05,973 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 07:41:09,513 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 07:41:09,513 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 07:41:09,513 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 07:41:09,907 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 07:41:10,102 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,SelfDestructingSolverStorable10 [2023-09-07 07:41:10,102 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-07 07:41:10,105 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-09-07 07:41:10,172 INFO L445 BasicCegarLoop]: Path program histogram: [5, 2, 2, 1, 1] [2023-09-07 07:41:10,174 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/5) [2023-09-07 07:41:10,175 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 07:41:10,175 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 07:41:10,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 07:41:10 BasicIcfg [2023-09-07 07:41:10,176 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 07:41:10,177 INFO L158 Benchmark]: Toolchain (without parser) took 860218.73ms. Allocated memory was 157.3MB in the beginning and 451.9MB in the end (delta: 294.6MB). Free memory was 117.3MB in the beginning and 163.3MB in the end (delta: -46.0MB). Peak memory consumption was 389.0MB. Max. memory is 7.0GB. [2023-09-07 07:41:10,177 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 157.3MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 07:41:10,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.08ms. Allocated memory is still 157.3MB. Free memory was 116.9MB in the beginning and 104.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. [2023-09-07 07:41:10,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.97ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 102.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 07:41:10,178 INFO L158 Benchmark]: Boogie Preprocessor took 33.96ms. Allocated memory is still 157.3MB. Free memory was 102.0MB in the beginning and 100.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 07:41:10,178 INFO L158 Benchmark]: RCFGBuilder took 629.47ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 99.9MB in the beginning and 202.8MB in the end (delta: -102.9MB). Peak memory consumption was 39.6MB. Max. memory is 7.0GB. [2023-09-07 07:41:10,178 INFO L158 Benchmark]: TraceAbstraction took 859279.87ms. Allocated memory was 232.8MB in the beginning and 451.9MB in the end (delta: 219.2MB). Free memory was 201.8MB in the beginning and 163.3MB in the end (delta: 38.5MB). Peak memory consumption was 397.6MB. Max. memory is 7.0GB. [2023-09-07 07:41:10,179 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 157.3MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 230.08ms. Allocated memory is still 157.3MB. Free memory was 116.9MB in the beginning and 104.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 37.97ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 102.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 33.96ms. Allocated memory is still 157.3MB. Free memory was 102.0MB in the beginning and 100.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 629.47ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 99.9MB in the beginning and 202.8MB in the end (delta: -102.9MB). Peak memory consumption was 39.6MB. Max. memory is 7.0GB. * TraceAbstraction took 859279.87ms. Allocated memory was 232.8MB in the beginning and 451.9MB in the end (delta: 219.2MB). Free memory was 201.8MB in the beginning and 163.3MB in the end (delta: 38.5MB). Peak memory consumption was 397.6MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 55144, independent: 54510, independent conditional: 54510, independent unconditional: 0, dependent: 634, dependent conditional: 634, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54715, independent: 54510, independent conditional: 54510, independent unconditional: 0, dependent: 205, dependent conditional: 205, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 54715, independent: 54510, independent conditional: 54510, independent unconditional: 0, dependent: 205, dependent conditional: 205, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56667, independent: 54510, independent conditional: 0, independent unconditional: 54510, dependent: 2157, dependent conditional: 1952, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 56667, independent: 54510, independent conditional: 0, independent unconditional: 54510, dependent: 2157, dependent conditional: 0, dependent unconditional: 2157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 56667, independent: 54510, independent conditional: 0, independent unconditional: 54510, dependent: 2157, dependent conditional: 0, dependent unconditional: 2157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54715, independent: 54510, independent conditional: 0, independent unconditional: 54510, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 54715, independent: 54503, independent conditional: 0, independent unconditional: 54503, dependent: 212, dependent conditional: 0, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 212, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 212, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 212, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 376, independent: 70, independent conditional: 0, independent unconditional: 70, dependent: 306, dependent conditional: 0, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 56667, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1952, dependent conditional: 0, dependent unconditional: 1952, unknown: 54715, unknown conditional: 0, unknown unconditional: 54715] , Statistics on independence cache: Total cache size (in pairs): 54715, Positive cache size: 54510, Positive conditional cache size: 0, Positive unconditional cache size: 54510, Negative cache size: 205, Negative conditional cache size: 0, Negative unconditional cache size: 205, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1952, Maximal queried relation: 11, Independence queries for same thread: 429 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 44, RedundantProofs: 8, ProvenStates: 1764 - TimeoutResultAtElement [Line: 150]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 9 procedures, 252 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 859.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 834.9s, 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: 183, 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: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 20.2s InterpolantComputationTime, 4060 NumberOfCodeBlocks, 3999 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 5666 ConstructedInterpolants, 15 QuantifiedInterpolants, 24839 SizeOfPredicates, 57 NumberOfNonLiveVariables, 3920 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 25 InterpolantComputations, 5 PerfectInterpolantSequences, 1292/1443 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