/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/eca-rers2012/Problem07_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 06:12:35,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 06:12:35,694 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-22 06:12:35,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 06:12:35,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 06:12:35,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 06:12:35,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 06:12:35,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 06:12:35,735 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 06:12:35,739 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 06:12:35,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 06:12:35,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 06:12:35,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 06:12:35,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 06:12:35,742 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 06:12:35,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 06:12:35,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 06:12:35,743 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 06:12:35,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 06:12:35,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 06:12:35,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 06:12:35,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 06:12:35,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 06:12:35,745 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 06:12:35,745 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 06:12:35,745 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 06:12:35,746 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 06:12:35,746 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 06:12:35,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 06:12:35,746 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 06:12:35,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 06:12:35,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 06:12:35,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 06:12:35,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 06:12:35,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 06:12:35,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 06:12:35,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 06:12:35,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 06:12:35,749 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 06:12:35,749 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 06:12:35,749 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 06:12:35,749 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 06:12:35,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 06:12:35,750 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 06:12:35,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 06:12:35,750 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 06:12:35,750 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 06:12:35,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 06:12:36,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 06:12:36,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 06:12:36,013 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 06:12:36,015 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 06:12:36,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label42.c [2023-12-22 06:12:37,351 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 06:12:38,890 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 06:12:38,891 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label42.c [2023-12-22 06:12:39,063 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd25b6ab/85cd548e61b9423db99376c93f4a99b6/FLAG39f526e00 [2023-12-22 06:12:39,076 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd25b6ab/85cd548e61b9423db99376c93f4a99b6 [2023-12-22 06:12:39,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 06:12:39,080 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 06:12:39,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 06:12:39,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 06:12:39,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 06:12:39,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:12:39" (1/1) ... [2023-12-22 06:12:39,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb0d46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:39, skipping insertion in model container [2023-12-22 06:12:39,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:12:39" (1/1) ... [2023-12-22 06:12:39,844 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 06:12:47,642 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label42.c[2768647,2768660] [2023-12-22 06:12:47,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 06:12:47,704 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 06:12:52,070 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label42.c[2768647,2768660] [2023-12-22 06:12:52,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 06:12:53,016 INFO L206 MainTranslator]: Completed translation [2023-12-22 06:12:53,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53 WrapperNode [2023-12-22 06:12:53,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 06:12:53,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 06:12:53,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 06:12:53,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 06:12:53,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53" (1/1) ... [2023-12-22 06:12:53,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53" (1/1) ... [2023-12-22 06:12:56,479 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83772 [2023-12-22 06:12:56,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 06:12:56,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 06:12:56,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 06:12:56,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 06:12:56,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53" (1/1) ... [2023-12-22 06:12:56,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53" (1/1) ... [2023-12-22 06:12:57,029 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53" (1/1) ... [2023-12-22 06:12:57,783 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-22 06:12:57,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53" (1/1) ... [2023-12-22 06:12:57,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53" (1/1) ... [2023-12-22 06:12:58,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53" (1/1) ... [2023-12-22 06:12:59,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53" (1/1) ... [2023-12-22 06:12:59,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53" (1/1) ... [2023-12-22 06:12:59,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53" (1/1) ... [2023-12-22 06:13:00,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 06:13:00,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 06:13:00,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 06:13:00,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 06:13:00,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53" (1/1) ... [2023-12-22 06:13:00,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 06:13:00,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 06:13:00,410 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) [2023-12-22 06:13:00,472 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 [2023-12-22 06:13:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 06:13:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 06:13:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 06:13:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 06:13:00,651 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 06:13:00,652 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 06:13:54,589 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 06:13:54,781 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 06:13:54,781 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 06:13:54,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:13:54 BoogieIcfgContainer [2023-12-22 06:13:54,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 06:13:54,786 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 06:13:54,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 06:13:54,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 06:13:54,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:12:39" (1/3) ... [2023-12-22 06:13:54,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a64368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:13:54, skipping insertion in model container [2023-12-22 06:13:54,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:12:53" (2/3) ... [2023-12-22 06:13:54,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a64368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:13:54, skipping insertion in model container [2023-12-22 06:13:54,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:13:54" (3/3) ... [2023-12-22 06:13:54,793 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label42.c [2023-12-22 06:13:54,808 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 06:13:54,809 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 06:13:54,973 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 06:13:54,979 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;@63c6e909, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 06:13:54,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 06:13:55,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 10195 states, 10193 states have (on average 1.9952908859020897) internal successors, (20338), 10194 states have internal predecessors, (20338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 06:13:56,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10097 [2023-12-22 06:13:56,000 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 06:13:56,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 06:13:56,005 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 06:13:56,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 06:13:56,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1311406605, now seen corresponding path program 1 times [2023-12-22 06:13:56,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 06:13:56,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341130676] [2023-12-22 06:13:56,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 06:13:56,142 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 [2023-12-22 06:13:56,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 06:13:56,145 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) [2023-12-22 06:13:56,157 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 [2023-12-22 06:13:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 06:14:00,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 10233 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 06:14:00,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 06:14:00,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 06:14:00,565 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 06:14:00,566 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 06:14:00,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341130676] [2023-12-22 06:14:00,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341130676] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 06:14:00,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 06:14:00,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 06:14:00,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854617572] [2023-12-22 06:14:00,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 06:14:00,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 06:14:00,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 06:14:00,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 06:14:00,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 06:14:00,689 INFO L87 Difference]: Start difference. First operand has 10195 states, 10193 states have (on average 1.9952908859020897) internal successors, (20338), 10194 states have internal predecessors, (20338), 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) Second operand has 2 states, 2 states have (on average 5048.0) internal successors, (10096), 2 states have internal predecessors, (10096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 06:14:00,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 06:14:00,961 INFO L93 Difference]: Finished difference Result 20389 states and 40675 transitions. [2023-12-22 06:14:00,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 06:14:00,968 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5048.0) internal successors, (10096), 2 states have internal predecessors, (10096), 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) Word has length 10096 [2023-12-22 06:14:00,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 06:14:01,035 INFO L225 Difference]: With dead ends: 20389 [2023-12-22 06:14:01,036 INFO L226 Difference]: Without dead ends: 10193 [2023-12-22 06:14:01,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10095 GetRequests, 10095 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 06:14:01,058 INFO L413 NwaCegarLoop]: 20273 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20273 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-22 06:14:01,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20273 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-22 06:14:01,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10193 states. [2023-12-22 06:14:01,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10193 to 10193. [2023-12-22 06:14:01,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10193 states, 10192 states have (on average 1.9891091051805339) internal successors, (20273), 10192 states have internal predecessors, (20273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 06:14:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10193 states to 10193 states and 20273 transitions. [2023-12-22 06:14:01,324 INFO L78 Accepts]: Start accepts. Automaton has 10193 states and 20273 transitions. Word has length 10096 [2023-12-22 06:14:01,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 06:14:01,340 INFO L495 AbstractCegarLoop]: Abstraction has 10193 states and 20273 transitions. [2023-12-22 06:14:01,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5048.0) internal successors, (10096), 2 states have internal predecessors, (10096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 06:14:01,345 INFO L276 IsEmpty]: Start isEmpty. Operand 10193 states and 20273 transitions. [2023-12-22 06:14:02,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10097 [2023-12-22 06:14:02,193 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 06:14:02,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 06:14:02,220 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 (2)] Forceful destruction successful, exit code 0 [2023-12-22 06:14:02,410 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 [2023-12-22 06:14:02,411 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 06:14:02,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 06:14:02,415 INFO L85 PathProgramCache]: Analyzing trace with hash -829929231, now seen corresponding path program 1 times [2023-12-22 06:14:02,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 06:14:02,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78537947] [2023-12-22 06:14:02,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 06:14:02,490 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 [2023-12-22 06:14:02,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 06:14:02,491 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) [2023-12-22 06:14:02,503 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 [2023-12-22 06:14:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 06:14:07,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 10233 conjuncts, 102 conjunts are in the unsatisfiable core [2023-12-22 06:14:07,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 06:25:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 06:25:13,098 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 06:25:13,098 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 06:25:13,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78537947] [2023-12-22 06:25:13,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [78537947] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 06:25:13,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 06:25:13,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2023-12-22 06:25:13,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475376518] [2023-12-22 06:25:13,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 06:25:13,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-12-22 06:25:13,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 06:25:13,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-12-22 06:25:13,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=2399, Unknown=0, NotChecked=0, Total=2550 [2023-12-22 06:25:13,148 INFO L87 Difference]: Start difference. First operand 10193 states and 20273 transitions. Second operand has 51 states, 51 states have (on average 197.9607843137255) internal successors, (10096), 50 states have internal predecessors, (10096), 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) Received shutdown request... [2023-12-22 06:26:35,743 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 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-22 06:26:35,744 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 [2023-12-22 06:26:35,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-22 06:26:35,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10103 GetRequests, 10046 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=247, Invalid=3175, Unknown=0, NotChecked=0, Total=3422 [2023-12-22 06:26:35,747 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 7688 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 80108 mSolverCounterSat, 1950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7688 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 82058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1950 IncrementalHoareTripleChecker+Valid, 80108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.2s IncrementalHoareTripleChecker+Time [2023-12-22 06:26:35,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7688 Valid, 91 Invalid, 82058 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1950 Valid, 80108 Invalid, 0 Unknown, 0 Unchecked, 80.2s Time] [2023-12-22 06:26:35,749 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 06:26:35,780 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 (3)] Ended with exit code 0 [2023-12-22 06:26:35,964 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 [2023-12-22 06:26:35,966 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (10193states) and FLOYD_HOARE automaton (currently 12 states, 51 states before enhancement),while ReachableStatesComputation was computing reachable states (3911 states constructed, input type IntersectNwa). [2023-12-22 06:26:35,970 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-22 06:26:35,972 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 06:26:35,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:26:35 BoogieIcfgContainer [2023-12-22 06:26:35,974 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 06:26:35,974 INFO L158 Benchmark]: Toolchain (without parser) took 836894.71ms. Allocated memory was 384.8MB in the beginning and 6.1GB in the end (delta: 5.7GB). Free memory was 212.6MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 3.4GB. Max. memory is 8.0GB. [2023-12-22 06:26:35,974 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 190.8MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 06:26:35,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 13935.96ms. Allocated memory was 384.8MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 212.6MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 834.1MB. Max. memory is 8.0GB. [2023-12-22 06:26:35,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 3467.72ms. Allocated memory was 2.0GB in the beginning and 3.2GB in the end (delta: 1.2GB). Free memory was 1.3GB in the beginning and 2.2GB in the end (delta: -897.6MB). Peak memory consumption was 417.9MB. Max. memory is 8.0GB. [2023-12-22 06:26:35,975 INFO L158 Benchmark]: Boogie Preprocessor took 3804.80ms. Allocated memory was 3.2GB in the beginning and 4.4GB in the end (delta: 1.2GB). Free memory was 2.2GB in the beginning and 3.2GB in the end (delta: -977.3MB). Peak memory consumption was 415.8MB. Max. memory is 8.0GB. [2023-12-22 06:26:35,985 INFO L158 Benchmark]: RCFGBuilder took 54477.22ms. Allocated memory was 4.4GB in the beginning and 5.6GB in the end (delta: 1.2GB). Free memory was 3.2GB in the beginning and 3.6GB in the end (delta: -490.2MB). Peak memory consumption was 843.6MB. Max. memory is 8.0GB. [2023-12-22 06:26:35,988 INFO L158 Benchmark]: TraceAbstraction took 761188.10ms. Allocated memory was 5.6GB in the beginning and 6.1GB in the end (delta: 565.2MB). Free memory was 3.6GB in the beginning and 2.5GB in the end (delta: 1.1GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2023-12-22 06:26:35,993 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 190.8MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 13935.96ms. Allocated memory was 384.8MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 212.6MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 834.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 3467.72ms. Allocated memory was 2.0GB in the beginning and 3.2GB in the end (delta: 1.2GB). Free memory was 1.3GB in the beginning and 2.2GB in the end (delta: -897.6MB). Peak memory consumption was 417.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 3804.80ms. Allocated memory was 3.2GB in the beginning and 4.4GB in the end (delta: 1.2GB). Free memory was 2.2GB in the beginning and 3.2GB in the end (delta: -977.3MB). Peak memory consumption was 415.8MB. Max. memory is 8.0GB. * RCFGBuilder took 54477.22ms. Allocated memory was 4.4GB in the beginning and 5.6GB in the end (delta: 1.2GB). Free memory was 3.2GB in the beginning and 3.6GB in the end (delta: -490.2MB). Peak memory consumption was 843.6MB. Max. memory is 8.0GB. * TraceAbstraction took 761188.10ms. Allocated memory was 5.6GB in the beginning and 6.1GB in the end (delta: 565.2MB). Free memory was 3.6GB in the beginning and 2.5GB in the end (delta: 1.1GB). Peak memory consumption was 1.7GB. 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: 73539]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 73539). Cancelled while NwaCegarLoop was constructing difference of abstraction (10193states) and FLOYD_HOARE automaton (currently 12 states, 51 states before enhancement),while ReachableStatesComputation was computing reachable states (3911 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10195 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 761.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.9s, AutomataDifference: 83.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7688 SdHoareTripleChecker+Valid, 80.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7688 mSDsluCounter, 20364 SdHoareTripleChecker+Invalid, 72.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 89 mSDsCounter, 1950 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80110 IncrementalHoareTripleChecker+Invalid, 82060 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1950 mSolverCounterUnsat, 20275 mSDtfsCounter, 80110 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20198 GetRequests, 20141 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10195occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.4s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 666.6s InterpolantComputationTime, 20192 NumberOfCodeBlocks, 20192 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20190 ConstructedInterpolants, 0 QuantifiedInterpolants, 717523 SizeOfPredicates, 94 NumberOfNonLiveVariables, 20466 ConjunctsInSsa, 103 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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