/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_label25.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 08:48:08,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 08:48:08,384 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 08:48:08,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 08:48:08,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 08:48:08,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 08:48:08,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 08:48:08,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 08:48:08,411 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 08:48:08,414 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 08:48:08,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 08:48:08,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 08:48:08,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 08:48:08,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 08:48:08,416 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 08:48:08,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 08:48:08,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 08:48:08,417 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 08:48:08,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 08:48:08,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 08:48:08,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 08:48:08,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 08:48:08,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 08:48:08,418 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 08:48:08,418 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 08:48:08,418 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 08:48:08,418 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 08:48:08,418 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 08:48:08,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 08:48:08,419 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 08:48:08,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 08:48:08,420 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 08:48:08,420 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 08:48:08,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 08:48:08,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 08:48:08,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 08:48:08,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 08:48:08,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 08:48:08,420 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 08:48:08,421 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 08:48:08,421 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 08:48:08,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 08:48:08,421 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 08:48:08,421 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 08:48:08,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 08:48:08,421 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 08:48:08,422 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 08:48:08,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 08:48:08,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 08:48:08,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 08:48:08,592 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 08:48:08,592 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 08:48:08,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label25.c [2023-12-16 08:48:09,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 08:48:10,815 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 08:48:10,816 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label25.c [2023-12-16 08:48:10,994 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf57e1ced/4fb1c65ff8f749479af932c5d5069b2d/FLAG19f192618 [2023-12-16 08:48:11,008 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf57e1ced/4fb1c65ff8f749479af932c5d5069b2d [2023-12-16 08:48:11,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 08:48:11,011 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 08:48:11,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 08:48:11,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 08:48:11,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 08:48:11,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:48:11" (1/1) ... [2023-12-16 08:48:11,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47129965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:11, skipping insertion in model container [2023-12-16 08:48:11,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:48:11" (1/1) ... [2023-12-16 08:48:11,644 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 08:48:18,842 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_label25.c[2775977,2775990] [2023-12-16 08:48:18,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 08:48:18,962 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 08:48:22,848 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_label25.c[2775977,2775990] [2023-12-16 08:48:22,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 08:48:23,647 INFO L206 MainTranslator]: Completed translation [2023-12-16 08:48:23,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23 WrapperNode [2023-12-16 08:48:23,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 08:48:23,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 08:48:23,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 08:48:23,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 08:48:23,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23" (1/1) ... [2023-12-16 08:48:24,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23" (1/1) ... [2023-12-16 08:48:26,102 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83772 [2023-12-16 08:48:26,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 08:48:26,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 08:48:26,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 08:48:26,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 08:48:26,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23" (1/1) ... [2023-12-16 08:48:26,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23" (1/1) ... [2023-12-16 08:48:26,476 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23" (1/1) ... [2023-12-16 08:48:26,832 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]. [2023-12-16 08:48:26,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23" (1/1) ... [2023-12-16 08:48:26,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23" (1/1) ... [2023-12-16 08:48:27,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23" (1/1) ... [2023-12-16 08:48:28,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23" (1/1) ... [2023-12-16 08:48:28,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23" (1/1) ... [2023-12-16 08:48:28,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23" (1/1) ... [2023-12-16 08:48:28,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 08:48:28,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 08:48:28,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 08:48:28,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 08:48:28,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23" (1/1) ... [2023-12-16 08:48:28,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 08:48:28,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 08:48:28,869 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) [2023-12-16 08:48:28,871 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 [2023-12-16 08:48:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 08:48:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 08:48:28,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 08:48:28,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 08:48:28,996 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 08:48:28,998 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 08:49:11,593 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 08:49:11,730 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 08:49:11,731 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 08:49:11,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:49:11 BoogieIcfgContainer [2023-12-16 08:49:11,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 08:49:11,734 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 08:49:11,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 08:49:11,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 08:49:11,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:48:11" (1/3) ... [2023-12-16 08:49:11,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29708acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:49:11, skipping insertion in model container [2023-12-16 08:49:11,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:48:23" (2/3) ... [2023-12-16 08:49:11,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29708acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:49:11, skipping insertion in model container [2023-12-16 08:49:11,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:49:11" (3/3) ... [2023-12-16 08:49:11,738 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label25.c [2023-12-16 08:49:11,750 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 08:49:11,750 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 08:49:11,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 08:49:11,898 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;@2ebef71c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 08:49:11,899 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 08:49:11,930 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) [2023-12-16 08:49:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10140 [2023-12-16 08:49:12,710 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:49:12,715 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] [2023-12-16 08:49:12,718 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:49:12,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:49:12,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1048265084, now seen corresponding path program 1 times [2023-12-16 08:49:12,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:49:12,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1345713198] [2023-12-16 08:49:12,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:49:12,825 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 [2023-12-16 08:49:12,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:49:12,829 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) [2023-12-16 08:49:12,837 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 Received shutdown request... [2023-12-16 08:49:13,304 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 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 08:49:13,313 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 [2023-12-16 08:49:14,329 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-16 08:49:14,334 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 08:49:14,334 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 [2023-12-16 08:49:14,335 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 10140 with TraceHistMax 1,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [1345713198] and IpTcStrategyModuleCvc4 [404745667]. [2023-12-16 08:49:14,340 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 08:49:14,342 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 08:49:14,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:49:14 BoogieIcfgContainer [2023-12-16 08:49:14,347 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 0 [2023-12-16 08:49:14,344 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 [2023-12-16 08:49:14,348 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 08:49:14,365 INFO L158 Benchmark]: Toolchain (without parser) took 63353.65ms. Allocated memory was 241.2MB in the beginning and 5.6GB in the end (delta: 5.3GB). Free memory was 101.4MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2023-12-16 08:49:14,365 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 08:49:14,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 12635.11ms. Allocated memory was 241.2MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 101.0MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 893.4MB. Max. memory is 8.0GB. [2023-12-16 08:49:14,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 2453.48ms. Allocated memory was 2.1GB in the beginning and 3.5GB in the end (delta: 1.4GB). Free memory was 1.3GB in the beginning and 2.4GB in the end (delta: -1.1GB). Peak memory consumption was 437.8MB. Max. memory is 8.0GB. [2023-12-16 08:49:14,370 INFO L158 Benchmark]: Boogie Preprocessor took 2718.25ms. Allocated memory was 3.5GB in the beginning and 4.4GB in the end (delta: 910.2MB). Free memory was 2.4GB in the beginning and 3.1GB in the end (delta: -676.3MB). Peak memory consumption was 318.8MB. Max. memory is 8.0GB. [2023-12-16 08:49:14,371 INFO L158 Benchmark]: RCFGBuilder took 42909.33ms. Allocated memory was 4.4GB in the beginning and 5.6GB in the end (delta: 1.2GB). Free memory was 3.1GB in the beginning and 3.7GB in the end (delta: -619.2MB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2023-12-16 08:49:14,371 INFO L158 Benchmark]: TraceAbstraction took 2614.59ms. Allocated memory is still 5.6GB. Free memory was 3.7GB in the beginning and 3.4GB in the end (delta: 265.6MB). Peak memory consumption was 265.6MB. Max. memory is 8.0GB. [2023-12-16 08:49:14,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 199.2MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 12635.11ms. Allocated memory was 241.2MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 101.0MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 893.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 2453.48ms. Allocated memory was 2.1GB in the beginning and 3.5GB in the end (delta: 1.4GB). Free memory was 1.3GB in the beginning and 2.4GB in the end (delta: -1.1GB). Peak memory consumption was 437.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 2718.25ms. Allocated memory was 3.5GB in the beginning and 4.4GB in the end (delta: 910.2MB). Free memory was 2.4GB in the beginning and 3.1GB in the end (delta: -676.3MB). Peak memory consumption was 318.8MB. Max. memory is 8.0GB. * RCFGBuilder took 42909.33ms. Allocated memory was 4.4GB in the beginning and 5.6GB in the end (delta: 1.2GB). Free memory was 3.1GB in the beginning and 3.7GB in the end (delta: -619.2MB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. * TraceAbstraction took 2614.59ms. Allocated memory is still 5.6GB. Free memory was 3.7GB in the beginning and 3.4GB in the end (delta: 265.6MB). Peak memory consumption was 265.6MB. 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: 73668]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 73668). Cancelled while NwaCegarLoop was analyzing trace of length 10140 with TraceHistMax 1,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [1345713198] and IpTcStrategyModuleCvc4 [404745667]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10195 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10195occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown