/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/Problem08_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 06:45:57,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 06:45:57,884 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 06:45:57,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 06:45:57,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 06:45:57,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 06:45:57,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 06:45:57,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 06:45:57,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 06:45:57,914 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 06:45:57,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 06:45:57,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 06:45:57,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 06:45:57,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 06:45:57,916 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 06:45:57,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 06:45:57,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 06:45:57,917 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 06:45:57,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 06:45:57,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 06:45:57,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 06:45:57,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 06:45:57,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 06:45:57,919 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 06:45:57,919 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 06:45:57,919 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 06:45:57,919 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 06:45:57,919 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 06:45:57,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 06:45:57,920 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 06:45:57,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 06:45:57,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 06:45:57,920 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 06:45:57,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 06:45:57,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 06:45:57,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 06:45:57,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 06:45:57,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 06:45:57,921 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 06:45:57,921 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 06:45:57,921 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 06:45:57,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 06:45:57,922 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 06:45:57,922 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 06:45:57,922 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 06:45:57,922 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 06:45:57,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 06:45:58,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 06:45:58,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 06:45:58,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 06:45:58,164 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 06:45:58,164 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 06:45:58,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem08_label20.c [2023-12-22 06:45:59,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 06:46:01,149 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 06:46:01,149 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem08_label20.c [2023-12-22 06:46:01,350 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4756789dd/179dbd9de5144a8a911c34a37ca743b9/FLAGde976c74f [2023-12-22 06:46:01,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4756789dd/179dbd9de5144a8a911c34a37ca743b9 [2023-12-22 06:46:01,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 06:46:01,362 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 06:46:01,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 06:46:01,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 06:46:01,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 06:46:01,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:46:01" (1/1) ... [2023-12-22 06:46:01,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569e9f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:01, skipping insertion in model container [2023-12-22 06:46:01,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:46:01" (1/1) ... [2023-12-22 06:46:02,374 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 06:46:18,356 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/Problem08_label20.c[5711864,5711877] [2023-12-22 06:46:18,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 06:46:18,468 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 06:46:26,359 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/Problem08_label20.c[5711864,5711877] [2023-12-22 06:46:26,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 06:46:29,913 INFO L206 MainTranslator]: Completed translation [2023-12-22 06:46:29,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29 WrapperNode [2023-12-22 06:46:29,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 06:46:29,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 06:46:29,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 06:46:29,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 06:46:29,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29" (1/1) ... [2023-12-22 06:46:31,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29" (1/1) ... [2023-12-22 06:46:35,691 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184287 [2023-12-22 06:46:35,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 06:46:35,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 06:46:35,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 06:46:35,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 06:46:35,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29" (1/1) ... [2023-12-22 06:46:35,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29" (1/1) ... [2023-12-22 06:46:36,692 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29" (1/1) ... [2023-12-22 06:46:37,132 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 06:46:37,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29" (1/1) ... [2023-12-22 06:46:37,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29" (1/1) ... [2023-12-22 06:46:38,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29" (1/1) ... [2023-12-22 06:46:39,202 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29" (1/1) ... [2023-12-22 06:46:39,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29" (1/1) ... [2023-12-22 06:46:39,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29" (1/1) ... [2023-12-22 06:46:40,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 06:46:40,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 06:46:40,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 06:46:40,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 06:46:40,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29" (1/1) ... [2023-12-22 06:46:40,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 06:46:40,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 06:46:40,457 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 06:46:40,466 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 06:46:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 06:46:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 06:46:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 06:46:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 06:46:40,669 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 06:46:40,670 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 06:48:04,609 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 06:48:04,808 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 06:48:04,809 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 06:48:04,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:48:04 BoogieIcfgContainer [2023-12-22 06:48:04,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 06:48:04,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 06:48:04,812 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 06:48:04,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 06:48:04,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:46:01" (1/3) ... [2023-12-22 06:48:04,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d0faae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:48:04, skipping insertion in model container [2023-12-22 06:48:04,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:46:29" (2/3) ... [2023-12-22 06:48:04,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d0faae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:48:04, skipping insertion in model container [2023-12-22 06:48:04,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:48:04" (3/3) ... [2023-12-22 06:48:04,817 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem08_label20.c [2023-12-22 06:48:04,829 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 06:48:04,829 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 06:48:05,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 06:48:05,071 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;@583c4524, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 06:48:05,071 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 06:48:05,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 23153 states, 23151 states have (on average 1.8852317394496998) internal successors, (43645), 23152 states have internal predecessors, (43645), 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 06:48:07,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17887 [2023-12-22 06:48:07,174 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 06:48:07,181 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] [2023-12-22 06:48:07,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 06:48:07,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 06:48:07,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1523262565, now seen corresponding path program 1 times [2023-12-22 06:48:07,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 06:48:07,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226816993] [2023-12-22 06:48:07,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 06:48:07,350 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 06:48:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 06:48:07,358 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 06:48:07,363 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 06:48:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 06:48:13,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 18095 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 06:48:13,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 06:48:14,088 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 06:48:14,088 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 06:48:14,089 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 06:48:14,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226816993] [2023-12-22 06:48:14,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226816993] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 06:48:14,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 06:48:14,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 06:48:14,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079106893] [2023-12-22 06:48:14,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 06:48:14,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 06:48:14,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 06:48:14,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 06:48:14,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 06:48:14,188 INFO L87 Difference]: Start difference. First operand has 23153 states, 23151 states have (on average 1.8852317394496998) internal successors, (43645), 23152 states have internal predecessors, (43645), 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 8943.0) internal successors, (17886), 2 states have internal predecessors, (17886), 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 06:48:14,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 06:48:14,603 INFO L93 Difference]: Finished difference Result 46305 states and 87289 transitions. [2023-12-22 06:48:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 06:48:14,611 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8943.0) internal successors, (17886), 2 states have internal predecessors, (17886), 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 17886 [2023-12-22 06:48:14,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 06:48:14,733 INFO L225 Difference]: With dead ends: 46305 [2023-12-22 06:48:14,733 INFO L226 Difference]: Without dead ends: 23151 [2023-12-22 06:48:14,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17885 GetRequests, 17885 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 06:48:14,778 INFO L413 NwaCegarLoop]: 43580 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, 43580 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 06:48:14,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43580 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-22 06:48:14,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23151 states. [2023-12-22 06:48:15,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23151 to 23151. [2023-12-22 06:48:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23151 states, 23150 states have (on average 1.8825053995680345) internal successors, (43580), 23150 states have internal predecessors, (43580), 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 06:48:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23151 states to 23151 states and 43580 transitions. [2023-12-22 06:48:15,301 INFO L78 Accepts]: Start accepts. Automaton has 23151 states and 43580 transitions. Word has length 17886 [2023-12-22 06:48:15,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 06:48:15,323 INFO L495 AbstractCegarLoop]: Abstraction has 23151 states and 43580 transitions. [2023-12-22 06:48:15,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8943.0) internal successors, (17886), 2 states have internal predecessors, (17886), 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 06:48:15,329 INFO L276 IsEmpty]: Start isEmpty. Operand 23151 states and 43580 transitions. [2023-12-22 06:48:17,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17887 [2023-12-22 06:48:17,222 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 06:48:17,227 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] [2023-12-22 06:48:17,252 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 [2023-12-22 06:48:17,431 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 06:48:17,432 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 06:48:17,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 06:48:17,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1747851957, now seen corresponding path program 1 times [2023-12-22 06:48:17,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 06:48:17,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [245667539] [2023-12-22 06:48:17,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 06:48:17,548 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 06:48:17,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 06:48:17,553 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 06:48:17,553 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 06:48:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 06:48:23,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 18095 conjuncts, 150 conjunts are in the unsatisfiable core [2023-12-22 06:48:23,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-22 06:59:41,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 06:59:41,596 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 06:59:41,596 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 06:59:41,615 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 06:59:41,790 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 06:59:41,791 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 17887 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-16-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-15-2-1 context. [2023-12-22 06:59:41,795 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-22 06:59:41,796 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 06:59:41,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:59:41 BoogieIcfgContainer [2023-12-22 06:59:41,798 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 06:59:41,799 INFO L158 Benchmark]: Toolchain (without parser) took 820436.71ms. Allocated memory was 429.9MB in the beginning and 6.7GB in the end (delta: 6.3GB). Free memory was 179.6MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 4.7GB. Max. memory is 8.0GB. [2023-12-22 06:59:41,799 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 186.6MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 06:59:41,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 28557.42ms. Allocated memory was 429.9MB in the beginning and 2.8GB in the end (delta: 2.4GB). Free memory was 179.6MB in the beginning and 842.8MB in the end (delta: -663.2MB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2023-12-22 06:59:41,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 5770.19ms. Allocated memory was 2.8GB in the beginning and 4.7GB in the end (delta: 1.9GB). Free memory was 842.8MB in the beginning and 3.4GB in the end (delta: -2.5GB). Peak memory consumption was 238.0MB. Max. memory is 8.0GB. [2023-12-22 06:59:41,800 INFO L158 Benchmark]: Boogie Preprocessor took 4688.30ms. Allocated memory was 4.7GB in the beginning and 5.4GB in the end (delta: 718.3MB). Free memory was 3.4GB in the beginning and 3.6GB in the end (delta: -203.4MB). Peak memory consumption was 536.9MB. Max. memory is 8.0GB. [2023-12-22 06:59:41,800 INFO L158 Benchmark]: RCFGBuilder took 84428.70ms. Allocated memory was 5.4GB in the beginning and 6.6GB in the end (delta: 1.2GB). Free memory was 3.6GB in the beginning and 4.2GB in the end (delta: -637.0MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-12-22 06:59:41,801 INFO L158 Benchmark]: TraceAbstraction took 696986.36ms. Allocated memory was 6.6GB in the beginning and 6.7GB in the end (delta: 114.3MB). Free memory was 4.2GB in the beginning and 1.8GB in the end (delta: 2.4GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2023-12-22 06:59:41,803 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 186.6MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 28557.42ms. Allocated memory was 429.9MB in the beginning and 2.8GB in the end (delta: 2.4GB). Free memory was 179.6MB in the beginning and 842.8MB in the end (delta: -663.2MB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 5770.19ms. Allocated memory was 2.8GB in the beginning and 4.7GB in the end (delta: 1.9GB). Free memory was 842.8MB in the beginning and 3.4GB in the end (delta: -2.5GB). Peak memory consumption was 238.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 4688.30ms. Allocated memory was 4.7GB in the beginning and 5.4GB in the end (delta: 718.3MB). Free memory was 3.4GB in the beginning and 3.6GB in the end (delta: -203.4MB). Peak memory consumption was 536.9MB. Max. memory is 8.0GB. * RCFGBuilder took 84428.70ms. Allocated memory was 5.4GB in the beginning and 6.6GB in the end (delta: 1.2GB). Free memory was 3.6GB in the beginning and 4.2GB in the end (delta: -637.0MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * TraceAbstraction took 696986.36ms. Allocated memory was 6.6GB in the beginning and 6.7GB in the end (delta: 114.3MB). Free memory was 4.2GB in the beginning and 1.8GB in the end (delta: 2.4GB). Peak memory consumption was 2.5GB. 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: 171463]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 171463). Cancelled while NwaCegarLoop was analyzing trace of length 17887 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-16-6-1 term,while PolyPacSimplificationTermWalker was simplifying 6 xjuncts wrt. a ∧-15-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23153 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 696.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 43580 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 43580 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17885 GetRequests, 17885 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23153occurred 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: 0.5s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 17886 NumberOfCodeBlocks, 17886 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17885 ConstructedInterpolants, 0 QuantifiedInterpolants, 17885 SizeOfPredicates, 0 NumberOfNonLiveVariables, 18095 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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