/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-buffer-series2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 16:34:06,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 16:34:06,204 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 16:34:06,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 16:34:06,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 16:34:06,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 16:34:06,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 16:34:06,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 16:34:06,230 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 16:34:06,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 16:34:06,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 16:34:06,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 16:34:06,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 16:34:06,231 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 16:34:06,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 16:34:06,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 16:34:06,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 16:34:06,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 16:34:06,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 16:34:06,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 16:34:06,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 16:34:06,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 16:34:06,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 16:34:06,234 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 16:34:06,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 16:34:06,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 16:34:06,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 16:34:06,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 16:34:06,235 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 16:34:06,235 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 16:34:06,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:34:06,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 16:34:06,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 16:34:06,236 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 16:34:06,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 16:34:06,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 16:34:06,237 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 16:34:06,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 16:34:06,237 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 16:34:06,237 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 16:34:06,237 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 16:34:06,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 16:34:06,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 16:34:06,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 16:34:06,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 16:34:06,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 16:34:06,426 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 16:34:06,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2024-05-30 16:34:07,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 16:34:07,708 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 16:34:07,709 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series2.wvr.c [2024-05-30 16:34:07,720 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cae12e941/7e42fab6e3f348c4b5efdba97b2080a1/FLAG91866e12e [2024-05-30 16:34:07,739 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cae12e941/7e42fab6e3f348c4b5efdba97b2080a1 [2024-05-30 16:34:07,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 16:34:07,742 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 16:34:07,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 16:34:07,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 16:34:07,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 16:34:07,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:34:07" (1/1) ... [2024-05-30 16:34:07,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2072c02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:07, skipping insertion in model container [2024-05-30 16:34:07,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:34:07" (1/1) ... [2024-05-30 16:34:07,778 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 16:34:08,068 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-buffer-series2.wvr.c[4232,4245] [2024-05-30 16:34:08,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:34:08,082 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 16:34:08,105 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-buffer-series2.wvr.c[4232,4245] [2024-05-30 16:34:08,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:34:08,129 INFO L206 MainTranslator]: Completed translation [2024-05-30 16:34:08,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:08 WrapperNode [2024-05-30 16:34:08,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 16:34:08,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 16:34:08,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 16:34:08,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 16:34:08,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:08" (1/1) ... [2024-05-30 16:34:08,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:08" (1/1) ... [2024-05-30 16:34:08,175 INFO L138 Inliner]: procedures = 27, calls = 83, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 356 [2024-05-30 16:34:08,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 16:34:08,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 16:34:08,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 16:34:08,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 16:34:08,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:08" (1/1) ... [2024-05-30 16:34:08,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:08" (1/1) ... [2024-05-30 16:34:08,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:08" (1/1) ... [2024-05-30 16:34:08,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:08" (1/1) ... [2024-05-30 16:34:08,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:08" (1/1) ... [2024-05-30 16:34:08,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:08" (1/1) ... [2024-05-30 16:34:08,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:08" (1/1) ... [2024-05-30 16:34:08,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:08" (1/1) ... [2024-05-30 16:34:08,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 16:34:08,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 16:34:08,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 16:34:08,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 16:34:08,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:08" (1/1) ... [2024-05-30 16:34:08,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:34:08,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:34:08,228 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 16:34:08,242 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 16:34:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 16:34:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 16:34:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 16:34:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 16:34:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 16:34:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 16:34:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 16:34:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 16:34:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-30 16:34:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-30 16:34:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-30 16:34:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-30 16:34:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 16:34:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 16:34:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 16:34:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-30 16:34:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 16:34:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 16:34:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 16:34:08,283 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 16:34:08,425 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 16:34:08,426 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 16:34:08,763 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 16:34:08,892 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 16:34:08,893 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2024-05-30 16:34:08,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:34:08 BoogieIcfgContainer [2024-05-30 16:34:08,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 16:34:08,895 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 16:34:08,895 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 16:34:08,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 16:34:08,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 04:34:07" (1/3) ... [2024-05-30 16:34:08,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db8c5bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:34:08, skipping insertion in model container [2024-05-30 16:34:08,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:34:08" (2/3) ... [2024-05-30 16:34:08,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db8c5bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:34:08, skipping insertion in model container [2024-05-30 16:34:08,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:34:08" (3/3) ... [2024-05-30 16:34:08,901 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series2.wvr.c [2024-05-30 16:34:08,908 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 16:34:08,916 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 16:34:08,916 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 16:34:08,916 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 16:34:08,978 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-30 16:34:09,021 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:34:09,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 16:34:09,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:34:09,024 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 16:34:09,058 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 16:34:09,095 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 16:34:09,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 16:34:09,110 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;@7fdcf289, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:34:09,110 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 16:34:09,119 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:34:09,398 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:09,398 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:09,398 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:09,518 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:09,519 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:09,519 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:09,566 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:09,566 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:09,566 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:09,606 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:09,607 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:09,607 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:09,647 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:09,648 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:09,648 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:09,746 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:09,746 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:09,746 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:09,746 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:09,746 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:09,747 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:09,781 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:09,782 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:09,782 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:09,901 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:09,901 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:09,901 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:09,929 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:09,929 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:09,929 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:09,956 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:09,957 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:09,957 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,014 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,015 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,015 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,023 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,024 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,024 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,042 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,042 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,042 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,132 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,132 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,132 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,171 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,171 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,171 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,234 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,234 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,234 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,293 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,293 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,294 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,311 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,312 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,312 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,340 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,340 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,340 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,395 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,395 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,395 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,406 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,406 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,406 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,418 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,419 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,419 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,438 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,438 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,439 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,444 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,444 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,445 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,460 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,460 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,460 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,513 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,513 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,513 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,527 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,528 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,528 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,543 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,543 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,543 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,566 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,567 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,567 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,573 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,573 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,573 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,584 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,584 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,584 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,625 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,625 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,625 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,641 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,641 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,642 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,658 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,658 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,659 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,683 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,685 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,686 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,692 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,697 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,697 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,707 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,707 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,707 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,802 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,802 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,816 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,854 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,854 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,854 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,890 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,890 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,890 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,920 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,920 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,921 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,930 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,931 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,931 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,941 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,942 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,942 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,942 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,942 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,942 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:10,983 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:10,983 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:10,983 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,001 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,001 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,001 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,023 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,023 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,023 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,048 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,048 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,048 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,055 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,055 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,055 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,086 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,087 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,087 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,105 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,106 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,106 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,130 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,131 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,131 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,158 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,158 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,159 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,204 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,204 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,204 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,207 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,207 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,208 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,247 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,247 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,247 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,283 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,284 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,284 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,298 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,298 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,298 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,338 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,339 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,339 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,361 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,362 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,362 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,390 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,391 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,391 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,391 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,391 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,391 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,415 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,416 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,416 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,468 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,468 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,468 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,476 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,476 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,476 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,485 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,485 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,485 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,495 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,496 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,496 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,511 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,511 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,511 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,525 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,526 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,526 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,526 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,526 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,526 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,549 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,550 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,550 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,576 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,576 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,576 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,588 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,588 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,588 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,629 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,629 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,629 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,642 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,642 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,643 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,661 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,662 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,662 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,662 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,662 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,662 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,686 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,686 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,686 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,711 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,711 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,711 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,721 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,721 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,721 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,733 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,733 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,733 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,746 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,746 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,746 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,765 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,765 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,765 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,766 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,766 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,766 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,790 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,790 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,790 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,815 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,816 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,816 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,827 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,827 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,827 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,839 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,839 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,839 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,893 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,893 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,893 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,911 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,911 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,911 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,911 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,911 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,911 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,935 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,935 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,935 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,959 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,960 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,960 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,970 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,970 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,970 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,981 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,981 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,981 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:11,994 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:11,994 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:11,994 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,011 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,012 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,012 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,012 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,012 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,012 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,037 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,037 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,037 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,063 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,063 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,063 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,075 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,075 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,075 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,093 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,093 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,093 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,136 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,136 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,137 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,158 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,158 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,158 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,158 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,158 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,158 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,193 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,194 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,194 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,224 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,224 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,224 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,240 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,240 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,240 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,257 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,257 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,257 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,275 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,275 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,275 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,298 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,298 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,299 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,299 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,299 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,299 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,331 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,331 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,331 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,331 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,331 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,332 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,402 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,402 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,402 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,430 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,430 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,430 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,456 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,456 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,456 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,482 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,483 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,483 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,517 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,517 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,517 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,518 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,518 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,518 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,548 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,548 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,548 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,657 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,657 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,657 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,683 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,683 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,683 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,709 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,709 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,709 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,748 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,749 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,749 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,774 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,774 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,775 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,802 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,802 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,803 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,829 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,829 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,829 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,836 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,836 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,836 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,848 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:12,849 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:12,849 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:12,864 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1106 states. [2024-05-30 16:34:12,864 INFO L212 cStratifiedReduction]: Copied states 44 times. [2024-05-30 16:34:12,867 INFO L78 Accepts]: Start accepts. Automaton has currently 1688 states, but on-demand construction may add more states Word has length 216 [2024-05-30 16:34:12,870 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:34:12,871 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:34:12,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:34:12,875 INFO L85 PathProgramCache]: Analyzing trace with hash 792598068, now seen corresponding path program 1 times [2024-05-30 16:34:12,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:34:12,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488457492] [2024-05-30 16:34:12,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:34:12,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:34:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:34:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-30 16:34:13,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:34:13,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488457492] [2024-05-30 16:34:13,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488457492] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:34:13,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:34:13,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 16:34:13,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204675783] [2024-05-30 16:34:13,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:34:13,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 16:34:13,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:34:13,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 16:34:13,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 16:34:13,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:13,196 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:34:13,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:34:13,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:13,198 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:34:13,252 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,252 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,252 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,276 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,277 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,277 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,289 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,290 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,290 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,303 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,303 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,303 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,317 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,317 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,317 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,335 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,336 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,336 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,336 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,336 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,336 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,352 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,352 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,352 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,397 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,397 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,397 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,411 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,411 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,412 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,427 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,427 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,427 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,448 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,448 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,448 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,455 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,455 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,455 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,462 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,462 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,463 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,516 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,517 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,517 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,540 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,540 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,540 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,564 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,564 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,564 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,593 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,593 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,593 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,602 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,602 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,602 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,667 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,668 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,668 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,709 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,710 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,710 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,731 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,731 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,731 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,740 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,743 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,743 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,757 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,757 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,757 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,761 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,761 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,761 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,767 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,767 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,767 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,797 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,797 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,797 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,807 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,807 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,807 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,829 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,830 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,830 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,845 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,846 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,846 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,851 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,851 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,851 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,856 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,856 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,856 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,897 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,897 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,897 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,915 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,915 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,915 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,941 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,942 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,942 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,960 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,961 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,961 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,966 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,966 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,967 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:13,973 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:13,973 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:13,973 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,013 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,014 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,014 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,032 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,032 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,032 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,050 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,050 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,050 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,073 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,073 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,073 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,080 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,080 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,080 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,087 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,087 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,087 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,087 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,087 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,087 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,120 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,120 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,120 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,134 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,134 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,134 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,202 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,202 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,202 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,226 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,227 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,227 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,233 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,233 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,233 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,242 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,243 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,243 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,260 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,260 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,262 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,285 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,286 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,286 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,310 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,310 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,310 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,346 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,346 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,346 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,349 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,349 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,349 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,373 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,373 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,373 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,396 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,396 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,396 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,408 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,408 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,408 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,420 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,420 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,420 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,433 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,433 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,433 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,451 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,451 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,451 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,451 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,451 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,451 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,466 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,466 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,466 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,512 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,512 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,512 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,518 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,518 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,518 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,526 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,526 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,526 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,535 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,535 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,535 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,548 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,548 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,548 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,559 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,559 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,560 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,560 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,560 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,560 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,580 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,580 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,580 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,692 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,692 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,692 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,705 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,705 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,705 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,719 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,719 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,719 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,734 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,734 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,734 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,755 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,755 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,755 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,756 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,756 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,756 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,784 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,785 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,785 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,821 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,821 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,821 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,834 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,834 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,834 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,848 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,848 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,848 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,863 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,863 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,863 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,884 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,884 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,884 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,884 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,884 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,884 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,913 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,913 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,913 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,942 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,942 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,942 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,955 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,955 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,955 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,969 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,970 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,970 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:14,986 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:14,986 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:14,986 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,007 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,008 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,008 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,008 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,008 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,008 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,037 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,037 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,038 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,066 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,067 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,067 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,079 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,079 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,079 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,093 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,093 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,093 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,108 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,108 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,108 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,129 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,129 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,129 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,129 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,129 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,130 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,159 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,160 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,160 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,190 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,190 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,190 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,203 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,203 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,203 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,218 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,218 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,218 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,233 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,234 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,234 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,256 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,256 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,256 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,256 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,256 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,256 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,298 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,298 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,298 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,425 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,426 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,426 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,447 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,447 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,447 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,462 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,462 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,462 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,478 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,478 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,478 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,497 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,498 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,498 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,498 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,498 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,498 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,526 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,526 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,526 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,526 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,526 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,526 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,554 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,554 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,554 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,577 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,578 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,578 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,594 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,594 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,594 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,614 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,614 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,614 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,636 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,636 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,636 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,636 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,636 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,636 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,656 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,656 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,656 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,731 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,731 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,732 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,748 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,748 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,748 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,764 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,764 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,764 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,781 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,781 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,781 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,797 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,797 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,797 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,814 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,814 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,814 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,836 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,836 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,836 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,843 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,843 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,843 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,852 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:15,852 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:15,852 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:15,870 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1256 states. [2024-05-30 16:34:15,870 INFO L212 cStratifiedReduction]: Copied states 44 times. [2024-05-30 16:34:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:15,870 INFO L78 Accepts]: Start accepts. Automaton has currently 1974 states, but on-demand construction may add more states Word has length 208 [2024-05-30 16:34:15,874 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:34:15,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 16:34:15,875 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:34:15,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:34:15,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1387333534, now seen corresponding path program 1 times [2024-05-30 16:34:15,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:34:15,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965417269] [2024-05-30 16:34:15,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:34:15,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:34:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:34:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:34:16,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:34:16,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965417269] [2024-05-30 16:34:16,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965417269] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:34:16,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:34:16,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-30 16:34:16,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868274826] [2024-05-30 16:34:16,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:34:16,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-30 16:34:16,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:34:16,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-30 16:34:16,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-30 16:34:16,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:16,169 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:34:16,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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 16:34:16,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:16,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:16,170 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:34:16,252 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,253 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,253 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,262 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,262 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,262 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,272 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,273 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,273 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,284 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,284 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,284 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,422 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,423 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,423 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,433 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,433 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,433 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,433 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,433 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,434 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,453 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,453 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,453 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,474 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,474 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,474 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,483 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,483 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,483 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,493 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,493 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,493 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,504 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,504 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,504 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,519 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,519 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,519 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,519 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,519 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,519 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,540 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,540 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,540 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,560 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,561 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,561 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,569 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,569 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,569 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,579 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,579 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,579 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,589 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,589 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,589 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,604 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,604 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,604 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,604 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,604 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,604 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,625 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,625 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,625 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,646 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,646 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,646 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,655 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,655 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,655 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,665 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,665 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,666 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,676 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,677 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,677 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,692 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,692 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,692 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,692 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,692 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,692 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,713 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,713 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,713 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,733 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,734 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,734 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,742 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,742 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,742 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,752 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,752 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,752 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,763 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,763 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,763 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,778 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,778 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,778 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,778 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,778 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,778 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,800 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,800 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,800 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,821 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,821 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,821 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,830 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,831 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,831 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,841 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,841 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,841 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,852 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,852 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,852 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,867 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,868 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,868 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,868 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,868 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,868 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,898 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,898 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,898 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,924 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,924 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,924 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,938 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,938 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,938 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,953 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,953 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,953 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:16,973 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:16,973 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:16,973 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,001 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,001 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,001 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,001 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,001 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,001 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,034 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,034 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,034 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,064 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,064 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,065 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,079 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,080 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,080 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,094 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,094 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,094 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,106 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,106 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,107 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,124 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,124 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,124 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,124 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,124 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,124 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,148 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,148 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,148 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,148 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,148 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,148 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,176 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,176 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,176 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,279 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,279 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,279 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,295 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,295 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,295 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,312 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,313 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,313 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,333 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,333 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,333 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,333 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,333 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,333 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,355 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,356 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,356 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,438 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,439 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,439 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,454 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,455 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,455 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,470 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,470 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,470 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,486 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,486 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,486 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,502 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,502 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,502 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,518 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,519 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,519 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,542 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,543 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,543 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,550 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,550 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,550 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,559 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,559 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,559 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,576 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 885 states. [2024-05-30 16:34:17,577 INFO L212 cStratifiedReduction]: Copied states 15 times. [2024-05-30 16:34:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:17,577 INFO L78 Accepts]: Start accepts. Automaton has currently 1373 states, but on-demand construction may add more states Word has length 211 [2024-05-30 16:34:17,578 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:34:17,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 16:34:17,578 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:34:17,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:34:17,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1563416811, now seen corresponding path program 2 times [2024-05-30 16:34:17,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:34:17,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258073066] [2024-05-30 16:34:17,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:34:17,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:34:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:34:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-30 16:34:17,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:34:17,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258073066] [2024-05-30 16:34:17,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258073066] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:34:17,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:34:17,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-30 16:34:17,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194475638] [2024-05-30 16:34:17,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:34:17,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-30 16:34:17,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:34:17,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-30 16:34:17,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-30 16:34:17,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:17,715 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:34:17,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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 16:34:17,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:17,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:17,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:17,715 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:34:17,835 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,836 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,836 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,851 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,852 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,852 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,868 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,868 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,868 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,884 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,884 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,884 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,899 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,899 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,899 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,917 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,917 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,917 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,937 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,937 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,937 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,955 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,955 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,955 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,958 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,958 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,958 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,967 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:17,967 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:17,967 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:17,982 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 446 states. [2024-05-30 16:34:17,982 INFO L212 cStratifiedReduction]: Copied states 7 times. [2024-05-30 16:34:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:17,982 INFO L78 Accepts]: Start accepts. Automaton has currently 518 states, but on-demand construction may add more states Word has length 214 [2024-05-30 16:34:17,983 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:34:17,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 16:34:17,983 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:34:17,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:34:17,984 INFO L85 PathProgramCache]: Analyzing trace with hash 2141957416, now seen corresponding path program 3 times [2024-05-30 16:34:17,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:34:17,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850757570] [2024-05-30 16:34:17,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:34:17,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:34:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:34:18,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-30 16:34:18,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:34:18,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850757570] [2024-05-30 16:34:18,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850757570] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:34:18,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:34:18,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 16:34:18,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143514395] [2024-05-30 16:34:18,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:34:18,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 16:34:18,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:34:18,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 16:34:18,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-30 16:34:18,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:18,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:34:18,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.0) internal successors, (210), 6 states have internal predecessors, (210), 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 16:34:18,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:18,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:18,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:18,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:18,161 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:34:18,325 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:18,326 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:18,326 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:18,342 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:18,342 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:18,342 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:18,358 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:18,358 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:18,358 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:18,478 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:18,478 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:18,478 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:18,499 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:18,500 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:18,500 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:18,522 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:18,522 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:18,522 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:18,550 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:18,551 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:18,551 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:18,574 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:18,574 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:18,574 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:18,579 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:18,579 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:18,579 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:18,591 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:18,591 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:18,591 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:18,611 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 454 states. [2024-05-30 16:34:18,611 INFO L212 cStratifiedReduction]: Copied states 7 times. [2024-05-30 16:34:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:18,611 INFO L78 Accepts]: Start accepts. Automaton has currently 526 states, but on-demand construction may add more states Word has length 222 [2024-05-30 16:34:18,612 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:34:18,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 16:34:18,612 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:34:18,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:34:18,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1736519191, now seen corresponding path program 1 times [2024-05-30 16:34:18,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:34:18,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370553891] [2024-05-30 16:34:18,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:34:18,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:34:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:34:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-30 16:34:18,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:34:18,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370553891] [2024-05-30 16:34:18,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370553891] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:34:18,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:34:18,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 16:34:18,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172731327] [2024-05-30 16:34:18,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:34:18,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 16:34:18,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:34:18,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 16:34:18,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-30 16:34:18,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:18,810 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:34:18,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.666666666666664) internal successors, (220), 6 states have internal predecessors, (220), 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 16:34:18,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:18,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:18,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:18,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:18,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:18,811 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:34:19,007 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:19,009 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:19,009 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:19,031 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:19,031 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:19,031 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:19,053 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:19,054 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:19,054 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:19,077 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:19,078 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:19,078 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:19,101 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:19,101 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:19,101 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:19,125 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:19,125 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:19,125 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:19,155 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:19,155 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:19,155 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:19,179 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:19,179 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:19,179 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:19,184 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:19,184 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:19,184 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:19,195 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:19,195 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:19,195 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:19,215 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 462 states. [2024-05-30 16:34:19,215 INFO L212 cStratifiedReduction]: Copied states 7 times. [2024-05-30 16:34:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:19,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:19,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:19,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:19,216 INFO L78 Accepts]: Start accepts. Automaton has currently 534 states, but on-demand construction may add more states Word has length 230 [2024-05-30 16:34:19,217 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:34:19,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-30 16:34:19,217 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:34:19,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:34:19,217 INFO L85 PathProgramCache]: Analyzing trace with hash 455101703, now seen corresponding path program 1 times [2024-05-30 16:34:19,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:34:19,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601580226] [2024-05-30 16:34:19,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:34:19,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:34:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:34:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-30 16:34:19,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:34:19,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601580226] [2024-05-30 16:34:19,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601580226] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:34:19,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947529090] [2024-05-30 16:34:19,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:34:19,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:34:19,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:34:19,590 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 16:34:19,617 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 16:34:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:34:19,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-30 16:34:19,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:34:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-30 16:34:19,943 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:34:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-30 16:34:20,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947529090] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:34:20,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:34:20,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-30 16:34:20,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890029253] [2024-05-30 16:34:20,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:34:20,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-30 16:34:20,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:34:20,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-30 16:34:20,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-05-30 16:34:20,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:20,197 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:34:20,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.263157894736842) internal successors, (290), 19 states have internal predecessors, (290), 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 16:34:20,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:20,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:20,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:20,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:20,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:20,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:20,198 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:34:20,580 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:20,580 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:20,580 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:20,603 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:20,603 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:20,603 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:20,625 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:20,626 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:20,626 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:20,648 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:20,649 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:20,649 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:20,671 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:20,671 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:20,671 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:20,788 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:20,788 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:20,788 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:20,839 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:20,839 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:20,839 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:20,874 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:20,874 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:20,874 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:20,903 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:20,903 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:20,903 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:20,926 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:20,927 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:20,927 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:20,961 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 471 states. [2024-05-30 16:34:20,962 INFO L212 cStratifiedReduction]: Copied states 7 times. [2024-05-30 16:34:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:34:20,962 INFO L78 Accepts]: Start accepts. Automaton has currently 543 states, but on-demand construction may add more states Word has length 238 [2024-05-30 16:34:20,963 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:34:20,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-30 16:34:21,168 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,SelfDestructingSolverStorable5 [2024-05-30 16:34:21,169 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:34:21,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:34:21,169 INFO L85 PathProgramCache]: Analyzing trace with hash -158593034, now seen corresponding path program 2 times [2024-05-30 16:34:21,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:34:21,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638715249] [2024-05-30 16:34:21,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:34:21,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:34:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:34:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-30 16:34:21,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:34:21,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638715249] [2024-05-30 16:34:21,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638715249] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:34:21,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400021430] [2024-05-30 16:34:21,502 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:34:21,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:34:21,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:34:21,503 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 16:34:21,548 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 16:34:21,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:34:21,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:34:21,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 7 conjunts are in the unsatisfiable core [2024-05-30 16:34:21,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:34:21,897 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-30 16:34:21,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:34:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-30 16:34:22,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400021430] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:34:22,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:34:22,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2024-05-30 16:34:22,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70149169] [2024-05-30 16:34:22,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:34:22,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-30 16:34:22,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:34:22,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-30 16:34:22,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-05-30 16:34:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:22,117 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:34:22,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 30.307692307692307) internal successors, (394), 13 states have internal predecessors, (394), 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 16:34:22,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:22,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:22,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:22,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:22,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:22,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:34:22,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:22,118 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:34:22,446 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,446 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,446 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,474 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,474 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,474 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,501 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,501 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,501 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,529 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,529 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,529 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,551 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,551 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,551 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,555 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,556 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,556 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,565 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,565 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,565 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,629 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,629 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,629 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,638 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,638 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,638 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,647 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,647 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,647 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,656 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,657 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,657 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,665 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,665 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,665 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,675 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,675 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,675 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,689 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,689 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,689 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,700 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,700 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,700 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,703 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,703 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,703 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,708 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,708 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,708 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,750 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,751 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,751 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,767 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,768 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,768 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,784 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,784 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,784 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,801 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,801 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,801 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,817 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,818 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,818 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,834 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,834 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,835 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,856 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,856 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,856 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,874 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,875 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,875 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,878 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,879 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,879 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,887 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:22,887 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:22,887 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:34:22,909 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 608 states. [2024-05-30 16:34:22,909 INFO L212 cStratifiedReduction]: Copied states 18 times. [2024-05-30 16:34:22,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:22,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:22,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:22,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:22,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:22,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:34:22,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-30 16:34:22,910 INFO L78 Accepts]: Start accepts. Automaton has currently 752 states, but on-demand construction may add more states Word has length 249 [2024-05-30 16:34:22,911 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:34:22,916 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 16:34:23,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:34:23,119 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:34:23,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:34:23,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1373515325, now seen corresponding path program 3 times [2024-05-30 16:34:23,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:34:23,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491377793] [2024-05-30 16:34:23,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:34:23,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:34:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:34:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-05-30 16:34:23,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:34:23,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491377793] [2024-05-30 16:34:23,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491377793] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:34:23,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316157423] [2024-05-30 16:34:23,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:34:23,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:34:23,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:34:23,485 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 16:34:23,507 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 16:34:23,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-05-30 16:34:23,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:34:23,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-30 16:34:23,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:34:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-30 16:34:23,744 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-30 16:34:23,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316157423] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:34:23,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-30 16:34:23,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-05-30 16:34:23,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142151868] [2024-05-30 16:34:23,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:34:23,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 16:34:23,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:34:23,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 16:34:23,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-05-30 16:34:23,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:23,745 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:34:23,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 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 16:34:23,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:23,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:23,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:23,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:23,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:23,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:34:23,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-30 16:34:23,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:23,746 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:34:23,957 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:23,957 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:23,957 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:23,976 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:23,977 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:23,977 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,012 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,012 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,013 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,049 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,049 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,049 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,100 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,100 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,100 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,139 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,139 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,139 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,139 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,139 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:24,139 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,233 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,233 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,233 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,255 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,255 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,255 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,287 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,288 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,288 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,442 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,442 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:24,442 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,463 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,463 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,463 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,509 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,509 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,509 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,660 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,660 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:24,660 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,706 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,707 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,707 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,736 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,736 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,736 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,750 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,750 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,750 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,770 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,770 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,770 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,870 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,870 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:24,870 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,965 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,966 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,966 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,985 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,985 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,985 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:24,986 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:24,986 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:24,986 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,004 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,004 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,004 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,075 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,075 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:25,075 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,080 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,080 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,080 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,092 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,092 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,092 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,104 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,104 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,104 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,117 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,117 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,117 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,128 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,129 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,129 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,140 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,141 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,141 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,159 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,159 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,159 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,173 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,173 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,173 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,173 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,173 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:25,173 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,209 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,209 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,209 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,218 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,218 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,218 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,232 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,232 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,233 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,281 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,282 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:25,282 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,289 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,289 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,289 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,312 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,312 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,312 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,314 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,314 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:25,314 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,338 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,338 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,338 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,358 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,358 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,358 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,367 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,367 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,367 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,382 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,382 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,382 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,451 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,451 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:25,451 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,490 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,490 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,490 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,503 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,503 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,503 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,504 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,504 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:25,504 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,514 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,514 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,514 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,588 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,588 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,588 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,608 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,608 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,608 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,627 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,627 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,627 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,646 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,646 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,646 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,665 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,665 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,665 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,685 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,685 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,685 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,711 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,711 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,711 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,732 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,732 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,732 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,743 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,743 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,743 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,779 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,779 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,779 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,839 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,839 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,840 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,968 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,969 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,969 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,988 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,989 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,989 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,989 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:25,989 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:25,989 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:26,022 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1097 states. [2024-05-30 16:34:26,023 INFO L212 cStratifiedReduction]: Copied states 216 times. [2024-05-30 16:34:26,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:26,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:26,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:26,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:26,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:26,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:34:26,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-30 16:34:26,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:34:26,023 INFO L78 Accepts]: Start accepts. Automaton has currently 1282 states, but on-demand construction may add more states Word has length 252 [2024-05-30 16:34:26,024 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:34:26,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-30 16:34:26,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:34:26,235 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:34:26,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:34:26,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1179293472, now seen corresponding path program 4 times [2024-05-30 16:34:26,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:34:26,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369642445] [2024-05-30 16:34:26,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:34:26,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:34:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:34:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-05-30 16:34:26,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:34:26,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369642445] [2024-05-30 16:34:26,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369642445] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:34:26,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:34:26,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 16:34:26,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119254450] [2024-05-30 16:34:26,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:34:26,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 16:34:26,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:34:26,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 16:34:26,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-05-30 16:34:26,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:26,854 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:34:26,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 28.125) internal successors, (225), 8 states have internal predecessors, (225), 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 16:34:26,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:26,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:26,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:26,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:26,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:26,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:34:26,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-30 16:34:26,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:34:26,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:26,854 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:34:27,090 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,090 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:27,090 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,103 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,103 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,103 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,129 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,129 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,129 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,153 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,153 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,153 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,184 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,185 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,185 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,210 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,210 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,210 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,211 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,211 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:27,211 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,281 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,282 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,282 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,296 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,296 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,296 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,315 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,315 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,315 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,412 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,412 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:27,412 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,427 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,427 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,427 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,464 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,465 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,465 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,470 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,470 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:27,470 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,516 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,516 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,516 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,549 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,549 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,549 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,563 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,563 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,563 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,583 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,583 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,583 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,673 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,673 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:27,673 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,940 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,940 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,940 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,965 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,965 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,965 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,965 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,965 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:27,965 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,988 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:27,988 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:27,988 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,080 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,080 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:28,080 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,087 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,087 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,087 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,102 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,103 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,103 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,118 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,118 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,118 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,133 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,134 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,134 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,148 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,148 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,148 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,164 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,164 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,164 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,189 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,189 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,189 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,207 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,207 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,207 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,207 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,208 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:28,208 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,252 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,252 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,252 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,264 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,264 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,264 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,283 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,283 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,283 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,346 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,346 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:28,346 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,356 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,356 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,356 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,385 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,385 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,385 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,388 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,388 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:28,388 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,419 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,420 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,420 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,445 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,445 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,445 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,457 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,457 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,457 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,476 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,476 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,476 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,596 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,596 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:28,596 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,646 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,646 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,646 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,663 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,663 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,663 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,664 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,664 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:28,664 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,677 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,677 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,677 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,759 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,759 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,759 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,785 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,785 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,785 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,994 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:28,994 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:28,994 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,013 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:29,013 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,013 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,031 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:29,031 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,031 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,050 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:29,050 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,050 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,075 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:29,075 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,075 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,096 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:29,096 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,096 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,106 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:29,106 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,106 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,140 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:29,140 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,140 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,198 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:29,198 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,198 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,321 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:29,321 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,321 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,339 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:29,339 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,339 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,339 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:29,339 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,340 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:29,372 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1105 states. [2024-05-30 16:34:29,372 INFO L212 cStratifiedReduction]: Copied states 216 times. [2024-05-30 16:34:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:34:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-30 16:34:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:34:29,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 16:34:29,373 INFO L78 Accepts]: Start accepts. Automaton has currently 1290 states, but on-demand construction may add more states Word has length 260 [2024-05-30 16:34:29,374 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:34:29,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-05-30 16:34:29,374 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:34:29,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:34:29,374 INFO L85 PathProgramCache]: Analyzing trace with hash 914010689, now seen corresponding path program 1 times [2024-05-30 16:34:29,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:34:29,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312488331] [2024-05-30 16:34:29,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:34:29,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:34:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:34:29,777 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-05-30 16:34:29,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:34:29,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312488331] [2024-05-30 16:34:29,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312488331] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:34:29,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997606621] [2024-05-30 16:34:29,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:34:29,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:34:29,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:34:29,792 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 16:34:29,796 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 16:34:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:34:29,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-30 16:34:29,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:34:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-30 16:34:30,443 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:34:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-05-30 16:34:30,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997606621] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:34:30,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:34:30,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 14] total 31 [2024-05-30 16:34:30,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387083072] [2024-05-30 16:34:30,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:34:30,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-30 16:34:30,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:34:30,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-30 16:34:30,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=813, Unknown=0, NotChecked=0, Total=930 [2024-05-30 16:34:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:30,779 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:34:30,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 16.06451612903226) internal successors, (498), 31 states have internal predecessors, (498), 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 16:34:30,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:30,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:30,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:30,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:34:30,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-30 16:34:30,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:34:30,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 16:34:30,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:30,783 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:34:31,559 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,560 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:31,560 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,572 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,572 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,572 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,595 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,595 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,595 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,619 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,619 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,619 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,649 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,649 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,649 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,674 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,674 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,675 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,675 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,675 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:31,675 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,734 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,734 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,734 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,747 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,747 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,747 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,767 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,767 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,767 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,849 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,849 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:31,849 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,863 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,863 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,863 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,896 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,896 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,896 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,900 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,900 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:31,900 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,944 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,944 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,944 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,974 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,974 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,974 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,987 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:31,987 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:31,987 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,007 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,007 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,007 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,215 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,215 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:32,215 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,278 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,279 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,279 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,297 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,297 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,297 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,297 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,297 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:32,297 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,315 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,315 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,315 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,391 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,391 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:32,391 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,395 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,395 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,396 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,407 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,407 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,407 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,418 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,418 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,418 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,430 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,430 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,430 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,441 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,441 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,441 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,453 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,453 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,453 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,472 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,472 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,472 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,485 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,485 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,485 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,485 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,485 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:32,485 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,525 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,526 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,526 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,537 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,537 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,537 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,552 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,552 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,552 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,599 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,599 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:32,599 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,606 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,606 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,606 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,628 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,628 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,628 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,630 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,630 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:32,630 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,653 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,653 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,653 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,672 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,672 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,672 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,681 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,681 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,681 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,695 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,695 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,695 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,761 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,761 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:32,762 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,800 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,800 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,800 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,812 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,812 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,813 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,813 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,813 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:34:32,813 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,823 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:32,823 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:32,823 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,028 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,028 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,029 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,048 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,048 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,048 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,070 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,070 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,070 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,089 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,089 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,089 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,108 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,108 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,108 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,127 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,127 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,127 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,151 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,151 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,151 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,171 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,171 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,171 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,181 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,181 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,181 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,231 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,231 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,231 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,331 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,331 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,331 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,455 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,455 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,455 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,473 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,473 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,473 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,473 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:34:33,474 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,474 INFO L395 cStratifiedReduction]: Actual level: [~q2_back~0, ~q2_front~0, thread4Thread1of1ForFork2_~cond~3#1] [2024-05-30 16:34:33,605 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1114 states. [2024-05-30 16:34:33,605 INFO L212 cStratifiedReduction]: Copied states 216 times. [2024-05-30 16:34:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:34:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 16:34:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:34:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 16:34:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-30 16:34:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:34:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 16:34:33,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-30 16:34:33,614 INFO L78 Accepts]: Start accepts. Automaton has currently 1299 states, but on-demand construction may add more states Word has length 268 [2024-05-30 16:34:33,615 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:34:33,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-30 16:34:33,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-30 16:34:33,820 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:34:33,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:34:33,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1261575266, now seen corresponding path program 2 times [2024-05-30 16:34:33,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:34:33,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808297166] [2024-05-30 16:34:33,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:34:33,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:34:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:34:38,785 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 16:34:38,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:34:38,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808297166] [2024-05-30 16:34:38,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808297166] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:34:38,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349581015] [2024-05-30 16:34:38,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:34:38,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:34:38,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:34:38,787 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:34:38,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 16:34:38,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:34:38,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:34:38,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 122 conjunts are in the unsatisfiable core [2024-05-30 16:34:38,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:34:41,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-05-30 16:34:42,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-05-30 16:34:43,390 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-30 16:34:43,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-05-30 16:34:43,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 16:34:44,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 16:34:44,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 16:34:44,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 16:34:45,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 16:34:45,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-30 16:34:46,668 INFO L349 Elim1Store]: treesize reduction 95, result has 58.1 percent of original size [2024-05-30 16:34:46,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 155 [2024-05-30 16:34:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-30 16:34:46,684 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:34:57,190 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:34:57,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 448 treesize of output 316 [2024-05-30 16:35:01,239 INFO L349 Elim1Store]: treesize reduction 18, result has 98.2 percent of original size [2024-05-30 16:35:01,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 157024206 treesize of output 153912226 [2024-05-30 16:35:15,190 WARN L293 SmtUtils]: Spent 13.89s on a formula simplification. DAG size of input: 9798 DAG size of output: 2225 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-05-30 16:35:15,253 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:35:15,284 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:35:16,282 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:35:16,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 7 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 59 case distinctions, treesize of input 150254 treesize of output 142002 [2024-05-30 16:35:19,242 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:35:19,245 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:35:19,313 INFO L224 Elim1Store]: Index analysis took 114 ms [2024-05-30 16:35:20,318 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:35:20,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 7 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 59 case distinctions, treesize of input 141166 treesize of output 139730 [2024-05-30 16:35:24,160 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:35:24,208 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:35:24,279 INFO L224 Elim1Store]: Index analysis took 142 ms [2024-05-30 16:35:25,497 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:35:25,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 7 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 59 case distinctions, treesize of input 138894 treesize of output 135186 [2024-05-30 16:35:30,194 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:35:30,199 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:35:30,273 INFO L224 Elim1Store]: Index analysis took 132 ms [2024-05-30 16:35:31,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:35:31,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 7 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 59 case distinctions, treesize of input 134350 treesize of output 117010 [2024-05-30 16:35:36,892 WARN L293 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 2913 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-05-30 16:35:36,978 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:35:37,027 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-30 16:35:37,103 INFO L224 Elim1Store]: Index analysis took 144 ms [2024-05-30 16:35:38,378 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 16:35:38,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 7 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 59 case distinctions, treesize of input 116174 treesize of output 80658 [2024-05-30 16:35:44,883 WARN L293 SmtUtils]: Spent 6.50s on a formula simplification that was a NOOP. DAG size: 3085 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-05-30 16:44:04,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-05-30 16:44:04,282 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-05-30 16:44:04,283 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-05-30 16:44:04,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-30 16:44:04,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:44:04,490 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:495) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 61 more [2024-05-30 16:44:04,494 INFO L158 Benchmark]: Toolchain (without parser) took 596751.99ms. Allocated memory was 182.5MB in the beginning and 3.9GB in the end (delta: 3.8GB). Free memory was 112.5MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2024-05-30 16:44:04,494 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory was 147.5MB in the beginning and 147.5MB in the end (delta: 71.9kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 16:44:04,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.14ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 112.4MB in the beginning and 180.8MB in the end (delta: -68.4MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2024-05-30 16:44:04,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.96ms. Allocated memory is still 220.2MB. Free memory was 180.8MB in the beginning and 178.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-30 16:44:04,495 INFO L158 Benchmark]: Boogie Preprocessor took 25.78ms. Allocated memory is still 220.2MB. Free memory was 178.2MB in the beginning and 175.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 16:44:04,495 INFO L158 Benchmark]: RCFGBuilder took 691.28ms. Allocated memory is still 220.2MB. Free memory was 175.5MB in the beginning and 116.8MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2024-05-30 16:44:04,495 INFO L158 Benchmark]: TraceAbstraction took 595598.75ms. Allocated memory was 220.2MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 115.8MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2024-05-30 16:44:04,496 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory was 147.5MB in the beginning and 147.5MB in the end (delta: 71.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 385.14ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 112.4MB in the beginning and 180.8MB in the end (delta: -68.4MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.96ms. Allocated memory is still 220.2MB. Free memory was 180.8MB in the beginning and 178.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.78ms. Allocated memory is still 220.2MB. Free memory was 178.2MB in the beginning and 175.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 691.28ms. Allocated memory is still 220.2MB. Free memory was 175.5MB in the beginning and 116.8MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. * TraceAbstraction took 595598.75ms. Allocated memory was 220.2MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 115.8MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-05-30 16:44:04,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...