/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_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 05:59:37,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 05:59:37,398 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 05:59:37,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 05:59:37,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 05:59:37,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 05:59:37,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 05:59:37,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 05:59:37,424 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 05:59:37,427 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 05:59:37,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 05:59:37,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 05:59:37,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 05:59:37,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 05:59:37,429 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 05:59:37,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 05:59:37,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 05:59:37,430 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 05:59:37,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 05:59:37,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 05:59:37,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 05:59:37,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 05:59:37,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 05:59:37,431 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 05:59:37,431 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 05:59:37,431 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 05:59:37,432 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 05:59:37,432 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 05:59:37,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 05:59:37,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 05:59:37,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 05:59:37,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 05:59:37,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 05:59:37,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 05:59:37,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 05:59:37,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 05:59:37,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 05:59:37,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 05:59:37,433 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 05:59:37,434 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 05:59:37,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 05:59:37,434 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 05:59:37,434 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 05:59:37,434 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 05:59:37,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 05:59:37,434 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 05:59:37,434 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 05:59:37,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 05:59:37,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 05:59:37,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 05:59:37,635 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 05:59:37,636 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 05:59:37,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label30.c [2023-12-22 05:59:38,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 05:59:39,857 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 05:59:39,858 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label30.c [2023-12-22 05:59:40,048 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdb52b9e8/67ebe6c7485b46e0b220648aeca08192/FLAG34fe2b62e [2023-12-22 05:59:40,063 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdb52b9e8/67ebe6c7485b46e0b220648aeca08192 [2023-12-22 05:59:40,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 05:59:40,106 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 05:59:40,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 05:59:40,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 05:59:40,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 05:59:40,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:59:40" (1/1) ... [2023-12-22 05:59:40,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79fe6467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:40, skipping insertion in model container [2023-12-22 05:59:40,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:59:40" (1/1) ... [2023-12-22 05:59:40,622 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 05:59:47,389 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_label30.c[2770351,2770364] [2023-12-22 05:59:47,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 05:59:47,471 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 05:59:51,263 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_label30.c[2770351,2770364] [2023-12-22 05:59:51,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 05:59:52,108 INFO L206 MainTranslator]: Completed translation [2023-12-22 05:59:52,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52 WrapperNode [2023-12-22 05:59:52,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 05:59:52,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 05:59:52,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 05:59:52,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 05:59:52,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52" (1/1) ... [2023-12-22 05:59:52,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52" (1/1) ... [2023-12-22 05:59:54,817 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83772 [2023-12-22 05:59:54,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 05:59:54,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 05:59:54,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 05:59:54,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 05:59:54,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52" (1/1) ... [2023-12-22 05:59:54,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52" (1/1) ... [2023-12-22 05:59:55,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52" (1/1) ... [2023-12-22 05:59:55,528 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 05:59:55,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52" (1/1) ... [2023-12-22 05:59:55,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52" (1/1) ... [2023-12-22 05:59:56,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52" (1/1) ... [2023-12-22 05:59:56,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52" (1/1) ... [2023-12-22 05:59:56,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52" (1/1) ... [2023-12-22 05:59:56,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52" (1/1) ... [2023-12-22 05:59:57,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 05:59:57,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 05:59:57,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 05:59:57,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 05:59:57,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52" (1/1) ... [2023-12-22 05:59:57,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 05:59:57,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 05:59:57,138 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 05:59:57,139 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 05:59:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 05:59:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 05:59:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 05:59:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 05:59:57,275 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 05:59:57,277 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 06:00:45,095 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 06:00:45,371 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 06:00:45,371 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 06:00:45,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:00:45 BoogieIcfgContainer [2023-12-22 06:00:45,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 06:00:45,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 06:00:45,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 06:00:45,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 06:00:45,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 05:59:40" (1/3) ... [2023-12-22 06:00:45,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fcf2504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:00:45, skipping insertion in model container [2023-12-22 06:00:45,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:59:52" (2/3) ... [2023-12-22 06:00:45,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fcf2504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:00:45, skipping insertion in model container [2023-12-22 06:00:45,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:00:45" (3/3) ... [2023-12-22 06:00:45,387 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label30.c [2023-12-22 06:00:45,400 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 06:00:45,401 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 06:00:45,653 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 06:00:45,673 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;@14c23c5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 06:00:45,673 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 06:00:45,729 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 06:00:46,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10107 [2023-12-22 06:00:46,670 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 06:00:46,687 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] [2023-12-22 06:00:46,690 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 06:00:46,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 06:00:46,699 INFO L85 PathProgramCache]: Analyzing trace with hash 832936659, now seen corresponding path program 1 times [2023-12-22 06:00:46,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 06:00:46,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791002131] [2023-12-22 06:00:46,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 06:00:46,868 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 06:00:46,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 06:00:46,871 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 06:00:46,931 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 06:00:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 06:00:52,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 10243 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 06:00:52,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 06:00:52,688 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 06:00:52,688 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 06:00:52,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 06:00:52,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791002131] [2023-12-22 06:00:52,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791002131] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 06:00:52,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 06:00:52,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 06:00:52,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805930469] [2023-12-22 06:00:52,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 06:00:52,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 06:00:52,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 06:00:52,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 06:00:52,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 06:00:52,979 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 5053.0) internal successors, (10106), 2 states have internal predecessors, (10106), 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 06:00:53,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 06:00:53,441 INFO L93 Difference]: Finished difference Result 20389 states and 40675 transitions. [2023-12-22 06:00:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 06:00:53,461 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5053.0) internal successors, (10106), 2 states have internal predecessors, (10106), 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 10106 [2023-12-22 06:00:53,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 06:00:53,579 INFO L225 Difference]: With dead ends: 20389 [2023-12-22 06:00:53,579 INFO L226 Difference]: Without dead ends: 10193 [2023-12-22 06:00:53,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10105 GetRequests, 10105 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 06:00:53,614 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 06:00:53,615 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 06:00:53,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10193 states. [2023-12-22 06:00:53,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10193 to 10193. [2023-12-22 06:00:54,034 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 06:00:54,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10193 states to 10193 states and 20273 transitions. [2023-12-22 06:00:54,077 INFO L78 Accepts]: Start accepts. Automaton has 10193 states and 20273 transitions. Word has length 10106 [2023-12-22 06:00:54,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 06:00:54,110 INFO L495 AbstractCegarLoop]: Abstraction has 10193 states and 20273 transitions. [2023-12-22 06:00:54,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5053.0) internal successors, (10106), 2 states have internal predecessors, (10106), 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 06:00:54,122 INFO L276 IsEmpty]: Start isEmpty. Operand 10193 states and 20273 transitions. [2023-12-22 06:00:55,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10107 [2023-12-22 06:00:55,007 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 06:00:55,011 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 06:00:55,032 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 06:00:55,229 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 06:00:55,230 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 06:00:55,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 06:00:55,233 INFO L85 PathProgramCache]: Analyzing trace with hash -2104095815, now seen corresponding path program 1 times [2023-12-22 06:00:55,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 06:00:55,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305402931] [2023-12-22 06:00:55,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 06:00:55,333 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 06:00:55,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 06:00:55,335 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 06:00:55,380 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 06:00:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 06:00:59,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 10243 conjuncts, 102 conjunts are in the unsatisfiable core [2023-12-22 06:00:59,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 06:12:23,353 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 06:12:23,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 06:12:23,365 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 06:12:23,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305402931] [2023-12-22 06:12:23,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305402931] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 06:12:23,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 06:12:23,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2023-12-22 06:12:23,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854318380] [2023-12-22 06:12:23,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 06:12:23,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-12-22 06:12:23,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 06:12:23,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-12-22 06:12:23,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=2399, Unknown=0, NotChecked=0, Total=2550 [2023-12-22 06:12:23,424 INFO L87 Difference]: Start difference. First operand 10193 states and 20273 transitions. Second operand has 51 states, 51 states have (on average 198.15686274509804) internal successors, (10106), 50 states have internal predecessors, (10106), 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 06:14:06,456 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 06:14:06,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-22 06:14:06,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10120 GetRequests, 10056 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=300, Invalid=3990, Unknown=0, NotChecked=0, Total=4290 [2023-12-22 06:14:06,477 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 4645 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 120744 mSolverCounterSat, 3481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4645 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 124225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3481 IncrementalHoareTripleChecker+Valid, 120744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99.8s IncrementalHoareTripleChecker+Time [2023-12-22 06:14:06,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4645 Valid, 567 Invalid, 124225 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3481 Valid, 120744 Invalid, 0 Unknown, 0 Unchecked, 99.8s Time] [2023-12-22 06:14:06,479 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 06:14:06,494 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 06:14:06,502 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 06:14:06,697 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 06:14:06,699 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (10193states) and FLOYD_HOARE automaton (currently 20 states, 51 states before enhancement),while ReachableStatesComputation was computing reachable states (6026 states constructed, input type IntersectNwa). [2023-12-22 06:14:06,702 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-22 06:14:06,704 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 06:14:06,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:14:06 BoogieIcfgContainer [2023-12-22 06:14:06,706 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 06:14:06,706 INFO L158 Benchmark]: Toolchain (without parser) took 866600.88ms. Allocated memory was 587.2MB in the beginning and 5.9GB in the end (delta: 5.3GB). Free memory was 452.7MB in the beginning and 3.2GB in the end (delta: -2.8GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2023-12-22 06:14:06,706 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 219.2MB. Free memory is still 168.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 06:14:06,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 12001.50ms. Allocated memory was 587.2MB in the beginning and 2.5GB in the end (delta: 1.9GB). Free memory was 452.7MB in the beginning and 1.8GB in the end (delta: -1.3GB). Peak memory consumption was 986.7MB. Max. memory is 8.0GB. [2023-12-22 06:14:06,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 2707.16ms. Allocated memory was 2.5GB in the beginning and 3.1GB in the end (delta: 616.6MB). Free memory was 1.8GB in the beginning and 2.1GB in the end (delta: -302.5MB). Peak memory consumption was 317.2MB. Max. memory is 8.0GB. [2023-12-22 06:14:06,707 INFO L158 Benchmark]: Boogie Preprocessor took 2272.94ms. Allocated memory was 3.1GB in the beginning and 4.1GB in the end (delta: 974.1MB). Free memory was 2.1GB in the beginning and 2.9GB in the end (delta: -788.0MB). Peak memory consumption was 317.2MB. Max. memory is 8.0GB. [2023-12-22 06:14:06,717 INFO L158 Benchmark]: RCFGBuilder took 48280.06ms. Allocated memory was 4.1GB in the beginning and 5.4GB in the end (delta: 1.3GB). Free memory was 2.9GB in the beginning and 3.9GB in the end (delta: -1.0GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-12-22 06:14:06,717 INFO L158 Benchmark]: TraceAbstraction took 801332.58ms. Allocated memory was 5.4GB in the beginning and 5.9GB in the end (delta: 428.9MB). Free memory was 3.9GB in the beginning and 3.2GB in the end (delta: 679.1MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-12-22 06:14:06,719 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 219.2MB. Free memory is still 168.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 12001.50ms. Allocated memory was 587.2MB in the beginning and 2.5GB in the end (delta: 1.9GB). Free memory was 452.7MB in the beginning and 1.8GB in the end (delta: -1.3GB). Peak memory consumption was 986.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 2707.16ms. Allocated memory was 2.5GB in the beginning and 3.1GB in the end (delta: 616.6MB). Free memory was 1.8GB in the beginning and 2.1GB in the end (delta: -302.5MB). Peak memory consumption was 317.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 2272.94ms. Allocated memory was 3.1GB in the beginning and 4.1GB in the end (delta: 974.1MB). Free memory was 2.1GB in the beginning and 2.9GB in the end (delta: -788.0MB). Peak memory consumption was 317.2MB. Max. memory is 8.0GB. * RCFGBuilder took 48280.06ms. Allocated memory was 4.1GB in the beginning and 5.4GB in the end (delta: 1.3GB). Free memory was 2.9GB in the beginning and 3.9GB in the end (delta: -1.0GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * TraceAbstraction took 801332.58ms. Allocated memory was 5.4GB in the beginning and 5.9GB in the end (delta: 428.9MB). Free memory was 3.9GB in the beginning and 3.2GB in the end (delta: 679.1MB). Peak memory consumption was 1.1GB. 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: 73569]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 73569). Cancelled while NwaCegarLoop was constructing difference of abstraction (10193states) and FLOYD_HOARE automaton (currently 20 states, 51 states before enhancement),while ReachableStatesComputation was computing reachable states (6026 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10195 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 801.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.9s, AutomataDifference: 103.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4645 SdHoareTripleChecker+Valid, 99.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4645 mSDsluCounter, 20840 SdHoareTripleChecker+Invalid, 88.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 510 mSDsCounter, 3481 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120746 IncrementalHoareTripleChecker+Invalid, 124227 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3481 mSolverCounterUnsat, 20330 mSDtfsCounter, 120746 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20225 GetRequests, 20161 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 6.2s 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: 0.5s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.6s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 684.8s InterpolantComputationTime, 20212 NumberOfCodeBlocks, 20212 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20210 ConstructedInterpolants, 0 QuantifiedInterpolants, 778210 SizeOfPredicates, 93 NumberOfNonLiveVariables, 20486 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