/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 16:31:49,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 16:31:49,601 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 16:31:49,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 16:31:49,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 16:31:49,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 16:31:49,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 16:31:49,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 16:31:49,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 16:31:49,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 16:31:49,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 16:31:49,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 16:31:49,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 16:31:49,636 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 16:31:49,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 16:31:49,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 16:31:49,636 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 16:31:49,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 16:31:49,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 16:31:49,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 16:31:49,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 16:31:49,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 16:31:49,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 16:31:49,638 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 16:31:49,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 16:31:49,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 16:31:49,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 16:31:49,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 16:31:49,639 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 16:31:49,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 16:31:49,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:31:49,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 16:31:49,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 16:31:49,640 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 16:31:49,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 16:31:49,641 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 16:31:49,641 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 16:31:49,641 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 16:31:49,641 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 16:31:49,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 16:31:49,641 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 16:31:49,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 16:31:49,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 16:31:49,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 16:31:49,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 16:31:49,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 16:31:49,854 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 16:31:49,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2024-05-30 16:31:50,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 16:31:51,020 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 16:31:51,020 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2024-05-30 16:31:51,029 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2335c7752/932608fd845a4c1b887b8a719a58aa1e/FLAG10bd0f5f7 [2024-05-30 16:31:51,041 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2335c7752/932608fd845a4c1b887b8a719a58aa1e [2024-05-30 16:31:51,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 16:31:51,044 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 16:31:51,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 16:31:51,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 16:31:51,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 16:31:51,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:31:51" (1/1) ... [2024-05-30 16:31:51,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3d5a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51, skipping insertion in model container [2024-05-30 16:31:51,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:31:51" (1/1) ... [2024-05-30 16:31:51,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 16:31:51,197 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2024-05-30 16:31:51,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:31:51,218 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 16:31:51,247 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c[2835,2848] [2024-05-30 16:31:51,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:31:51,265 INFO L206 MainTranslator]: Completed translation [2024-05-30 16:31:51,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51 WrapperNode [2024-05-30 16:31:51,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 16:31:51,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 16:31:51,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 16:31:51,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 16:31:51,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51" (1/1) ... [2024-05-30 16:31:51,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51" (1/1) ... [2024-05-30 16:31:51,328 INFO L138 Inliner]: procedures = 25, calls = 58, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 288 [2024-05-30 16:31:51,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 16:31:51,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 16:31:51,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 16:31:51,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 16:31:51,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51" (1/1) ... [2024-05-30 16:31:51,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51" (1/1) ... [2024-05-30 16:31:51,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51" (1/1) ... [2024-05-30 16:31:51,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51" (1/1) ... [2024-05-30 16:31:51,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51" (1/1) ... [2024-05-30 16:31:51,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51" (1/1) ... [2024-05-30 16:31:51,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51" (1/1) ... [2024-05-30 16:31:51,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51" (1/1) ... [2024-05-30 16:31:51,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 16:31:51,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 16:31:51,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 16:31:51,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 16:31:51,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51" (1/1) ... [2024-05-30 16:31:51,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:31:51,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:31:51,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 16:31:51,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 16:31:51,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 16:31:51,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 16:31:51,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 16:31:51,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 16:31:51,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 16:31:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 16:31:51,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 16:31:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 16:31:51,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-30 16:31:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-30 16:31:51,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 16:31:51,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 16:31:51,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 16:31:51,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-30 16:31:51,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 16:31:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 16:31:51,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 16:31:51,533 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 16:31:51,660 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 16:31:51,662 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 16:31:52,050 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 16:31:52,257 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 16:31:52,258 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-05-30 16:31:52,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:31:52 BoogieIcfgContainer [2024-05-30 16:31:52,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 16:31:52,261 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 16:31:52,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 16:31:52,264 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 16:31:52,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 04:31:51" (1/3) ... [2024-05-30 16:31:52,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22049c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:31:52, skipping insertion in model container [2024-05-30 16:31:52,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:31:51" (2/3) ... [2024-05-30 16:31:52,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22049c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:31:52, skipping insertion in model container [2024-05-30 16:31:52,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:31:52" (3/3) ... [2024-05-30 16:31:52,268 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2024-05-30 16:31:52,277 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 16:31:52,286 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 16:31:52,286 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 16:31:52,286 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 16:31:52,339 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-30 16:31:52,382 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:31:52,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 16:31:52,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:31:52,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 16:31:52,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 16:31:52,426 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 16:31:52,433 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 16:31:52,439 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;@2a8f44d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:31:52,439 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 16:31:52,446 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:31:52,625 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:52,625 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:52,625 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:52,655 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:52,655 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:52,655 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:52,693 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:52,693 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:52,694 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:52,779 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:52,779 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:52,779 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:52,805 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:52,805 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:52,805 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:52,836 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:52,836 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:52,836 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:52,859 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:52,860 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:52,860 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:52,914 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:52,915 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:52,915 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:52,980 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:52,981 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:52,981 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:52,995 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:52,995 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:52,995 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,003 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,003 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,003 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,010 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,010 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,010 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,023 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,024 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,024 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,048 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,048 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,049 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,062 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,062 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,062 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,071 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,072 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,072 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,099 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,099 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,099 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,107 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,108 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,108 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,119 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,119 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,120 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,130 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,130 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,130 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,147 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,147 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,148 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,192 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,192 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,192 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,199 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,199 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,199 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,201 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,202 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,202 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,241 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,241 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,241 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,252 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,252 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,253 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,269 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,270 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,270 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,280 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,280 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,281 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,293 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,293 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,293 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,323 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,323 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,324 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,333 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,333 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,333 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,344 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,345 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,345 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,353 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,354 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,354 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,375 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,375 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,375 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,414 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,415 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,415 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,421 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,421 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,422 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,426 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,426 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,426 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,436 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,437 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,437 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,445 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,445 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,445 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,457 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,457 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,457 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,465 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,465 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,465 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,473 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,473 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,473 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,499 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,499 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,500 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,507 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,507 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,507 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,517 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,517 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,518 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,524 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,524 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,525 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,536 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,536 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,537 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,571 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,571 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,571 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,596 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,597 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,597 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,599 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,599 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,599 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,604 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,604 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,605 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,612 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,612 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,612 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,661 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,662 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,662 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,695 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,695 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,695 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,724 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,725 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,725 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,843 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,843 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,843 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,884 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,884 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,884 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,955 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,956 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,956 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:53,985 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:53,986 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:53,986 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,023 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,023 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,023 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,099 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,100 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,100 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,137 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,137 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,137 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,149 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,149 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,150 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,173 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,173 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,173 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,218 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,218 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,218 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,222 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,222 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,222 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,227 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,228 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,228 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,232 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,232 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,232 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,242 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 962 states. [2024-05-30 16:31:54,243 INFO L212 cStratifiedReduction]: Copied states 96 times. [2024-05-30 16:31:54,245 INFO L78 Accepts]: Start accepts. Automaton has currently 991 states, but on-demand construction may add more states Word has length 160 [2024-05-30 16:31:54,248 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:31:54,249 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:31:54,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:31:54,252 INFO L85 PathProgramCache]: Analyzing trace with hash -949297926, now seen corresponding path program 1 times [2024-05-30 16:31:54,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:31:54,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065479082] [2024-05-30 16:31:54,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:31:54,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:31:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:31:54,536 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-30 16:31:54,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:31:54,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065479082] [2024-05-30 16:31:54,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065479082] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:31:54,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:31:54,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 16:31:54,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144196097] [2024-05-30 16:31:54,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:31:54,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 16:31:54,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:31:54,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 16:31:54,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 16:31:54,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:54,564 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:31:54,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:31:54,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:54,566 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:31:54,617 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,617 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,619 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,626 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,626 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,627 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,635 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,636 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,636 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,657 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,658 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,658 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,663 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,664 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,664 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,671 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,672 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,672 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,678 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,678 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,678 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,691 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,691 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,691 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,722 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,722 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,722 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,727 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,727 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,727 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,729 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,729 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,729 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,734 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,734 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,734 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,741 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,741 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,741 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,752 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,752 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,752 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,760 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,760 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,760 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,772 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,772 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,772 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,791 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,792 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,792 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,797 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,797 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,797 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,804 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,805 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,805 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,810 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,811 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,811 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,821 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,821 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,821 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,848 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,848 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,848 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,853 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,855 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,855 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,856 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,857 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,858 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,863 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,863 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,863 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,869 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,869 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,869 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,878 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,878 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,878 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,884 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,885 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,885 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,891 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,891 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,891 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,909 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,909 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,909 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,915 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,915 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,915 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,922 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,922 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,922 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,928 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,928 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,928 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:54,943 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:54,943 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:54,943 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,010 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,010 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,011 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,016 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,016 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,016 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,017 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,017 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,018 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,023 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,023 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,023 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,029 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,030 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,030 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,069 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,070 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,070 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,076 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,076 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,076 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,094 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,094 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,094 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,112 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,112 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,112 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,117 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,117 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,117 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,124 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,124 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,124 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,130 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,130 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,130 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,140 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,140 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,140 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,165 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,165 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,165 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,169 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,170 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,170 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,171 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,173 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,173 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,178 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,180 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,181 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,187 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,187 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,187 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,226 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,226 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,226 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,250 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,250 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,251 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,275 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,275 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,275 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,339 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,339 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,339 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,397 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,398 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,398 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,422 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,422 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,422 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,445 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,446 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,446 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,484 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,484 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,484 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,562 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,562 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,563 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,599 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,599 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,599 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,611 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,612 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,612 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,643 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,644 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,644 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,679 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,679 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,679 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,686 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,686 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,686 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,691 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,691 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,691 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,696 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:55,696 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:55,696 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:55,710 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1044 states. [2024-05-30 16:31:55,710 INFO L212 cStratifiedReduction]: Copied states 91 times. [2024-05-30 16:31:55,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:55,711 INFO L78 Accepts]: Start accepts. Automaton has currently 1113 states, but on-demand construction may add more states Word has length 154 [2024-05-30 16:31:55,714 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:31:55,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 16:31:55,716 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:31:55,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:31:55,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1496613672, now seen corresponding path program 1 times [2024-05-30 16:31:55,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:31:55,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391496507] [2024-05-30 16:31:55,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:31:55,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:31:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:31:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-30 16:31:56,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:31:56,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391496507] [2024-05-30 16:31:56,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391496507] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:31:56,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:31:56,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-05-30 16:31:56,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483071435] [2024-05-30 16:31:56,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:31:56,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-30 16:31:56,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:31:56,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-30 16:31:56,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-05-30 16:31:56,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:56,191 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:31:56,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.666666666666668) internal successors, (150), 9 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:31:56,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:56,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:56,193 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:31:56,369 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,369 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,369 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,374 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,375 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,375 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,379 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,380 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,380 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,396 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,396 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,396 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,401 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,401 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,401 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,407 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,407 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,407 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,413 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,413 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,413 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,421 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,421 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,421 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,444 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,444 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,445 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,448 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,448 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,448 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,450 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,451 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,451 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,454 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,454 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,454 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,459 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,459 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,459 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,467 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,467 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,467 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,472 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,472 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,472 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,478 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,478 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,478 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,494 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,494 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,494 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,499 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,499 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,499 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,505 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,505 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,505 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,510 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,510 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,510 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,519 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,519 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,520 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,542 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,543 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,545 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,549 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,549 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,549 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,550 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,551 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,551 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,555 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,555 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,555 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,560 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,560 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,560 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,568 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,568 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,568 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,574 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,574 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,574 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,580 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,580 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,580 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,643 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,644 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,644 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,653 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,653 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,653 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,660 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,661 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,661 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,667 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,667 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,667 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,677 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,678 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,678 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,710 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,710 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,710 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,714 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,714 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,714 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,716 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,716 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,716 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,720 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,720 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,721 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,727 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,727 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,727 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,736 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,736 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,736 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,742 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,743 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,743 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,749 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,749 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,749 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,768 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,768 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,768 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,774 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,774 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,774 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,781 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,781 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,781 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,787 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,787 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,787 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,798 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,798 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,798 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,826 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,827 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,827 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,831 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,831 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,831 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,833 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,833 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,833 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,837 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,837 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,838 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,844 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,844 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,844 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,886 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,886 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,886 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,924 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,924 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,931 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:56,959 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:56,959 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:56,960 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,022 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:57,022 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:57,023 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,046 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:57,046 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:57,046 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,070 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:57,071 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:57,071 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,093 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:57,093 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:57,093 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,118 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:57,119 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:57,119 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,229 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:57,229 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:57,230 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,252 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:57,252 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:57,252 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,259 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:57,259 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:57,259 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,276 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:57,276 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:57,276 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,296 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:57,296 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:57,297 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,303 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:57,303 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:57,303 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,306 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:57,306 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:57,306 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,309 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:57,309 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:57,309 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:57,323 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1060 states. [2024-05-30 16:31:57,323 INFO L212 cStratifiedReduction]: Copied states 91 times. [2024-05-30 16:31:57,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:57,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:31:57,323 INFO L78 Accepts]: Start accepts. Automaton has currently 1129 states, but on-demand construction may add more states Word has length 170 [2024-05-30 16:31:57,325 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:31:57,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 16:31:57,325 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:31:57,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:31:57,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1999135113, now seen corresponding path program 1 times [2024-05-30 16:31:57,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:31:57,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369215264] [2024-05-30 16:31:57,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:31:57,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:31:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:31:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 16:31:57,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:31:57,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369215264] [2024-05-30 16:31:57,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369215264] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:31:57,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378992281] [2024-05-30 16:31:57,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:31:57,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:31:57,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:31:57,598 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:31:57,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 16:31:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:31:57,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-30 16:31:57,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:31:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 16:31:57,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:31:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 16:31:58,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378992281] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-30 16:31:58,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-30 16:31:58,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2024-05-30 16:31:58,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996286186] [2024-05-30 16:31:58,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:31:58,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 16:31:58,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:31:58,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 16:31:58,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-05-30 16:31:58,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:58,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:31:58,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 7 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:31:58,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:58,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:31:58,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:58,018 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:31:58,096 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:58,097 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:58,097 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:58,101 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:58,101 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:58,102 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:58,104 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:58,105 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:58,105 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:58,115 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 319 states. [2024-05-30 16:31:58,115 INFO L212 cStratifiedReduction]: Copied states 6 times. [2024-05-30 16:31:58,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:58,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:31:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:31:58,116 INFO L78 Accepts]: Start accepts. Automaton has currently 320 states, but on-demand construction may add more states Word has length 176 [2024-05-30 16:31:58,117 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:31:58,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-30 16:31:58,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-30 16:31:58,323 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:31:58,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:31:58,323 INFO L85 PathProgramCache]: Analyzing trace with hash 559167619, now seen corresponding path program 1 times [2024-05-30 16:31:58,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:31:58,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356704501] [2024-05-30 16:31:58,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:31:58,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:31:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:31:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-30 16:31:58,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:31:58,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356704501] [2024-05-30 16:31:58,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356704501] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:31:58,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824460254] [2024-05-30 16:31:58,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:31:58,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:31:58,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:31:58,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:31:58,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 16:31:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:31:58,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-30 16:31:58,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:31:58,935 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-30 16:31:58,935 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:31:59,151 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-30 16:31:59,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824460254] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:31:59,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:31:59,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-05-30 16:31:59,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070585505] [2024-05-30 16:31:59,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:31:59,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-30 16:31:59,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:31:59,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-30 16:31:59,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2024-05-30 16:31:59,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:59,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:31:59,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.84) internal successors, (221), 25 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:31:59,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:59,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:31:59,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:31:59,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:59,154 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:31:59,487 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:59,487 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:59,487 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:59,492 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:59,492 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:59,492 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:59,497 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:31:59,497 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:31:59,497 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:31:59,520 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 337 states. [2024-05-30 16:31:59,520 INFO L212 cStratifiedReduction]: Copied states 6 times. [2024-05-30 16:31:59,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:31:59,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:31:59,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:31:59,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:31:59,520 INFO L78 Accepts]: Start accepts. Automaton has currently 338 states, but on-demand construction may add more states Word has length 192 [2024-05-30 16:31:59,521 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:31:59,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-30 16:31:59,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:31:59,729 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:31:59,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:31:59,729 INFO L85 PathProgramCache]: Analyzing trace with hash -19580044, now seen corresponding path program 2 times [2024-05-30 16:31:59,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:31:59,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022446013] [2024-05-30 16:31:59,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:31:59,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:31:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:31:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-30 16:31:59,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:31:59,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022446013] [2024-05-30 16:31:59,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022446013] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:31:59,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350065470] [2024-05-30 16:31:59,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:31:59,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:31:59,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:31:59,976 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:31:59,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 16:32:00,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:32:00,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:32:00,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-30 16:32:00,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:32:00,199 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-05-30 16:32:00,199 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:32:00,277 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-05-30 16:32:00,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350065470] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:32:00,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:32:00,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 21 [2024-05-30 16:32:00,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199053461] [2024-05-30 16:32:00,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:32:00,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-05-30 16:32:00,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:32:00,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-05-30 16:32:00,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2024-05-30 16:32:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:32:00,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:32:00,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 14.238095238095237) internal successors, (299), 21 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:32:00,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:32:00,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:32:00,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:32:00,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:32:00,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:32:00,281 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:32:00,730 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,731 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,731 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,737 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,738 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,738 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,744 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,744 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,744 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,761 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,761 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,762 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,766 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,767 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,767 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,773 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,773 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,773 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,781 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,781 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,782 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,796 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,797 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,797 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,886 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,886 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,886 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,890 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,890 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,890 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,892 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,892 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,892 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,896 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,896 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,896 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,905 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,905 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,905 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,917 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,917 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,917 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,923 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,923 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,923 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,929 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,929 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,929 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,945 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,945 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,945 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,950 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,950 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,950 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,956 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,956 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,956 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,962 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,962 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,962 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,970 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,970 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,970 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,994 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,994 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,994 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,998 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,998 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,998 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:00,999 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:00,999 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:00,999 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,004 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,004 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,004 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,009 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,009 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,010 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,017 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,018 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,018 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,023 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,023 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,023 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,028 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,028 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,029 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,044 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,045 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,045 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,049 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,050 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,050 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,056 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,056 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,056 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,061 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,061 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,061 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,070 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,070 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,070 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,094 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,094 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,095 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,098 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,098 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,098 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,099 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,099 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,099 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,103 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,103 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,103 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,108 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,109 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,109 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,152 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,153 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,153 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,175 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,175 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,175 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,195 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,196 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,196 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,261 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,261 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,261 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,281 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,282 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,282 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,361 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,361 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,361 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,387 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,387 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,387 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,417 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,417 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,418 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,477 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,477 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,477 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,507 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,508 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,508 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,516 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,517 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,517 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,539 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,539 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,539 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,566 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,566 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,566 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,582 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,583 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,583 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,587 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,587 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,587 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,591 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:01,591 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:01,591 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:01,610 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 964 states. [2024-05-30 16:32:01,611 INFO L212 cStratifiedReduction]: Copied states 74 times. [2024-05-30 16:32:01,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:32:01,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:32:01,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:32:01,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:32:01,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 16:32:01,612 INFO L78 Accepts]: Start accepts. Automaton has currently 1047 states, but on-demand construction may add more states Word has length 198 [2024-05-30 16:32:01,613 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:32:01,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-30 16:32:01,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:32:01,819 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:32:01,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:32:01,820 INFO L85 PathProgramCache]: Analyzing trace with hash -275597778, now seen corresponding path program 3 times [2024-05-30 16:32:01,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:32:01,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884183515] [2024-05-30 16:32:01,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:32:01,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:32:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:32:02,165 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-30 16:32:02,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:32:02,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884183515] [2024-05-30 16:32:02,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884183515] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:32:02,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850724660] [2024-05-30 16:32:02,165 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:32:02,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:32:02,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:32:02,166 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:32:02,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 16:32:02,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-30 16:32:02,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:32:02,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-30 16:32:02,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:32:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-30 16:32:02,496 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:32:02,638 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-30 16:32:02,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850724660] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:32:02,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:32:02,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 29 [2024-05-30 16:32:02,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431920949] [2024-05-30 16:32:02,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:32:02,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-05-30 16:32:02,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:32:02,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-05-30 16:32:02,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=722, Unknown=0, NotChecked=0, Total=812 [2024-05-30 16:32:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:32:02,641 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:32:02,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.862068965517242) internal successors, (315), 29 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:32:02,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:32:02,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:32:02,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:32:02,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:32:02,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-30 16:32:02,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:32:02,642 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:32:03,230 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,230 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,230 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,240 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,240 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,241 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,254 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,254 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,254 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,279 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,279 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,279 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,285 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,286 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,286 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,293 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,294 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,294 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,318 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,319 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,319 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,342 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,342 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,342 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,452 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,452 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,452 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,456 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,456 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,456 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,457 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,457 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,457 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,467 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,467 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,467 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,474 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,474 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,474 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,482 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,483 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,483 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,487 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,488 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,488 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,492 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,492 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,492 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,508 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,508 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,508 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,512 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,512 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,512 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,517 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,517 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,518 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,522 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,522 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,522 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,530 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,530 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,530 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,550 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,551 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,551 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,554 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,554 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,554 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,555 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,555 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,555 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,558 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,558 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,558 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,563 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,563 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,563 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,570 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,570 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,570 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,575 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,575 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,575 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,579 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,579 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,579 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,594 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,594 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,594 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,598 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,598 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,598 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,604 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,604 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,604 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,608 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,609 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,609 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,616 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,617 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,617 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,637 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,638 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,638 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,641 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,641 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,641 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,642 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,643 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,643 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,646 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,647 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,647 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,651 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,652 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,652 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,692 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,693 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,693 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,714 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,714 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,714 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,735 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,735 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,735 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,802 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,802 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,802 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,827 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,827 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,827 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,851 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,852 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,852 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,872 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,873 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,873 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,897 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,897 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,897 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,943 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,944 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,944 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,983 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,983 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,983 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:03,990 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:03,990 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:03,990 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:04,008 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:04,009 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:04,009 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:04,036 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:04,036 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:04,036 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:04,049 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:04,049 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:04,049 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:04,053 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:04,053 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:04,053 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:04,057 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:32:04,057 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:32:04,057 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:32:04,080 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1001 states. [2024-05-30 16:32:04,081 INFO L212 cStratifiedReduction]: Copied states 74 times. [2024-05-30 16:32:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:32:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:32:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:32:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-30 16:32:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-30 16:32:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-30 16:32:04,081 INFO L78 Accepts]: Start accepts. Automaton has currently 1093 states, but on-demand construction may add more states Word has length 220 [2024-05-30 16:32:04,083 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:32:04,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-30 16:32:04,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-30 16:32:04,288 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:32:04,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:32:04,289 INFO L85 PathProgramCache]: Analyzing trace with hash -2034137639, now seen corresponding path program 4 times [2024-05-30 16:32:04,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:32:04,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427870410] [2024-05-30 16:32:04,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:32:04,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:32:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-30 16:32:04,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-30 16:32:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-30 16:32:04,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-30 16:32:04,593 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-05-30 16:32:04,594 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 16:32:04,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-30 16:32:04,608 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1] [2024-05-30 16:32:04,609 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was UNSAFE (1/4) [2024-05-30 16:32:04,612 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 16:32:04,612 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 16:32:04,693 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-05-30 16:32:04,696 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-05-30 16:32:04,698 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-05-30 16:32:04,700 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-05-30 16:32:04,701 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-05-30 16:32:04,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 04:32:04 BasicIcfg [2024-05-30 16:32:04,722 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 16:32:04,722 INFO L158 Benchmark]: Toolchain (without parser) took 13678.13ms. Allocated memory was 245.4MB in the beginning and 1.2GB in the end (delta: 990.9MB). Free memory was 171.1MB in the beginning and 491.0MB in the end (delta: -319.9MB). Peak memory consumption was 671.0MB. Max. memory is 8.0GB. [2024-05-30 16:32:04,722 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 245.4MB. Free memory is still 201.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 16:32:04,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.99ms. Allocated memory is still 245.4MB. Free memory was 171.1MB in the beginning and 158.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-30 16:32:04,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.18ms. Allocated memory is still 245.4MB. Free memory was 158.6MB in the beginning and 155.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 16:32:04,722 INFO L158 Benchmark]: Boogie Preprocessor took 54.77ms. Allocated memory is still 245.4MB. Free memory was 155.9MB in the beginning and 153.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 16:32:04,723 INFO L158 Benchmark]: RCFGBuilder took 873.27ms. Allocated memory is still 245.4MB. Free memory was 153.5MB in the beginning and 149.9MB in the end (delta: 3.6MB). Peak memory consumption was 5.4MB. Max. memory is 8.0GB. [2024-05-30 16:32:04,723 INFO L158 Benchmark]: TraceAbstraction took 12460.60ms. Allocated memory was 245.4MB in the beginning and 1.2GB in the end (delta: 990.9MB). Free memory was 148.9MB in the beginning and 491.0MB in the end (delta: -342.1MB). Peak memory consumption was 647.7MB. Max. memory is 8.0GB. [2024-05-30 16:32:04,724 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 245.4MB. Free memory is still 201.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 220.99ms. Allocated memory is still 245.4MB. Free memory was 171.1MB in the beginning and 158.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.18ms. Allocated memory is still 245.4MB. Free memory was 158.6MB in the beginning and 155.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.77ms. Allocated memory is still 245.4MB. Free memory was 155.9MB in the beginning and 153.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 873.27ms. Allocated memory is still 245.4MB. Free memory was 153.5MB in the beginning and 149.9MB in the end (delta: 3.6MB). Peak memory consumption was 5.4MB. Max. memory is 8.0GB. * TraceAbstraction took 12460.60ms. Allocated memory was 245.4MB in the beginning and 1.2GB in the end (delta: 990.9MB). Free memory was 148.9MB in the beginning and 491.0MB in the end (delta: -342.1MB). Peak memory consumption was 647.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8419, independent: 7776, independent conditional: 7776, independent unconditional: 0, dependent: 643, dependent conditional: 643, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7859, independent: 7776, independent conditional: 7776, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7859, independent: 7776, independent conditional: 7776, independent unconditional: 0, dependent: 83, dependent conditional: 83, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8078, independent: 7776, independent conditional: 0, independent unconditional: 7776, dependent: 302, dependent conditional: 219, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8078, independent: 7776, independent conditional: 0, independent unconditional: 7776, dependent: 302, dependent conditional: 0, dependent unconditional: 302, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8078, independent: 7776, independent conditional: 0, independent unconditional: 7776, dependent: 302, dependent conditional: 0, dependent unconditional: 302, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7859, independent: 7776, independent conditional: 0, independent unconditional: 7776, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7859, independent: 7776, independent conditional: 0, independent unconditional: 7776, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 83, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 83, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 83, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 160, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 160, dependent conditional: 0, dependent unconditional: 160, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8078, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 219, dependent conditional: 0, dependent unconditional: 219, unknown: 7859, unknown conditional: 0, unknown unconditional: 7859] , Statistics on independence cache: Total cache size (in pairs): 7859, Positive cache size: 7776, Positive conditional cache size: 0, Positive unconditional cache size: 7776, Negative cache size: 83, Negative conditional cache size: 0, Negative unconditional cache size: 83, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 219, Maximal queried relation: 6, Independence queries for same thread: 560 - StatisticsResult: Reduction benchmarks 24.4ms Time before loop, 1771.4ms Time in loop, 1.8s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 75, Reduction States: 962, Duplicate States: 96, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 10.1ms Time before loop, 1133.0ms Time in loop, 1.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 75, Reduction States: 1044, Duplicate States: 91, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 80.5ms Time before loop, 1049.5ms Time in loop, 1.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 75, Reduction States: 1060, Duplicate States: 91, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 46.4ms Time before loop, 50.2ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 10, Reduction States: 319, Duplicate States: 6, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 168.2ms Time before loop, 197.6ms Time in loop, 0.4s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 10, Reduction States: 337, Duplicate States: 6, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 155.2ms Time before loop, 1174.3ms Time in loop, 1.3s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 62, Reduction States: 964, Duplicate States: 74, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 261.6ms Time before loop, 1176.6ms Time in loop, 1.4s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 62, Reduction States: 1001, Duplicate States: 74, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 905, Transitions: 1152, Traversal time: 1.8s - StatisticsResult: Visitor Statistics States: 900, Transitions: 1148, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 914, Transitions: 1162, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 230, Transitions: 248, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 246, Transitions: 264, Traversal time: 0.4s - StatisticsResult: Visitor Statistics States: 804, Transitions: 1006, Traversal time: 1.3s - StatisticsResult: Visitor Statistics States: 826, Transitions: 1028, Traversal time: 1.4s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 15, RedundantProofs: 5, ProvenStates: 306, Times there's more than one choice: 227, Avg number of choices: 3.316993464052288 - CounterExampleResult [Line: 106]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L40] 0 int* A; VAL [A={0:0}] [L41] 0 int* B; VAL [A={0:0}, B={0:0}] [L42] 0 int res1, res2, M, N; VAL [A={0:0}, B={0:0}, M=0, N=0, res1=0, res2=0] [L87] 0 pthread_t t1, t2, t3; VAL [A={0:0}, B={0:0}, M=0, N=0, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L90] 0 M = __VERIFIER_nondet_int() VAL [A={0:0}, B={0:0}, M=2, N=0, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L91] 0 N = __VERIFIER_nondet_int() VAL [A={0:0}, B={0:0}, M=2, N=3, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L92] CALL, EXPR 0 create_fresh_int_array(N) [L112] CALL 0 assume_abort_if_not(size >= 0) [L37] COND FALSE 0 !(!cond) VAL [A={0:0}, B={0:0}, M=2, N=3, \old(cond)=1, cond=1, res1=0, res2=0] [L112] RET 0 assume_abort_if_not(size >= 0) [L113] CALL 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L37] COND FALSE 0 !(!cond) VAL [A={0:0}, B={0:0}, M=2, N=3, \old(cond)=1, cond=1, res1=0, res2=0] [L113] RET 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L115] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, res1=0, res2=0, size=3] [L116] 0 int i = 0; VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=0, res1=0, res2=0, size=3] [L116] COND TRUE 0 i < size VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=0, res1=0, res2=0, size=3] [L117] 0 arr[i] = __VERIFIER_nondet_int() VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=0, res1=0, res2=0, size=3] [L116] 0 i++ VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=1, res1=0, res2=0, size=3] [L116] COND TRUE 0 i < size VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=1, res1=0, res2=0, size=3] [L117] 0 arr[i] = __VERIFIER_nondet_int() VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=1, res1=0, res2=0, size=3] [L116] 0 i++ VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=2, res1=0, res2=0, size=3] [L116] COND TRUE 0 i < size VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=2, res1=0, res2=0, size=3] [L117] 0 arr[i] = __VERIFIER_nondet_int() VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=2, res1=0, res2=0, size=3] [L116] 0 i++ VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=3, res1=0, res2=0, size=3] [L116] COND FALSE 0 !(i < size) VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={3:0}, i=3, res1=0, res2=0, size=3] [L119] 0 return arr; VAL [A={0:0}, B={0:0}, M=2, N=3, \old(size)=3, \result={3:0}, arr={3:0}, res1=0, res2=0, size=3] [L92] RET, EXPR 0 create_fresh_int_array(N) [L92] 0 A = create_fresh_int_array(N) VAL [A={3:0}, B={0:0}, M=2, N=3, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L93] CALL, EXPR 0 create_fresh_int_array(N) [L112] CALL 0 assume_abort_if_not(size >= 0) [L37] COND FALSE 0 !(!cond) VAL [A={3:0}, B={0:0}, M=2, N=3, \old(cond)=1, cond=1, res1=0, res2=0] [L112] RET 0 assume_abort_if_not(size >= 0) [L113] CALL 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L37] COND FALSE 0 !(!cond) VAL [A={3:0}, B={0:0}, M=2, N=3, \old(cond)=1, cond=1, res1=0, res2=0] [L113] RET 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L115] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, res1=0, res2=0, size=3] [L116] 0 int i = 0; VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=0, res1=0, res2=0, size=3] [L116] COND TRUE 0 i < size VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=0, res1=0, res2=0, size=3] [L117] 0 arr[i] = __VERIFIER_nondet_int() VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=0, res1=0, res2=0, size=3] [L116] 0 i++ VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=1, res1=0, res2=0, size=3] [L116] COND TRUE 0 i < size VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=1, res1=0, res2=0, size=3] [L117] 0 arr[i] = __VERIFIER_nondet_int() VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=1, res1=0, res2=0, size=3] [L116] 0 i++ VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=2, res1=0, res2=0, size=3] [L116] COND TRUE 0 i < size VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=2, res1=0, res2=0, size=3] [L117] 0 arr[i] = __VERIFIER_nondet_int() VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=2, res1=0, res2=0, size=3] [L116] 0 i++ VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=3, res1=0, res2=0, size=3] [L116] COND FALSE 0 !(i < size) VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, arr={-7:0}, i=3, res1=0, res2=0, size=3] [L119] 0 return arr; VAL [A={3:0}, B={0:0}, M=2, N=3, \old(size)=3, \result={-7:0}, arr={-7:0}, res1=0, res2=0, size=3] [L93] RET, EXPR 0 create_fresh_int_array(N) [L93] 0 B = create_fresh_int_array(N) VAL [A={3:0}, B={-7:0}, M=2, N=3, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L95] CALL 0 assume_abort_if_not(M >= 0 && M < N) [L37] COND FALSE 0 !(!cond) VAL [A={3:0}, B={-7:0}, M=2, N=3, \old(cond)=1, cond=1, res1=0, res2=0] [L95] RET 0 assume_abort_if_not(M >= 0 && M < N) [L98] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [A={3:0}, B={-7:0}, M=2, N=3, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L99] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [A={3:0}, B={-7:0}, M=2, N=3, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L100] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [A={3:0}, B={-7:0}, M=2, N=3, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L101] 0 \read(t1) VAL [A={3:0}, B={-7:0}, M=2, N=3, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}] [L48] 1 int i=0; VAL [A={3:0}, B={-7:0}, M=2, N=3, i=0, res1=0, res2=0] [L48] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L123] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L124] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 1 return a + b; [L50] RET, EXPR 1 plus(A[i], B[i]) [L50] CALL, EXPR 1 plus(res1, plus(A[i], B[i])) [L123] CALL 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L123] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L124] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 1 return a + b; [L50] RET, EXPR 1 plus(res1, plus(A[i], B[i])) [L50] 1 int tmp = plus(res1, plus(A[i], B[i])); [L53] 1 res1 = tmp VAL [A={3:0}, B={-7:0}, M=2, N=3, i=0, res1=9, res2=0, tmp=9] [L48] 1 i++ VAL [A={3:0}, B={-7:0}, M=2, N=3, i=1, res1=9, res2=0, tmp=9] [L48] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L123] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L124] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 1 return a + b; [L50] RET, EXPR 1 plus(A[i], B[i]) [L50] CALL, EXPR 1 plus(res1, plus(A[i], B[i])) [L123] CALL 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L123] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L124] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 1 return a + b; [L50] RET, EXPR 1 plus(res1, plus(A[i], B[i])) [L50] 1 int tmp = plus(res1, plus(A[i], B[i])); [L53] 1 res1 = tmp VAL [A={3:0}, B={-7:0}, M=2, N=3, i=1, res1=15, res2=0, tmp=15] [L48] 1 i++ VAL [A={3:0}, B={-7:0}, M=2, N=3, i=2, res1=15, res2=0, tmp=15] [L48] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L123] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L124] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 1 return a + b; [L50] RET, EXPR 1 plus(A[i], B[i]) [L50] CALL, EXPR 1 plus(res1, plus(A[i], B[i])) [L123] CALL 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L123] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L124] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 1 return a + b; [L50] RET, EXPR 1 plus(res1, plus(A[i], B[i])) [L50] 1 int tmp = plus(res1, plus(A[i], B[i])); [L53] 1 res1 = tmp VAL [A={3:0}, B={-7:0}, M=2, N=3, i=2, res1=-14, res2=0, tmp=-14] [L48] 1 i++ VAL [A={3:0}, B={-7:0}, M=2, N=3, i=3, res1=-14, res2=0, tmp=-14] [L48] COND FALSE 1 !(i= 0 || a >= -2147483648 - b) [L37] COND FALSE 2 !(!cond) [L123] RET 2 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 2 !(!cond) [L124] RET 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 2 return a + b; [L63] RET, EXPR 2 plus(A[i], B[i]) [L63] CALL, EXPR 2 plus(res2, plus(A[i], B[i])) [L123] CALL 2 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L37] COND FALSE 2 !(!cond) [L123] RET 2 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 2 !(!cond) [L124] RET 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 2 return a + b; [L63] RET, EXPR 2 plus(res2, plus(A[i], B[i])) [L63] 2 int tmp = plus(res2, plus(A[i], B[i])); [L74] 3 int i=M; VAL [A={3:0}, B={-7:0}, M=2, N=3, i=2, res1=-14, res2=0] [L74] COND TRUE 3 i= 0 || a >= -2147483648 - b) [L37] COND FALSE 3 !(!cond) [L123] RET 3 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 3 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 3 !(!cond) [L124] RET 3 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 3 return a + b; [L76] RET, EXPR 3 plus(A[i], B[i]) [L76] CALL, EXPR 3 plus(res2, plus(A[i], B[i])) [L123] CALL 3 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L37] COND FALSE 3 !(!cond) [L123] RET 3 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 3 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 3 !(!cond) [L124] RET 3 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 3 return a + b; [L76] RET, EXPR 3 plus(res2, plus(A[i], B[i])) [L76] 3 int tmp = plus(res2, plus(A[i], B[i])); [L66] 2 res2 = tmp VAL [A={3:0}, B={-7:0}, M=2, N=3, i=0, res1=-14, res2=9, tmp=9] [L61] 2 i++ VAL [A={3:0}, B={-7:0}, M=2, N=3, i=1, res1=-14, res2=9, tmp=9] [L61] COND TRUE 2 i= 0 || a >= -2147483648 - b) [L37] COND FALSE 2 !(!cond) [L123] RET 2 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 2 !(!cond) [L124] RET 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 2 return a + b; [L63] RET, EXPR 2 plus(A[i], B[i]) [L63] CALL, EXPR 2 plus(res2, plus(A[i], B[i])) [L123] CALL 2 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L37] COND FALSE 2 !(!cond) [L123] RET 2 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L124] CALL 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 2 !(!cond) [L124] RET 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L125] 2 return a + b; [L63] RET, EXPR 2 plus(res2, plus(A[i], B[i])) [L63] 2 int tmp = plus(res2, plus(A[i], B[i])); [L66] 2 res2 = tmp VAL [A={3:0}, B={-7:0}, M=2, N=3, i=1, res1=-14, res2=-23, tmp=-23] [L61] 2 i++ VAL [A={3:0}, B={-7:0}, M=2, N=3, i=2, res1=-14, res2=-23, tmp=-23] [L61] COND FALSE 2 !(i