/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 20:46:18,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 20:46:18,157 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 20:46:18,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 20:46:18,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 20:46:18,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 20:46:18,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 20:46:18,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 20:46:18,193 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 20:46:18,194 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 20:46:18,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 20:46:18,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 20:46:18,196 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 20:46:18,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 20:46:18,199 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 20:46:18,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 20:46:18,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 20:46:18,200 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 20:46:18,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 20:46:18,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 20:46:18,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 20:46:18,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 20:46:18,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 20:46:18,202 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 20:46:18,202 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 20:46:18,202 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 20:46:18,202 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 20:46:18,202 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 20:46:18,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 20:46:18,203 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 20:46:18,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 20:46:18,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 20:46:18,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 20:46:18,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 20:46:18,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 20:46:18,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 20:46:18,205 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 20:46:18,205 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 20:46:18,205 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 20:46:18,205 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 20:46:18,205 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 20:46:18,206 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 20:46:18,206 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 20:46:18,206 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 20:46:18,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 20:46:18,207 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 20:46:18,207 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 20:46:18,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 20:46:18,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 20:46:18,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 20:46:18,457 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 20:46:18,457 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 20:46:18,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2023-12-24 20:46:19,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 20:46:19,950 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 20:46:19,951 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2023-12-24 20:46:19,966 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526503b49/57f66e82161f426f80899ebfbcc3ab02/FLAG20e5afcbc [2023-12-24 20:46:19,994 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/526503b49/57f66e82161f426f80899ebfbcc3ab02 [2023-12-24 20:46:19,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 20:46:19,999 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 20:46:20,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 20:46:20,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 20:46:20,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 20:46:20,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 08:46:19" (1/1) ... [2023-12-24 20:46:20,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@536a0c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20, skipping insertion in model container [2023-12-24 20:46:20,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 08:46:19" (1/1) ... [2023-12-24 20:46:20,071 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 20:46:20,365 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i[22634,22647] [2023-12-24 20:46:20,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 20:46:20,467 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 20:46:20,502 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i[22634,22647] [2023-12-24 20:46:20,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 20:46:20,576 INFO L206 MainTranslator]: Completed translation [2023-12-24 20:46:20,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20 WrapperNode [2023-12-24 20:46:20,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 20:46:20,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 20:46:20,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 20:46:20,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 20:46:20,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20" (1/1) ... [2023-12-24 20:46:20,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20" (1/1) ... [2023-12-24 20:46:20,633 INFO L138 Inliner]: procedures = 141, calls = 94, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 232 [2023-12-24 20:46:20,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 20:46:20,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 20:46:20,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 20:46:20,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 20:46:20,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20" (1/1) ... [2023-12-24 20:46:20,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20" (1/1) ... [2023-12-24 20:46:20,650 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20" (1/1) ... [2023-12-24 20:46:20,683 INFO L175 MemorySlicer]: Split 48 memory accesses to 3 slices as follows [2, 40, 6]. 83 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 13 writes are split as follows [0, 11, 2]. [2023-12-24 20:46:20,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20" (1/1) ... [2023-12-24 20:46:20,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20" (1/1) ... [2023-12-24 20:46:20,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20" (1/1) ... [2023-12-24 20:46:20,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20" (1/1) ... [2023-12-24 20:46:20,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20" (1/1) ... [2023-12-24 20:46:20,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20" (1/1) ... [2023-12-24 20:46:20,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 20:46:20,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 20:46:20,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 20:46:20,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 20:46:20,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20" (1/1) ... [2023-12-24 20:46:20,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 20:46:20,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 20:46:20,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-24 20:46:20,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-24 20:46:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2023-12-24 20:46:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2023-12-24 20:46:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2023-12-24 20:46:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2023-12-24 20:46:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-24 20:46:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 20:46:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2023-12-24 20:46:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2023-12-24 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-24 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-12-24 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-12-24 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-12-24 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-24 20:46:20,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-24 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-12-24 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-12-24 20:46:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-12-24 20:46:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-24 20:46:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-12-24 20:46:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-12-24 20:46:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-12-24 20:46:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2023-12-24 20:46:20,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2023-12-24 20:46:20,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 20:46:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-24 20:46:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-24 20:46:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2023-12-24 20:46:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2023-12-24 20:46:20,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 20:46:20,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 20:46:20,944 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 20:46:20,946 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 20:46:21,451 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 20:46:21,514 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 20:46:21,514 INFO L309 CfgBuilder]: Removed 38 assume(true) statements. [2023-12-24 20:46:21,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 08:46:21 BoogieIcfgContainer [2023-12-24 20:46:21,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 20:46:21,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 20:46:21,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 20:46:21,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 20:46:21,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 08:46:19" (1/3) ... [2023-12-24 20:46:21,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7782461e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 08:46:21, skipping insertion in model container [2023-12-24 20:46:21,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:46:20" (2/3) ... [2023-12-24 20:46:21,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7782461e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 08:46:21, skipping insertion in model container [2023-12-24 20:46:21,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 08:46:21" (3/3) ... [2023-12-24 20:46:21,527 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2023-12-24 20:46:21,540 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 20:46:21,541 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 20:46:21,601 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 20:46:21,607 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@70738fe1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 20:46:21,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 20:46:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 85 states have (on average 1.8) internal successors, (153), 105 states have internal predecessors, (153), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-24 20:46:21,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-24 20:46:21,620 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 20:46:21,620 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 20:46:21,621 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 20:46:21,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 20:46:21,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1364741834, now seen corresponding path program 1 times [2023-12-24 20:46:21,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 20:46:21,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949997856] [2023-12-24 20:46:21,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 20:46:21,638 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 20:46:21,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 20:46:21,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 20:46:21,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-24 20:46:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 20:46:21,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 20:46:21,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 20:46:21,894 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-24 20:46:21,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 20:46:21,895 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 20:46:21,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949997856] [2023-12-24 20:46:21,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949997856] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 20:46:21,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 20:46:21,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 20:46:21,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702975230] [2023-12-24 20:46:21,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 20:46:21,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 20:46:21,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 20:46:21,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 20:46:21,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 20:46:21,936 INFO L87 Difference]: Start difference. First operand has 117 states, 85 states have (on average 1.8) internal successors, (153), 105 states have internal predecessors, (153), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-24 20:46:22,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 20:46:22,079 INFO L93 Difference]: Finished difference Result 231 states and 409 transitions. [2023-12-24 20:46:22,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 20:46:22,082 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2023-12-24 20:46:22,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 20:46:22,090 INFO L225 Difference]: With dead ends: 231 [2023-12-24 20:46:22,090 INFO L226 Difference]: Without dead ends: 112 [2023-12-24 20:46:22,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 20:46:22,098 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 20:46:22,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 20:46:22,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-12-24 20:46:22,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2023-12-24 20:46:22,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 100 states have internal predecessors, (107), 24 states have call successors, (24), 6 states have call predecessors, (24), 5 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-24 20:46:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 141 transitions. [2023-12-24 20:46:22,146 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 141 transitions. Word has length 30 [2023-12-24 20:46:22,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 20:46:22,146 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 141 transitions. [2023-12-24 20:46:22,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-24 20:46:22,147 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 141 transitions. [2023-12-24 20:46:22,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-24 20:46:22,148 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 20:46:22,149 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 20:46:22,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-24 20:46:22,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 20:46:22,354 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 20:46:22,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 20:46:22,354 INFO L85 PathProgramCache]: Analyzing trace with hash 208543916, now seen corresponding path program 1 times [2023-12-24 20:46:22,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 20:46:22,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596142186] [2023-12-24 20:46:22,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 20:46:22,356 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 20:46:22,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 20:46:22,357 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 20:46:22,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-24 20:46:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 20:46:22,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-24 20:46:22,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 20:46:22,695 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-24 20:46:22,696 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 20:46:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-24 20:46:22,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 20:46:22,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596142186] [2023-12-24 20:46:22,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596142186] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 20:46:22,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 20:46:22,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2023-12-24 20:46:22,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816473248] [2023-12-24 20:46:22,923 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 20:46:22,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 20:46:22,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 20:46:22,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 20:46:22,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-24 20:46:22,927 INFO L87 Difference]: Start difference. First operand 112 states and 141 transitions. Second operand has 6 states, 4 states have (on average 5.75) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-24 20:46:23,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 20:46:23,469 INFO L93 Difference]: Finished difference Result 234 states and 308 transitions. [2023-12-24 20:46:23,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-24 20:46:23,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 5.75) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) Word has length 31 [2023-12-24 20:46:23,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 20:46:23,473 INFO L225 Difference]: With dead ends: 234 [2023-12-24 20:46:23,473 INFO L226 Difference]: Without dead ends: 124 [2023-12-24 20:46:23,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-24 20:46:23,476 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 16 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 20:46:23,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 487 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 20:46:23,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-24 20:46:23,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2023-12-24 20:46:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 89 states have (on average 1.2921348314606742) internal successors, (115), 107 states have internal predecessors, (115), 27 states have call successors, (27), 8 states have call predecessors, (27), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-24 20:46:23,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 155 transitions. [2023-12-24 20:46:23,493 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 155 transitions. Word has length 31 [2023-12-24 20:46:23,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 20:46:23,494 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 155 transitions. [2023-12-24 20:46:23,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 5.75) internal successors, (23), 6 states have internal predecessors, (23), 5 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-24 20:46:23,494 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 155 transitions. [2023-12-24 20:46:23,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-24 20:46:23,496 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 20:46:23,497 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 20:46:23,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-24 20:46:23,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 20:46:23,702 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 20:46:23,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 20:46:23,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1337816308, now seen corresponding path program 1 times [2023-12-24 20:46:23,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 20:46:23,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661709705] [2023-12-24 20:46:23,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 20:46:23,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 20:46:23,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 20:46:23,705 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 20:46:23,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-24 20:46:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 20:46:24,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-24 20:46:24,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 20:46:24,210 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 15 treesize of output 1 [2023-12-24 20:46:24,353 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-24 20:46:24,354 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 20:46:25,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2023-12-24 20:46:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 13 proven. 60 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-24 20:46:25,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 20:46:25,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661709705] [2023-12-24 20:46:25,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661709705] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 20:46:25,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 20:46:25,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 16 [2023-12-24 20:46:25,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390543819] [2023-12-24 20:46:25,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 20:46:25,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-24 20:46:25,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 20:46:25,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-24 20:46:25,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-12-24 20:46:25,642 INFO L87 Difference]: Start difference. First operand 124 states and 155 transitions. Second operand has 16 states, 15 states have (on average 4.0) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-24 20:46:27,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 20:46:27,268 INFO L93 Difference]: Finished difference Result 253 states and 323 transitions. [2023-12-24 20:46:27,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-24 20:46:27,269 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.0) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 91 [2023-12-24 20:46:27,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 20:46:27,270 INFO L225 Difference]: With dead ends: 253 [2023-12-24 20:46:27,271 INFO L226 Difference]: Without dead ends: 133 [2023-12-24 20:46:27,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2023-12-24 20:46:27,272 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 118 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-24 20:46:27,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 733 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-24 20:46:27,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-12-24 20:46:27,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 132. [2023-12-24 20:46:27,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 96 states have (on average 1.2708333333333333) internal successors, (122), 114 states have internal predecessors, (122), 27 states have call successors, (27), 9 states have call predecessors, (27), 8 states have return successors, (14), 11 states have call predecessors, (14), 13 states have call successors, (14) [2023-12-24 20:46:27,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 163 transitions. [2023-12-24 20:46:27,284 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 163 transitions. Word has length 91 [2023-12-24 20:46:27,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 20:46:27,285 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 163 transitions. [2023-12-24 20:46:27,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.0) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-12-24 20:46:27,285 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 163 transitions. [2023-12-24 20:46:27,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-24 20:46:27,287 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 20:46:27,287 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 20:46:27,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-24 20:46:27,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 20:46:27,488 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 20:46:27,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 20:46:27,489 INFO L85 PathProgramCache]: Analyzing trace with hash -786406196, now seen corresponding path program 1 times [2023-12-24 20:46:27,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 20:46:27,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509756901] [2023-12-24 20:46:27,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 20:46:27,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 20:46:27,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 20:46:27,491 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 20:46:27,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-24 20:46:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 20:46:27,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-24 20:46:27,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 20:46:27,917 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 15 treesize of output 1 [2023-12-24 20:46:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-24 20:46:28,107 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 20:46:29,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2023-12-24 20:46:29,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2023-12-24 20:46:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 27 proven. 23 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-24 20:46:29,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 20:46:29,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509756901] [2023-12-24 20:46:29,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509756901] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 20:46:29,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 20:46:29,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 19 [2023-12-24 20:46:29,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766470473] [2023-12-24 20:46:29,114 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 20:46:29,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-24 20:46:29,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 20:46:29,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-24 20:46:29,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2023-12-24 20:46:29,116 INFO L87 Difference]: Start difference. First operand 132 states and 163 transitions. Second operand has 19 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 15 states have internal predecessors, (43), 8 states have call successors, (13), 5 states have call predecessors, (13), 6 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-12-24 20:46:31,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 20:46:31,099 INFO L93 Difference]: Finished difference Result 277 states and 346 transitions. [2023-12-24 20:46:31,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-24 20:46:31,100 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 15 states have internal predecessors, (43), 8 states have call successors, (13), 5 states have call predecessors, (13), 6 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 91 [2023-12-24 20:46:31,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 20:46:31,102 INFO L225 Difference]: With dead ends: 277 [2023-12-24 20:46:31,102 INFO L226 Difference]: Without dead ends: 145 [2023-12-24 20:46:31,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=185, Invalid=871, Unknown=0, NotChecked=0, Total=1056 [2023-12-24 20:46:31,104 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 143 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-24 20:46:31,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 839 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-24 20:46:31,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-12-24 20:46:31,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2023-12-24 20:46:31,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 104 states have (on average 1.25) internal successors, (130), 122 states have internal predecessors, (130), 29 states have call successors, (29), 11 states have call predecessors, (29), 10 states have return successors, (18), 13 states have call predecessors, (18), 15 states have call successors, (18) [2023-12-24 20:46:31,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 177 transitions. [2023-12-24 20:46:31,118 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 177 transitions. Word has length 91 [2023-12-24 20:46:31,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 20:46:31,118 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 177 transitions. [2023-12-24 20:46:31,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 15 states have internal predecessors, (43), 8 states have call successors, (13), 5 states have call predecessors, (13), 6 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2023-12-24 20:46:31,119 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 177 transitions. [2023-12-24 20:46:31,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-24 20:46:31,121 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 20:46:31,121 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 20:46:31,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-24 20:46:31,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 20:46:31,328 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 20:46:31,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 20:46:31,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1034552690, now seen corresponding path program 1 times [2023-12-24 20:46:31,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 20:46:31,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571058632] [2023-12-24 20:46:31,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 20:46:31,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 20:46:31,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 20:46:31,331 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 20:46:31,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-24 20:46:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 20:46:31,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-24 20:46:31,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 20:46:31,803 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 15 treesize of output 1 [2023-12-24 20:46:31,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2023-12-24 20:46:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-24 20:46:31,928 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 20:46:32,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2023-12-24 20:46:32,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2023-12-24 20:46:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-12-24 20:46:32,484 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 20:46:32,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571058632] [2023-12-24 20:46:32,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1571058632] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 20:46:32,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 20:46:32,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 13 [2023-12-24 20:46:32,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835207827] [2023-12-24 20:46:32,485 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 20:46:32,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-24 20:46:32,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 20:46:32,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-24 20:46:32,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2023-12-24 20:46:32,487 INFO L87 Difference]: Start difference. First operand 144 states and 177 transitions. Second operand has 13 states, 10 states have (on average 3.5) internal successors, (35), 11 states have internal predecessors, (35), 5 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-24 20:46:33,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 20:46:33,715 INFO L93 Difference]: Finished difference Result 254 states and 315 transitions. [2023-12-24 20:46:33,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-24 20:46:33,715 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 3.5) internal successors, (35), 11 states have internal predecessors, (35), 5 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9) Word has length 91 [2023-12-24 20:46:33,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 20:46:33,717 INFO L225 Difference]: With dead ends: 254 [2023-12-24 20:46:33,717 INFO L226 Difference]: Without dead ends: 201 [2023-12-24 20:46:33,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-12-24 20:46:33,718 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 82 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-24 20:46:33,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1462 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-24 20:46:33,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-12-24 20:46:33,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 168. [2023-12-24 20:46:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 127 states have (on average 1.2519685039370079) internal successors, (159), 144 states have internal predecessors, (159), 29 states have call successors, (29), 12 states have call predecessors, (29), 11 states have return successors, (18), 13 states have call predecessors, (18), 15 states have call successors, (18) [2023-12-24 20:46:33,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 206 transitions. [2023-12-24 20:46:33,731 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 206 transitions. Word has length 91 [2023-12-24 20:46:33,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 20:46:33,732 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 206 transitions. [2023-12-24 20:46:33,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 3.5) internal successors, (35), 11 states have internal predecessors, (35), 5 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 5 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-24 20:46:33,732 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 206 transitions. [2023-12-24 20:46:33,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-24 20:46:33,733 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 20:46:33,733 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 20:46:33,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-24 20:46:33,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 20:46:33,943 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 20:46:33,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 20:46:33,943 INFO L85 PathProgramCache]: Analyzing trace with hash 67289600, now seen corresponding path program 1 times [2023-12-24 20:46:33,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 20:46:33,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675304051] [2023-12-24 20:46:33,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 20:46:33,945 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 20:46:33,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 20:46:33,946 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 20:46:33,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-24 20:46:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 20:46:34,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 157 conjunts are in the unsatisfiable core [2023-12-24 20:46:34,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 20:46:34,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 7 [2023-12-24 20:46:34,921 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 15 treesize of output 1 [2023-12-24 20:46:35,127 WARN L876 $PredicateComparison]: unable to prove that (exists ((|##fun~$Pointer$~TO~VOID_alloc_or_die_slave_~ptr~0#1.base| (_ BitVec 32))) (= |c_#valid| (store |c_old(#valid)| |##fun~$Pointer$~TO~VOID_alloc_or_die_slave_~ptr~0#1.base| (_ bv1 1)))) is different from true [2023-12-24 20:46:35,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2023-12-24 20:46:35,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2023-12-24 20:46:35,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2023-12-24 20:47:02,122 INFO L349 Elim1Store]: treesize reduction 413, result has 34.3 percent of original size [2023-12-24 20:47:02,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 85 treesize of output 371 [2023-12-24 20:52:23,505 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-24 20:52:23,506 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-24 20:52:23,507 INFO L173 IndexEqualityManager]: detected equality via solver Received shutdown request... [2023-12-24 21:00:46,633 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 21:00:46,633 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 21:00:47,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-24 21:00:47,844 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-24 21:00:47,877 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 21:00:47,879 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 21:00:47,879 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 95 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during proof generation before using IpTcStrategyModuleMathsat [675304051]. [2023-12-24 21:00:47,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-24 21:00:47,882 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-24 21:00:47,885 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 21:00:47,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 09:00:47 BoogieIcfgContainer [2023-12-24 21:00:47,888 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 21:00:47,888 INFO L158 Benchmark]: Toolchain (without parser) took 867889.04ms. Allocated memory was 297.8MB in the beginning and 429.9MB in the end (delta: 132.1MB). Free memory was 248.2MB in the beginning and 188.8MB in the end (delta: 59.5MB). Peak memory consumption was 267.6MB. Max. memory is 8.0GB. [2023-12-24 21:00:47,888 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 185.6MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 21:00:47,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.72ms. Allocated memory is still 297.8MB. Free memory was 248.2MB in the beginning and 227.1MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-24 21:00:47,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.78ms. Allocated memory is still 297.8MB. Free memory was 227.1MB in the beginning and 224.1MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-24 21:00:47,889 INFO L158 Benchmark]: Boogie Preprocessor took 77.12ms. Allocated memory is still 297.8MB. Free memory was 224.1MB in the beginning and 217.7MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-24 21:00:47,893 INFO L158 Benchmark]: RCFGBuilder took 802.78ms. Allocated memory is still 297.8MB. Free memory was 217.2MB in the beginning and 182.1MB in the end (delta: 35.2MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-12-24 21:00:47,893 INFO L158 Benchmark]: TraceAbstraction took 866371.05ms. Allocated memory was 297.8MB in the beginning and 429.9MB in the end (delta: 132.1MB). Free memory was 181.1MB in the beginning and 188.8MB in the end (delta: -7.7MB). Peak memory consumption was 200.5MB. Max. memory is 8.0GB. [2023-12-24 21:00:47,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 185.6MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 575.72ms. Allocated memory is still 297.8MB. Free memory was 248.2MB in the beginning and 227.1MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.78ms. Allocated memory is still 297.8MB. Free memory was 227.1MB in the beginning and 224.1MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 77.12ms. Allocated memory is still 297.8MB. Free memory was 224.1MB in the beginning and 217.7MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 802.78ms. Allocated memory is still 297.8MB. Free memory was 217.2MB in the beginning and 182.1MB in the end (delta: 35.2MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 866371.05ms. Allocated memory was 297.8MB in the beginning and 429.9MB in the end (delta: 132.1MB). Free memory was 181.1MB in the beginning and 188.8MB in the end (delta: -7.7MB). Peak memory consumption was 200.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 547]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 547). Cancelled while NwaCegarLoop was analyzing trace of length 95 with TraceHistMax 6,while AutomatonFreeRefinementEngine was Timeout during proof generation before using IpTcStrategyModuleMathsat [675304051]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 866.3s, OverallIterations: 6, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 365 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 359 mSDsluCounter, 3657 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3077 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2157 IncrementalHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 580 mSDtfsCounter, 2157 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 665 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=5, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 35 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 629 ConstructedInterpolants, 0 QuantifiedInterpolants, 1727 SizeOfPredicates, 41 NumberOfNonLiveVariables, 2570 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 594/720 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown