/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/Problem09_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 08:08:45,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 08:08:45,081 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 08:08:45,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 08:08:45,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 08:08:45,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 08:08:45,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 08:08:45,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 08:08:45,106 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 08:08:45,106 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 08:08:45,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 08:08:45,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 08:08:45,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 08:08:45,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 08:08:45,108 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 08:08:45,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 08:08:45,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 08:08:45,109 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 08:08:45,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 08:08:45,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 08:08:45,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 08:08:45,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 08:08:45,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 08:08:45,112 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 08:08:45,113 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 08:08:45,113 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 08:08:45,113 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 08:08:45,113 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 08:08:45,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 08:08:45,114 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 08:08:45,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 08:08:45,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 08:08:45,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 08:08:45,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 08:08:45,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 08:08:45,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 08:08:45,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 08:08:45,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 08:08:45,115 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 08:08:45,116 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 08:08:45,116 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 08:08:45,118 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 08:08:45,118 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 08:08:45,118 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 08:08:45,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 08:08:45,118 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 08:08:45,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 08:08:45,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 08:08:45,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 08:08:45,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 08:08:45,342 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 08:08:45,342 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 08:08:45,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem09_label44.c [2023-12-22 08:08:46,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 08:08:48,211 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 08:08:48,211 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem09_label44.c [2023-12-22 08:08:48,447 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9076d356f/2e13c875b88f40d7b94f9e1c105a5b47/FLAGd16c70601 [2023-12-22 08:08:48,457 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9076d356f/2e13c875b88f40d7b94f9e1c105a5b47 [2023-12-22 08:08:48,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 08:08:48,459 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 08:08:48,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 08:08:48,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 08:08:48,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 08:08:48,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:08:48" (1/1) ... [2023-12-22 08:08:48,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5053da9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:08:48, skipping insertion in model container [2023-12-22 08:08:48,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:08:48" (1/1) ... [2023-12-22 08:08:49,536 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 08:09:06,641 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/Problem09_label44.c[6303242,6303255] [2023-12-22 08:09:06,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 08:09:06,741 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 08:09:15,765 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/Problem09_label44.c[6303242,6303255] [2023-12-22 08:09:15,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 08:09:19,898 INFO L206 MainTranslator]: Completed translation [2023-12-22 08:09:19,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19 WrapperNode [2023-12-22 08:09:19,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 08:09:19,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 08:09:19,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 08:09:19,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 08:09:19,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19" (1/1) ... [2023-12-22 08:09:21,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19" (1/1) ... [2023-12-22 08:09:26,098 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197817 [2023-12-22 08:09:26,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 08:09:26,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 08:09:26,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 08:09:26,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 08:09:26,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19" (1/1) ... [2023-12-22 08:09:26,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19" (1/1) ... [2023-12-22 08:09:27,548 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19" (1/1) ... [2023-12-22 08:09:28,523 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 08:09:28,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19" (1/1) ... [2023-12-22 08:09:28,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19" (1/1) ... [2023-12-22 08:09:30,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19" (1/1) ... [2023-12-22 08:09:31,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19" (1/1) ... [2023-12-22 08:09:31,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19" (1/1) ... [2023-12-22 08:09:31,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19" (1/1) ... [2023-12-22 08:09:33,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 08:09:33,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 08:09:33,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 08:09:33,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 08:09:33,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19" (1/1) ... [2023-12-22 08:09:33,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 08:09:33,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 08:09:33,093 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 08:09:33,136 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 08:09:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 08:09:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 08:09:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 08:09:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 08:09:33,391 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 08:09:33,392 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 08:11:03,124 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 08:11:03,334 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 08:11:03,335 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 08:11:03,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:11:03 BoogieIcfgContainer [2023-12-22 08:11:03,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 08:11:03,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 08:11:03,338 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 08:11:03,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 08:11:03,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 08:08:48" (1/3) ... [2023-12-22 08:11:03,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2257d3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:11:03, skipping insertion in model container [2023-12-22 08:11:03,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:09:19" (2/3) ... [2023-12-22 08:11:03,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2257d3ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:11:03, skipping insertion in model container [2023-12-22 08:11:03,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:11:03" (3/3) ... [2023-12-22 08:11:03,343 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem09_label44.c [2023-12-22 08:11:03,354 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 08:11:03,354 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 08:11:03,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 08:11:03,561 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;@6a1c8156, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 08:11:03,561 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 08:11:03,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 20294 states, 20292 states have (on average 1.9052828700965898) internal successors, (38662), 20293 states have internal predecessors, (38662), 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 08:11:04,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16482 [2023-12-22 08:11:04,878 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 08:11:04,887 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] [2023-12-22 08:11:04,888 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 08:11:04,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 08:11:04,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1186151862, now seen corresponding path program 1 times [2023-12-22 08:11:05,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 08:11:05,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532394676] [2023-12-22 08:11:05,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 08:11:05,061 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 08:11:05,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 08:11:05,063 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 08:11:05,066 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 08:11:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 08:11:12,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 16690 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 08:11:12,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 08:11:13,302 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 08:11:13,303 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 08:11:13,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 08:11:13,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532394676] [2023-12-22 08:11:13,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [532394676] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 08:11:13,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 08:11:13,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 08:11:13,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022929628] [2023-12-22 08:11:13,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 08:11:13,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 08:11:13,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 08:11:13,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 08:11:13,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 08:11:13,408 INFO L87 Difference]: Start difference. First operand has 20294 states, 20292 states have (on average 1.9052828700965898) internal successors, (38662), 20293 states have internal predecessors, (38662), 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 8240.5) internal successors, (16481), 2 states have internal predecessors, (16481), 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 08:11:13,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 08:11:13,795 INFO L93 Difference]: Finished difference Result 40587 states and 77323 transitions. [2023-12-22 08:11:13,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 08:11:13,802 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8240.5) internal successors, (16481), 2 states have internal predecessors, (16481), 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 16481 [2023-12-22 08:11:13,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 08:11:13,902 INFO L225 Difference]: With dead ends: 40587 [2023-12-22 08:11:13,902 INFO L226 Difference]: Without dead ends: 20292 [2023-12-22 08:11:13,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16480 GetRequests, 16480 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 08:11:13,937 INFO L413 NwaCegarLoop]: 38305 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, 38305 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 08:11:13,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38305 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-22 08:11:13,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20292 states. [2023-12-22 08:11:14,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20292 to 20292. [2023-12-22 08:11:14,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20292 states, 20291 states have (on average 1.8877827608299247) internal successors, (38305), 20291 states have internal predecessors, (38305), 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 08:11:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20292 states to 20292 states and 38305 transitions. [2023-12-22 08:11:14,528 INFO L78 Accepts]: Start accepts. Automaton has 20292 states and 38305 transitions. Word has length 16481 [2023-12-22 08:11:14,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 08:11:14,552 INFO L495 AbstractCegarLoop]: Abstraction has 20292 states and 38305 transitions. [2023-12-22 08:11:14,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8240.5) internal successors, (16481), 2 states have internal predecessors, (16481), 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 08:11:14,557 INFO L276 IsEmpty]: Start isEmpty. Operand 20292 states and 38305 transitions. [2023-12-22 08:11:16,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16482 [2023-12-22 08:11:16,011 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 08:11:16,016 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:11:16,048 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 08:11:16,229 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 08:11:16,230 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 08:11:16,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 08:11:16,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1171480088, now seen corresponding path program 1 times [2023-12-22 08:11:16,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 08:11:16,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88852178] [2023-12-22 08:11:16,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 08:11:16,389 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 08:11:16,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 08:11:16,390 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 08:11:16,393 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 08:11:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 08:11:23,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 16690 conjuncts, 92 conjunts are in the unsatisfiable core [2023-12-22 08:11:24,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 08:19:58,020 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 08:19:58,021 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 08:19:58,021 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 08:19:58,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88852178] [2023-12-22 08:19:58,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [88852178] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 08:19:58,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 08:19:58,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2023-12-22 08:19:58,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572920332] [2023-12-22 08:19:58,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 08:19:58,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-12-22 08:19:58,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 08:19:58,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-12-22 08:19:58,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1399, Unknown=0, NotChecked=0, Total=1482 [2023-12-22 08:19:58,106 INFO L87 Difference]: Start difference. First operand 20292 states and 38305 transitions. Second operand has 39 states, 39 states have (on average 422.5897435897436) internal successors, (16481), 38 states have internal predecessors, (16481), 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 08:22:20,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-22 08:22:20,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16496 GetRequests, 16443 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=403, Invalid=2567, Unknown=0, NotChecked=0, Total=2970 [2023-12-22 08:22:20,371 INFO L413 NwaCegarLoop]: 4236 mSDtfsCounter, 25620 mSDsluCounter, 12563 mSDsCounter, 0 mSdLazyCounter, 211286 mSolverCounterSat, 3174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25620 SdHoareTripleChecker+Valid, 16799 SdHoareTripleChecker+Invalid, 214460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 3174 IncrementalHoareTripleChecker+Valid, 211286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.2s IncrementalHoareTripleChecker+Time [2023-12-22 08:22:20,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25620 Valid, 16799 Invalid, 214460 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [3174 Valid, 211286 Invalid, 0 Unknown, 0 Unchecked, 136.2s Time] [2023-12-22 08:22:20,372 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 08:22:20,387 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 08:22:20,387 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 08:22:20,409 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 08:22:20,585 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 08:22:20,587 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (20292states) and FLOYD_HOARE automaton (currently 20 states, 39 states before enhancement),while ReachableStatesComputation was computing reachable states (11118 states constructed, input type IntersectNwa). [2023-12-22 08:22:20,590 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-22 08:22:20,591 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 08:22:20,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 08:22:20 BoogieIcfgContainer [2023-12-22 08:22:20,593 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 08:22:20,593 INFO L158 Benchmark]: Toolchain (without parser) took 812134.29ms. Allocated memory was 553.6MB in the beginning and 7.0GB in the end (delta: 6.4GB). Free memory was 263.5MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 5.1GB. Max. memory is 8.0GB. [2023-12-22 08:22:20,594 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 133.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 08:22:20,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 31439.35ms. Allocated memory was 553.6MB in the beginning and 2.7GB in the end (delta: 2.2GB). Free memory was 263.5MB in the beginning and 523.0MB in the end (delta: -259.5MB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2023-12-22 08:22:20,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 6198.97ms. Allocated memory was 2.7GB in the beginning and 4.9GB in the end (delta: 2.2GB). Free memory was 523.0MB in the beginning and 2.2GB in the end (delta: -1.7GB). Peak memory consumption was 583.0MB. Max. memory is 8.0GB. [2023-12-22 08:22:20,595 INFO L158 Benchmark]: Boogie Preprocessor took 6901.76ms. Allocated memory was 4.9GB in the beginning and 5.8GB in the end (delta: 930.1MB). Free memory was 2.2GB in the beginning and 3.9GB in the end (delta: -1.7GB). Peak memory consumption was 465.0MB. Max. memory is 8.0GB. [2023-12-22 08:22:20,595 INFO L158 Benchmark]: RCFGBuilder took 90334.32ms. Allocated memory was 5.8GB in the beginning and 6.7GB in the end (delta: 835.7MB). Free memory was 3.9GB in the beginning and 4.2GB in the end (delta: -322.5MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-12-22 08:22:20,595 INFO L158 Benchmark]: TraceAbstraction took 677254.78ms. Allocated memory was 6.7GB in the beginning and 7.0GB in the end (delta: 337.6MB). Free memory was 4.2GB in the beginning and 1.6GB in the end (delta: 2.7GB). Peak memory consumption was 3.0GB. Max. memory is 8.0GB. [2023-12-22 08:22:20,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 133.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 31439.35ms. Allocated memory was 553.6MB in the beginning and 2.7GB in the end (delta: 2.2GB). Free memory was 263.5MB in the beginning and 523.0MB in the end (delta: -259.5MB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 6198.97ms. Allocated memory was 2.7GB in the beginning and 4.9GB in the end (delta: 2.2GB). Free memory was 523.0MB in the beginning and 2.2GB in the end (delta: -1.7GB). Peak memory consumption was 583.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 6901.76ms. Allocated memory was 4.9GB in the beginning and 5.8GB in the end (delta: 930.1MB). Free memory was 2.2GB in the beginning and 3.9GB in the end (delta: -1.7GB). Peak memory consumption was 465.0MB. Max. memory is 8.0GB. * RCFGBuilder took 90334.32ms. Allocated memory was 5.8GB in the beginning and 6.7GB in the end (delta: 835.7MB). Free memory was 3.9GB in the beginning and 4.2GB in the end (delta: -322.5MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * TraceAbstraction took 677254.78ms. Allocated memory was 6.7GB in the beginning and 7.0GB in the end (delta: 337.6MB). Free memory was 4.2GB in the beginning and 1.6GB in the end (delta: 2.7GB). Peak memory consumption was 3.0GB. 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: 184909]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 184909). Cancelled while NwaCegarLoop was constructing difference of abstraction (20292states) and FLOYD_HOARE automaton (currently 20 states, 39 states before enhancement),while ReachableStatesComputation was computing reachable states (11118 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20294 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 677.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.8s, AutomataDifference: 142.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25620 SdHoareTripleChecker+Valid, 136.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25620 mSDsluCounter, 55104 SdHoareTripleChecker+Invalid, 120.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12563 mSDsCounter, 3174 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 211288 IncrementalHoareTripleChecker+Invalid, 214462 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3174 mSolverCounterUnsat, 42541 mSDtfsCounter, 211288 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32976 GetRequests, 32923 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20294occurred 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: 0.6s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.5s SsaConstructionTime, 8.2s SatisfiabilityAnalysisTime, 515.5s InterpolantComputationTime, 32962 NumberOfCodeBlocks, 32962 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32960 ConstructedInterpolants, 0 QuantifiedInterpolants, 471860 SizeOfPredicates, 73 NumberOfNonLiveVariables, 33380 ConjunctsInSsa, 93 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