/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/Problem02_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 03:33:24,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 03:33:24,941 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 03:33:24,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 03:33:24,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 03:33:24,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 03:33:24,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 03:33:24,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 03:33:24,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 03:33:24,959 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 03:33:24,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 03:33:24,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 03:33:24,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 03:33:24,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 03:33:24,960 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 03:33:24,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 03:33:24,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 03:33:24,961 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 03:33:24,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 03:33:24,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 03:33:24,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 03:33:24,962 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 03:33:24,962 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 03:33:24,962 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 03:33:24,963 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 03:33:24,963 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 03:33:24,963 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 03:33:24,963 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 03:33:24,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 03:33:24,963 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 03:33:24,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 03:33:24,964 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 03:33:24,964 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 03:33:24,964 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 03:33:24,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 03:33:24,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 03:33:24,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 03:33:24,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 03:33:24,965 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 03:33:24,965 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 03:33:24,965 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 03:33:24,965 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 03:33:24,965 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 03:33:24,966 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 03:33:24,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 03:33:24,966 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 03:33:24,966 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 03:33:25,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 03:33:25,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 03:33:25,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 03:33:25,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 03:33:25,153 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 03:33:25,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2023-12-22 03:33:26,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 03:33:26,500 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 03:33:26,501 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2023-12-22 03:33:26,508 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b2d899b/ec99c2813645435bb46453be0a2302bc/FLAG2e1125895 [2023-12-22 03:33:26,517 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b2d899b/ec99c2813645435bb46453be0a2302bc [2023-12-22 03:33:26,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 03:33:26,520 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 03:33:26,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 03:33:26,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 03:33:26,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 03:33:26,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:26,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bbe6ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26, skipping insertion in model container [2023-12-22 03:33:26,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:26,564 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 03:33:26,797 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/Problem02_label42.c[16787,16800] [2023-12-22 03:33:26,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 03:33:26,831 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 03:33:26,919 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/Problem02_label42.c[16787,16800] [2023-12-22 03:33:26,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 03:33:26,949 INFO L206 MainTranslator]: Completed translation [2023-12-22 03:33:26,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26 WrapperNode [2023-12-22 03:33:26,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 03:33:26,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 03:33:26,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 03:33:26,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 03:33:26,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:26,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:27,022 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 667 [2023-12-22 03:33:27,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 03:33:27,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 03:33:27,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 03:33:27,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 03:33:27,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:27,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:27,035 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:27,060 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 03:33:27,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:27,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:27,086 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:27,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:27,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:27,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:27,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 03:33:27,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 03:33:27,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 03:33:27,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 03:33:27,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26" (1/1) ... [2023-12-22 03:33:27,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 03:33:27,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 03:33:27,126 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 03:33:27,163 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 03:33:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 03:33:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 03:33:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 03:33:27,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 03:33:27,252 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 03:33:27,254 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 03:33:28,107 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 03:33:28,157 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 03:33:28,158 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 03:33:28,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:33:28 BoogieIcfgContainer [2023-12-22 03:33:28,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 03:33:28,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 03:33:28,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 03:33:28,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 03:33:28,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:33:26" (1/3) ... [2023-12-22 03:33:28,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b2340d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:33:28, skipping insertion in model container [2023-12-22 03:33:28,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:26" (2/3) ... [2023-12-22 03:33:28,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b2340d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:33:28, skipping insertion in model container [2023-12-22 03:33:28,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:33:28" (3/3) ... [2023-12-22 03:33:28,165 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label42.c [2023-12-22 03:33:28,177 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 03:33:28,177 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 03:33:28,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 03:33:28,221 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;@13cb9bdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 03:33:28,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 03:33:28,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 163 states have (on average 1.9202453987730062) internal successors, (313), 164 states have internal predecessors, (313), 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 03:33:28,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-22 03:33:28,234 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:28,235 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] [2023-12-22 03:33:28,235 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:28,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:28,240 INFO L85 PathProgramCache]: Analyzing trace with hash 754881723, now seen corresponding path program 1 times [2023-12-22 03:33:28,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:28,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809450221] [2023-12-22 03:33:28,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:28,252 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 03:33:28,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:28,262 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 03:33:28,263 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 03:33:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:28,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 03:33:28,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:28,391 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 03:33:28,391 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:28,392 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:28,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1809450221] [2023-12-22 03:33:28,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1809450221] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:28,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:28,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 03:33:28,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284682878] [2023-12-22 03:33:28,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:28,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 03:33:28,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:28,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 03:33:28,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 03:33:28,427 INFO L87 Difference]: Start difference. First operand has 165 states, 163 states have (on average 1.9202453987730062) internal successors, (313), 164 states have internal predecessors, (313), 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 49.5) internal successors, (99), 2 states have internal predecessors, (99), 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 03:33:28,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:28,471 INFO L93 Difference]: Finished difference Result 329 states and 625 transitions. [2023-12-22 03:33:28,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 03:33:28,473 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 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 99 [2023-12-22 03:33:28,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:28,483 INFO L225 Difference]: With dead ends: 329 [2023-12-22 03:33:28,483 INFO L226 Difference]: Without dead ends: 163 [2023-12-22 03:33:28,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 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 03:33:28,490 INFO L413 NwaCegarLoop]: 248 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, 248 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 03:33:28,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-22 03:33:28,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-22 03:33:28,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2023-12-22 03:33:28,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.5308641975308641) internal successors, (248), 162 states have internal predecessors, (248), 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 03:33:28,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 248 transitions. [2023-12-22 03:33:28,533 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 248 transitions. Word has length 99 [2023-12-22 03:33:28,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:28,534 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 248 transitions. [2023-12-22 03:33:28,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 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 03:33:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 248 transitions. [2023-12-22 03:33:28,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-22 03:33:28,537 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:28,537 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] [2023-12-22 03:33:28,540 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 03:33:28,739 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 03:33:28,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:28,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:28,741 INFO L85 PathProgramCache]: Analyzing trace with hash -180612402, now seen corresponding path program 1 times [2023-12-22 03:33:28,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:28,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704329167] [2023-12-22 03:33:28,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:28,742 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 03:33:28,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:28,744 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 03:33:28,752 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 03:33:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:28,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-22 03:33:28,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:31,764 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 03:33:31,765 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:31,765 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:31,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704329167] [2023-12-22 03:33:31,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704329167] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:31,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:31,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-22 03:33:31,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042579626] [2023-12-22 03:33:31,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:31,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-22 03:33:31,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:31,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-22 03:33:31,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-22 03:33:31,768 INFO L87 Difference]: Start difference. First operand 163 states and 248 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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 03:33:33,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:33,351 INFO L93 Difference]: Finished difference Result 667 states and 1040 transitions. [2023-12-22 03:33:33,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-22 03:33:33,352 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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 99 [2023-12-22 03:33:33,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:33,354 INFO L225 Difference]: With dead ends: 667 [2023-12-22 03:33:33,354 INFO L226 Difference]: Without dead ends: 505 [2023-12-22 03:33:33,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2023-12-22 03:33:33,356 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 403 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1775 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 1925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:33,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 183 Invalid, 1925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1775 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-22 03:33:33,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2023-12-22 03:33:33,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 504. [2023-12-22 03:33:33,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 503 states have (on average 1.2803180914512922) internal successors, (644), 503 states have internal predecessors, (644), 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 03:33:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 644 transitions. [2023-12-22 03:33:33,375 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 644 transitions. Word has length 99 [2023-12-22 03:33:33,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:33,375 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 644 transitions. [2023-12-22 03:33:33,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 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 03:33:33,376 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 644 transitions. [2023-12-22 03:33:33,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-22 03:33:33,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:33,378 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:33,382 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 (3)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:33,580 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 03:33:33,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:33,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:33,580 INFO L85 PathProgramCache]: Analyzing trace with hash -382902265, now seen corresponding path program 1 times [2023-12-22 03:33:33,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:33,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914797440] [2023-12-22 03:33:33,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:33,582 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 03:33:33,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:33,583 INFO L229 MonitoredProcess]: Starting monitored process 4 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 03:33:33,585 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 (4)] Waiting until timeout for monitored process [2023-12-22 03:33:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:33,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-22 03:33:33,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:34,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:33:34,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:34,694 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:34,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914797440] [2023-12-22 03:33:34,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914797440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:34,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:34,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-22 03:33:34,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35702422] [2023-12-22 03:33:34,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:34,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-22 03:33:34,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:34,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-22 03:33:34,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2023-12-22 03:33:34,696 INFO L87 Difference]: Start difference. First operand 504 states and 644 transitions. Second operand has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 8 states have internal predecessors, (104), 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 03:33:35,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:35,496 INFO L93 Difference]: Finished difference Result 1366 states and 1827 transitions. [2023-12-22 03:33:35,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-22 03:33:35,497 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 8 states have internal predecessors, (104), 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 104 [2023-12-22 03:33:35,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:35,499 INFO L225 Difference]: With dead ends: 1366 [2023-12-22 03:33:35,499 INFO L226 Difference]: Without dead ends: 797 [2023-12-22 03:33:35,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2023-12-22 03:33:35,502 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 204 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:35,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 105 Invalid, 1107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-22 03:33:35,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2023-12-22 03:33:35,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2023-12-22 03:33:35,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 796 states have (on average 1.2663316582914572) internal successors, (1008), 796 states have internal predecessors, (1008), 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 03:33:35,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1008 transitions. [2023-12-22 03:33:35,561 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1008 transitions. Word has length 104 [2023-12-22 03:33:35,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:35,561 INFO L495 AbstractCegarLoop]: Abstraction has 797 states and 1008 transitions. [2023-12-22 03:33:35,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 8 states have internal predecessors, (104), 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 03:33:35,562 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1008 transitions. [2023-12-22 03:33:35,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-22 03:33:35,570 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:35,570 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:35,582 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 (4)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:35,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 03:33:35,772 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:35,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:35,772 INFO L85 PathProgramCache]: Analyzing trace with hash -365695768, now seen corresponding path program 1 times [2023-12-22 03:33:35,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:35,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1712024607] [2023-12-22 03:33:35,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:35,774 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 03:33:35,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:35,784 INFO L229 MonitoredProcess]: Starting monitored process 5 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 03:33:35,797 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 (5)] Waiting until timeout for monitored process [2023-12-22 03:33:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:35,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:33:35,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:33:35,883 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:35,886 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:35,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1712024607] [2023-12-22 03:33:35,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1712024607] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:35,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:35,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:35,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799188095] [2023-12-22 03:33:35,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:35,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:35,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:35,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:35,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:35,890 INFO L87 Difference]: Start difference. First operand 797 states and 1008 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 03:33:36,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:36,387 INFO L93 Difference]: Finished difference Result 2157 states and 2767 transitions. [2023-12-22 03:33:36,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:36,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 112 [2023-12-22 03:33:36,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:36,392 INFO L225 Difference]: With dead ends: 2157 [2023-12-22 03:33:36,392 INFO L226 Difference]: Without dead ends: 1361 [2023-12-22 03:33:36,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:36,395 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:36,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 256 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-22 03:33:36,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2023-12-22 03:33:36,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1357. [2023-12-22 03:33:36,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1356 states have (on average 1.1843657817109146) internal successors, (1606), 1356 states have internal predecessors, (1606), 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 03:33:36,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1606 transitions. [2023-12-22 03:33:36,438 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1606 transitions. Word has length 112 [2023-12-22 03:33:36,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:36,438 INFO L495 AbstractCegarLoop]: Abstraction has 1357 states and 1606 transitions. [2023-12-22 03:33:36,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 03:33:36,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1606 transitions. [2023-12-22 03:33:36,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-22 03:33:36,440 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:36,441 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:36,447 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 (5)] Ended with exit code 0 [2023-12-22 03:33:36,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 03:33:36,646 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:36,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:36,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1751562182, now seen corresponding path program 1 times [2023-12-22 03:33:36,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:36,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802342602] [2023-12-22 03:33:36,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:36,648 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 03:33:36,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:36,649 INFO L229 MonitoredProcess]: Starting monitored process 6 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 03:33:36,652 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 (6)] Waiting until timeout for monitored process [2023-12-22 03:33:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:36,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:33:36,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-22 03:33:36,756 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:36,756 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:36,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802342602] [2023-12-22 03:33:36,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1802342602] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:36,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:36,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 03:33:36,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411736100] [2023-12-22 03:33:36,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:36,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:36,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:36,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:36,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:36,758 INFO L87 Difference]: Start difference. First operand 1357 states and 1606 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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 03:33:37,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:37,377 INFO L93 Difference]: Finished difference Result 3274 states and 3844 transitions. [2023-12-22 03:33:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:37,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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 116 [2023-12-22 03:33:37,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:37,381 INFO L225 Difference]: With dead ends: 3274 [2023-12-22 03:33:37,381 INFO L226 Difference]: Without dead ends: 1356 [2023-12-22 03:33:37,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:37,383 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 177 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:37,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 91 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-22 03:33:37,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2023-12-22 03:33:37,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1356. [2023-12-22 03:33:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1355 states have (on average 1.1387453874538744) internal successors, (1543), 1355 states have internal predecessors, (1543), 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 03:33:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1543 transitions. [2023-12-22 03:33:37,411 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1543 transitions. Word has length 116 [2023-12-22 03:33:37,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:37,412 INFO L495 AbstractCegarLoop]: Abstraction has 1356 states and 1543 transitions. [2023-12-22 03:33:37,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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 03:33:37,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1543 transitions. [2023-12-22 03:33:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-22 03:33:37,415 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:37,415 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:37,420 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 (6)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:37,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 03:33:37,621 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:37,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:37,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1195195950, now seen corresponding path program 1 times [2023-12-22 03:33:37,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:37,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [355416486] [2023-12-22 03:33:37,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:37,622 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 03:33:37,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:37,623 INFO L229 MonitoredProcess]: Starting monitored process 7 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 03:33:37,647 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 (7)] Waiting until timeout for monitored process [2023-12-22 03:33:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:37,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:33:37,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:37,689 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-22 03:33:37,689 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:37,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:37,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [355416486] [2023-12-22 03:33:37,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [355416486] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:37,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:37,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:37,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252461894] [2023-12-22 03:33:37,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:37,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:37,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:37,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:37,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:37,691 INFO L87 Difference]: Start difference. First operand 1356 states and 1543 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 03:33:38,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:38,108 INFO L93 Difference]: Finished difference Result 2414 states and 2767 transitions. [2023-12-22 03:33:38,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:38,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 133 [2023-12-22 03:33:38,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:38,111 INFO L225 Difference]: With dead ends: 2414 [2023-12-22 03:33:38,111 INFO L226 Difference]: Without dead ends: 1059 [2023-12-22 03:33:38,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:38,113 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 149 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:38,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 233 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:33:38,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2023-12-22 03:33:38,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 919. [2023-12-22 03:33:38,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 918 states have (on average 1.1013071895424837) internal successors, (1011), 918 states have internal predecessors, (1011), 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 03:33:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1011 transitions. [2023-12-22 03:33:38,126 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1011 transitions. Word has length 133 [2023-12-22 03:33:38,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:38,126 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1011 transitions. [2023-12-22 03:33:38,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 03:33:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1011 transitions. [2023-12-22 03:33:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-22 03:33:38,128 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:38,128 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:38,145 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 (7)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:38,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 03:33:38,331 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:38,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:38,331 INFO L85 PathProgramCache]: Analyzing trace with hash 247569820, now seen corresponding path program 1 times [2023-12-22 03:33:38,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:38,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106150655] [2023-12-22 03:33:38,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:38,332 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 03:33:38,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:38,333 INFO L229 MonitoredProcess]: Starting monitored process 8 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 03:33:38,335 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 (8)] Waiting until timeout for monitored process [2023-12-22 03:33:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:38,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-22 03:33:38,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:39,150 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:33:39,150 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:39,150 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:39,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106150655] [2023-12-22 03:33:39,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106150655] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:39,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:39,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-22 03:33:39,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673859980] [2023-12-22 03:33:39,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:39,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-22 03:33:39,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:39,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-22 03:33:39,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-22 03:33:39,152 INFO L87 Difference]: Start difference. First operand 919 states and 1011 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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 03:33:40,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:40,136 INFO L93 Difference]: Finished difference Result 2481 states and 2754 transitions. [2023-12-22 03:33:40,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-22 03:33:40,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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 133 [2023-12-22 03:33:40,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:40,143 INFO L225 Difference]: With dead ends: 2481 [2023-12-22 03:33:40,143 INFO L226 Difference]: Without dead ends: 1340 [2023-12-22 03:33:40,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-22 03:33:40,145 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 672 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:40,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 92 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-22 03:33:40,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2023-12-22 03:33:40,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1199. [2023-12-22 03:33:40,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1199 states, 1198 states have (on average 1.0784641068447411) internal successors, (1292), 1198 states have internal predecessors, (1292), 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 03:33:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1292 transitions. [2023-12-22 03:33:40,160 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1292 transitions. Word has length 133 [2023-12-22 03:33:40,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:40,162 INFO L495 AbstractCegarLoop]: Abstraction has 1199 states and 1292 transitions. [2023-12-22 03:33:40,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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 03:33:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1292 transitions. [2023-12-22 03:33:40,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-22 03:33:40,163 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:40,164 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:40,178 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 (8)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:40,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /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 03:33:40,366 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:40,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:40,367 INFO L85 PathProgramCache]: Analyzing trace with hash -20989218, now seen corresponding path program 1 times [2023-12-22 03:33:40,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:40,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251651827] [2023-12-22 03:33:40,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:40,367 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 03:33:40,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:40,370 INFO L229 MonitoredProcess]: Starting monitored process 9 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 03:33:40,373 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 (9)] Waiting until timeout for monitored process [2023-12-22 03:33:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:40,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:33:40,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-22 03:33:40,463 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:40,463 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:40,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251651827] [2023-12-22 03:33:40,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251651827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:40,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:40,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:40,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139390665] [2023-12-22 03:33:40,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:40,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:40,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:40,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:40,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:40,465 INFO L87 Difference]: Start difference. First operand 1199 states and 1292 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 03:33:40,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:40,833 INFO L93 Difference]: Finished difference Result 2677 states and 2897 transitions. [2023-12-22 03:33:40,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:40,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 151 [2023-12-22 03:33:40,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:40,836 INFO L225 Difference]: With dead ends: 2677 [2023-12-22 03:33:40,836 INFO L226 Difference]: Without dead ends: 1052 [2023-12-22 03:33:40,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:40,840 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 118 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:40,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 247 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:33:40,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2023-12-22 03:33:40,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2023-12-22 03:33:40,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.0685061845861086) internal successors, (1123), 1051 states have internal predecessors, (1123), 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 03:33:40,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1123 transitions. [2023-12-22 03:33:40,851 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1123 transitions. Word has length 151 [2023-12-22 03:33:40,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:40,852 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1123 transitions. [2023-12-22 03:33:40,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 03:33:40,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1123 transitions. [2023-12-22 03:33:40,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-22 03:33:40,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:40,853 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:40,858 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 (9)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:41,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /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 03:33:41,056 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:41,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:41,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1252786067, now seen corresponding path program 1 times [2023-12-22 03:33:41,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:41,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174975000] [2023-12-22 03:33:41,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:41,058 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 03:33:41,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:41,058 INFO L229 MonitoredProcess]: Starting monitored process 10 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 03:33:41,064 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 (10)] Waiting until timeout for monitored process [2023-12-22 03:33:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:41,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-22 03:33:41,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 71 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:33:41,294 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 03:33:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 71 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:33:41,495 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:41,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174975000] [2023-12-22 03:33:41,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174975000] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 03:33:41,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 03:33:41,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-22 03:33:41,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200917106] [2023-12-22 03:33:41,496 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 03:33:41,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-22 03:33:41,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:41,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-22 03:33:41,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-22 03:33:41,497 INFO L87 Difference]: Start difference. First operand 1052 states and 1123 transitions. Second operand has 8 states, 8 states have (on average 23.0) internal successors, (184), 7 states have internal predecessors, (184), 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 03:33:42,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:42,266 INFO L93 Difference]: Finished difference Result 2536 states and 2720 transitions. [2023-12-22 03:33:42,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-22 03:33:42,267 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.0) internal successors, (184), 7 states have internal predecessors, (184), 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 157 [2023-12-22 03:33:42,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:42,270 INFO L225 Difference]: With dead ends: 2536 [2023-12-22 03:33:42,270 INFO L226 Difference]: Without dead ends: 1485 [2023-12-22 03:33:42,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-12-22 03:33:42,271 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 544 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:42,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 84 Invalid, 1353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-22 03:33:42,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2023-12-22 03:33:42,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1474. [2023-12-22 03:33:42,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1474 states, 1473 states have (on average 1.0644942294636797) internal successors, (1568), 1473 states have internal predecessors, (1568), 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 03:33:42,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 1568 transitions. [2023-12-22 03:33:42,286 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 1568 transitions. Word has length 157 [2023-12-22 03:33:42,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:42,287 INFO L495 AbstractCegarLoop]: Abstraction has 1474 states and 1568 transitions. [2023-12-22 03:33:42,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.0) internal successors, (184), 7 states have internal predecessors, (184), 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 03:33:42,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1568 transitions. [2023-12-22 03:33:42,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-22 03:33:42,288 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:42,288 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:42,312 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 (10)] Ended with exit code 0 [2023-12-22 03:33:42,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /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 03:33:42,491 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:42,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:42,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1725120858, now seen corresponding path program 1 times [2023-12-22 03:33:42,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:42,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248129175] [2023-12-22 03:33:42,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:42,492 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 03:33:42,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:42,493 INFO L229 MonitoredProcess]: Starting monitored process 11 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 03:33:42,516 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 (11)] Waiting until timeout for monitored process [2023-12-22 03:33:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:42,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-22 03:33:42,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-22 03:33:43,620 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:43,620 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:43,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [248129175] [2023-12-22 03:33:43,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [248129175] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:43,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:43,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:43,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760150276] [2023-12-22 03:33:43,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:43,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-22 03:33:43,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:43,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-22 03:33:43,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-22 03:33:43,621 INFO L87 Difference]: Start difference. First operand 1474 states and 1568 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 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 03:33:44,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:44,027 INFO L93 Difference]: Finished difference Result 1842 states and 1942 transitions. [2023-12-22 03:33:44,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-22 03:33:44,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 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 173 [2023-12-22 03:33:44,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:44,030 INFO L225 Difference]: With dead ends: 1842 [2023-12-22 03:33:44,030 INFO L226 Difference]: Without dead ends: 1474 [2023-12-22 03:33:44,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-22 03:33:44,031 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 93 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:44,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 77 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:33:44,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2023-12-22 03:33:44,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1334. [2023-12-22 03:33:44,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1334 states, 1333 states have (on average 1.0570142535633908) internal successors, (1409), 1333 states have internal predecessors, (1409), 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 03:33:44,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1409 transitions. [2023-12-22 03:33:44,045 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1409 transitions. Word has length 173 [2023-12-22 03:33:44,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:44,045 INFO L495 AbstractCegarLoop]: Abstraction has 1334 states and 1409 transitions. [2023-12-22 03:33:44,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 3 states have internal predecessors, (166), 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 03:33:44,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1409 transitions. [2023-12-22 03:33:44,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-22 03:33:44,047 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:44,047 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:44,091 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 (11)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:44,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /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 03:33:44,249 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:44,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:44,250 INFO L85 PathProgramCache]: Analyzing trace with hash -740046543, now seen corresponding path program 1 times [2023-12-22 03:33:44,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:44,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471588549] [2023-12-22 03:33:44,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:44,250 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 03:33:44,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:44,251 INFO L229 MonitoredProcess]: Starting monitored process 12 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 03:33:44,270 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 (12)] Waiting until timeout for monitored process [2023-12-22 03:33:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:44,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:33:44,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-22 03:33:44,379 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:44,379 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:44,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1471588549] [2023-12-22 03:33:44,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1471588549] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:44,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:44,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 03:33:44,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866232792] [2023-12-22 03:33:44,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:44,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:44,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:44,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:44,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:44,380 INFO L87 Difference]: Start difference. First operand 1334 states and 1409 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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 03:33:44,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:44,629 INFO L93 Difference]: Finished difference Result 2953 states and 3125 transitions. [2023-12-22 03:33:44,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:44,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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 198 [2023-12-22 03:33:44,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:44,648 INFO L225 Difference]: With dead ends: 2953 [2023-12-22 03:33:44,648 INFO L226 Difference]: Without dead ends: 1619 [2023-12-22 03:33:44,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:44,650 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 113 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:44,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 77 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-22 03:33:44,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2023-12-22 03:33:44,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1615. [2023-12-22 03:33:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1615 states, 1614 states have (on average 1.0545229244114003) internal successors, (1702), 1614 states have internal predecessors, (1702), 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 03:33:44,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 1702 transitions. [2023-12-22 03:33:44,665 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 1702 transitions. Word has length 198 [2023-12-22 03:33:44,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:44,665 INFO L495 AbstractCegarLoop]: Abstraction has 1615 states and 1702 transitions. [2023-12-22 03:33:44,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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 03:33:44,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 1702 transitions. [2023-12-22 03:33:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-22 03:33:44,667 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:44,667 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:44,686 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 (12)] Ended with exit code 0 [2023-12-22 03:33:44,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /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 03:33:44,870 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:44,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:44,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1876052222, now seen corresponding path program 1 times [2023-12-22 03:33:44,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:44,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555601364] [2023-12-22 03:33:44,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:44,871 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 03:33:44,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:44,872 INFO L229 MonitoredProcess]: Starting monitored process 13 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 03:33:44,874 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 (13)] Waiting until timeout for monitored process [2023-12-22 03:33:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:44,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-22 03:33:44,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:45,380 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 162 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:33:45,381 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 03:33:45,846 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 162 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:33:45,846 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:45,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555601364] [2023-12-22 03:33:45,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1555601364] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 03:33:45,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 03:33:45,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-12-22 03:33:45,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540276120] [2023-12-22 03:33:45,847 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 03:33:45,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-22 03:33:45,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:45,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-22 03:33:45,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-12-22 03:33:45,848 INFO L87 Difference]: Start difference. First operand 1615 states and 1702 transitions. Second operand has 9 states, 9 states have (on average 33.666666666666664) internal successors, (303), 8 states have internal predecessors, (303), 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 03:33:46,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:46,821 INFO L93 Difference]: Finished difference Result 3806 states and 4023 transitions. [2023-12-22 03:33:46,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-22 03:33:46,822 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 33.666666666666664) internal successors, (303), 8 states have internal predecessors, (303), 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 204 [2023-12-22 03:33:46,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:46,825 INFO L225 Difference]: With dead ends: 3806 [2023-12-22 03:33:46,825 INFO L226 Difference]: Without dead ends: 1616 [2023-12-22 03:33:46,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2023-12-22 03:33:46,827 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 985 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1728 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 1804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:46,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 102 Invalid, 1804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1728 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-22 03:33:46,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2023-12-22 03:33:46,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1463. [2023-12-22 03:33:46,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1462 states have (on average 1.0444596443228453) internal successors, (1527), 1462 states have internal predecessors, (1527), 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 03:33:46,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 1527 transitions. [2023-12-22 03:33:46,847 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 1527 transitions. Word has length 204 [2023-12-22 03:33:46,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:46,847 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 1527 transitions. [2023-12-22 03:33:46,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 33.666666666666664) internal successors, (303), 8 states have internal predecessors, (303), 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 03:33:46,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1527 transitions. [2023-12-22 03:33:46,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-22 03:33:46,849 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:46,849 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:46,854 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 (13)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:47,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /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 03:33:47,052 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:47,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:47,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1413809862, now seen corresponding path program 1 times [2023-12-22 03:33:47,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:47,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938844358] [2023-12-22 03:33:47,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:47,053 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 03:33:47,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:47,054 INFO L229 MonitoredProcess]: Starting monitored process 14 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 03:33:47,056 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 (14)] Waiting until timeout for monitored process [2023-12-22 03:33:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:47,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:33:47,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:33:47,173 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:47,173 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:47,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938844358] [2023-12-22 03:33:47,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [938844358] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:47,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:47,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:47,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309778320] [2023-12-22 03:33:47,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:47,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:47,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:47,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:47,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:47,175 INFO L87 Difference]: Start difference. First operand 1463 states and 1527 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 03:33:47,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:47,491 INFO L93 Difference]: Finished difference Result 3063 states and 3205 transitions. [2023-12-22 03:33:47,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:47,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 206 [2023-12-22 03:33:47,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:47,495 INFO L225 Difference]: With dead ends: 3063 [2023-12-22 03:33:47,495 INFO L226 Difference]: Without dead ends: 1601 [2023-12-22 03:33:47,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:47,496 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 87 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:47,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 87 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-22 03:33:47,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2023-12-22 03:33:47,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1461. [2023-12-22 03:33:47,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1460 states have (on average 1.0397260273972602) internal successors, (1518), 1460 states have internal predecessors, (1518), 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 03:33:47,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 1518 transitions. [2023-12-22 03:33:47,511 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 1518 transitions. Word has length 206 [2023-12-22 03:33:47,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:47,511 INFO L495 AbstractCegarLoop]: Abstraction has 1461 states and 1518 transitions. [2023-12-22 03:33:47,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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 03:33:47,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1518 transitions. [2023-12-22 03:33:47,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-12-22 03:33:47,513 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:47,514 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 03:33:47,526 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 (14)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:47,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /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 03:33:47,716 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:47,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:47,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1648994867, now seen corresponding path program 1 times [2023-12-22 03:33:47,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:47,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300708686] [2023-12-22 03:33:47,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:47,717 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 03:33:47,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:47,719 INFO L229 MonitoredProcess]: Starting monitored process 15 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 03:33:47,722 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 (15)] Waiting until timeout for monitored process [2023-12-22 03:33:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:47,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 03:33:47,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-22 03:33:47,934 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:47,934 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:47,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300708686] [2023-12-22 03:33:47,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [300708686] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:47,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:47,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:47,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753430543] [2023-12-22 03:33:47,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:47,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-22 03:33:47,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:47,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-22 03:33:47,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-22 03:33:47,936 INFO L87 Difference]: Start difference. First operand 1461 states and 1518 transitions. Second operand has 4 states, 4 states have (on average 48.5) internal successors, (194), 3 states have internal predecessors, (194), 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 03:33:48,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:48,396 INFO L93 Difference]: Finished difference Result 3203 states and 3331 transitions. [2023-12-22 03:33:48,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-22 03:33:48,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 3 states have internal predecessors, (194), 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 239 [2023-12-22 03:33:48,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:48,400 INFO L225 Difference]: With dead ends: 3203 [2023-12-22 03:33:48,400 INFO L226 Difference]: Without dead ends: 1743 [2023-12-22 03:33:48,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-22 03:33:48,401 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 201 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:48,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 57 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:33:48,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2023-12-22 03:33:48,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1602. [2023-12-22 03:33:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1602 states, 1601 states have (on average 1.0343535290443473) internal successors, (1656), 1601 states have internal predecessors, (1656), 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 03:33:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1602 states and 1656 transitions. [2023-12-22 03:33:48,433 INFO L78 Accepts]: Start accepts. Automaton has 1602 states and 1656 transitions. Word has length 239 [2023-12-22 03:33:48,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:48,434 INFO L495 AbstractCegarLoop]: Abstraction has 1602 states and 1656 transitions. [2023-12-22 03:33:48,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 3 states have internal predecessors, (194), 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 03:33:48,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 1656 transitions. [2023-12-22 03:33:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-12-22 03:33:48,435 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:48,435 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 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 03:33:48,460 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 (15)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:48,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /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 03:33:48,662 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:48,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:48,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1720564602, now seen corresponding path program 1 times [2023-12-22 03:33:48,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:48,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55645381] [2023-12-22 03:33:48,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:48,663 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 03:33:48,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:48,665 INFO L229 MonitoredProcess]: Starting monitored process 16 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 03:33:48,668 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 (16)] Waiting until timeout for monitored process [2023-12-22 03:33:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:48,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-22 03:33:48,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-22 03:33:49,688 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:49,688 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:49,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55645381] [2023-12-22 03:33:49,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [55645381] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:49,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:49,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-22 03:33:49,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294034476] [2023-12-22 03:33:49,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:49,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-22 03:33:49,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:49,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-22 03:33:49,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-22 03:33:49,689 INFO L87 Difference]: Start difference. First operand 1602 states and 1656 transitions. Second operand has 5 states, 5 states have (on average 35.0) internal successors, (175), 4 states have internal predecessors, (175), 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 03:33:50,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:50,326 INFO L93 Difference]: Finished difference Result 2741 states and 2835 transitions. [2023-12-22 03:33:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-22 03:33:50,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 4 states have internal predecessors, (175), 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 246 [2023-12-22 03:33:50,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:50,328 INFO L225 Difference]: With dead ends: 2741 [2023-12-22 03:33:50,328 INFO L226 Difference]: Without dead ends: 897 [2023-12-22 03:33:50,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-22 03:33:50,329 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 246 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:50,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 38 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-22 03:33:50,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2023-12-22 03:33:50,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 897. [2023-12-22 03:33:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 896 states have (on average 1.0212053571428572) internal successors, (915), 896 states have internal predecessors, (915), 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 03:33:50,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 915 transitions. [2023-12-22 03:33:50,340 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 915 transitions. Word has length 246 [2023-12-22 03:33:50,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:50,340 INFO L495 AbstractCegarLoop]: Abstraction has 897 states and 915 transitions. [2023-12-22 03:33:50,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.0) internal successors, (175), 4 states have internal predecessors, (175), 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 03:33:50,341 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 915 transitions. [2023-12-22 03:33:50,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2023-12-22 03:33:50,342 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:50,342 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:50,364 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 (16)] Ended with exit code 0 [2023-12-22 03:33:50,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /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 03:33:50,546 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:50,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:50,546 INFO L85 PathProgramCache]: Analyzing trace with hash 511108577, now seen corresponding path program 1 times [2023-12-22 03:33:50,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:50,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528896469] [2023-12-22 03:33:50,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:50,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:33:50,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:50,563 INFO L229 MonitoredProcess]: Starting monitored process 17 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 03:33:50,564 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 (17)] Waiting until timeout for monitored process [2023-12-22 03:33:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:50,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 03:33:50,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:50,849 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-12-22 03:33:50,849 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:50,849 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:50,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528896469] [2023-12-22 03:33:50,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528896469] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:50,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:50,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:50,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293513943] [2023-12-22 03:33:50,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:50,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:50,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:50,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:50,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:50,850 INFO L87 Difference]: Start difference. First operand 897 states and 915 transitions. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 03:33:51,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:51,124 INFO L93 Difference]: Finished difference Result 1319 states and 1348 transitions. [2023-12-22 03:33:51,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:51,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 336 [2023-12-22 03:33:51,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:51,125 INFO L225 Difference]: With dead ends: 1319 [2023-12-22 03:33:51,125 INFO L226 Difference]: Without dead ends: 0 [2023-12-22 03:33:51,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:51,126 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 93 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:51,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 157 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-22 03:33:51,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-22 03:33:51,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-22 03:33:51,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 03:33:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-22 03:33:51,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 336 [2023-12-22 03:33:51,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:51,127 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-22 03:33:51,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 03:33:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-22 03:33:51,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-22 03:33:51,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 03:33:51,138 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 (17)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:51,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /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 03:33:51,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,586 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-12-22 03:33:51,587 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-22 03:33:51,588 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 482) no Hoare annotation was computed. [2023-12-22 03:33:51,589 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-12-22 03:33:51,590 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 627) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,591 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-12-22 03:33:51,592 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-12-22 03:33:51,592 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-12-22 03:33:51,592 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-12-22 03:33:51,592 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-12-22 03:33:51,592 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-12-22 03:33:51,592 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-12-22 03:33:51,592 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,592 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,592 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-12-22 03:33:51,592 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-12-22 03:33:51,592 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-12-22 03:33:51,592 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-12-22 03:33:51,592 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse8 (= (_ bv8 32) ~a17~0)) (.cse7 (= (_ bv1 32) ~a21~0)) (.cse0 (= (_ bv1 32) ~a19~0))) (let ((.cse6 (= (_ bv7 32) ~a28~0)) (.cse5 (not .cse0)) (.cse1 (= (_ bv0 32) ~a25~0)) (.cse11 (= (_ bv7 32) ~a17~0)) (.cse4 (= (_ bv1 32) ~a11~0)) (.cse3 (= ~a28~0 (_ bv9 32))) (.cse9 (= (_ bv1 32) ~a25~0)) (.cse12 (or (not .cse8) (not .cse7))) (.cse10 (= (_ bv10 32) ~a28~0)) (.cse2 (= (_ bv0 32) ~a11~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse1 .cse7 .cse8) (and .cse4 .cse9 .cse0 .cse10 .cse7 .cse8) (and .cse6 .cse1 .cse2 .cse7 .cse8) (and .cse11 .cse2) (and .cse9 .cse10 .cse2 .cse7 .cse8) (and .cse4 .cse0 .cse1 .cse3 .cse7 .cse8) (and .cse5 (= (_ bv8 32) ~a28~0) .cse1 .cse2 .cse7 .cse8) (and .cse11 .cse4) (and .cse4 .cse9 .cse0 .cse3 .cse7 .cse8) (and .cse9 .cse0 .cse2) (and .cse0 .cse12 .cse2) (and .cse0 (= (_ bv11 32) ~a28~0) .cse12) (and .cse0 .cse10 .cse2)))) [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-12-22 03:33:51,593 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-12-22 03:33:51,594 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-12-22 03:33:51,596 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:33:51,598 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 03:33:51,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 03:33:51 BoogieIcfgContainer [2023-12-22 03:33:51,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 03:33:51,607 INFO L158 Benchmark]: Toolchain (without parser) took 25086.42ms. Allocated memory was 195.0MB in the beginning and 425.7MB in the end (delta: 230.7MB). Free memory was 161.3MB in the beginning and 238.2MB in the end (delta: -77.0MB). Peak memory consumption was 155.3MB. Max. memory is 8.0GB. [2023-12-22 03:33:51,607 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 162.5MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 03:33:51,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.38ms. Allocated memory is still 195.0MB. Free memory was 160.7MB in the beginning and 132.3MB in the end (delta: 28.4MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-22 03:33:51,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.05ms. Allocated memory is still 195.0MB. Free memory was 132.3MB in the beginning and 126.7MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-22 03:33:51,607 INFO L158 Benchmark]: Boogie Preprocessor took 79.12ms. Allocated memory is still 195.0MB. Free memory was 126.7MB in the beginning and 121.4MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-22 03:33:51,607 INFO L158 Benchmark]: RCFGBuilder took 1055.46ms. Allocated memory is still 195.0MB. Free memory was 121.4MB in the beginning and 144.0MB in the end (delta: -22.6MB). Peak memory consumption was 50.8MB. Max. memory is 8.0GB. [2023-12-22 03:33:51,608 INFO L158 Benchmark]: TraceAbstraction took 23446.11ms. Allocated memory was 195.0MB in the beginning and 425.7MB in the end (delta: 230.7MB). Free memory was 143.0MB in the beginning and 238.2MB in the end (delta: -95.2MB). Peak memory consumption was 136.0MB. Max. memory is 8.0GB. [2023-12-22 03:33:51,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 162.5MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 430.38ms. Allocated memory is still 195.0MB. Free memory was 160.7MB in the beginning and 132.3MB in the end (delta: 28.4MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.05ms. Allocated memory is still 195.0MB. Free memory was 132.3MB in the beginning and 126.7MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 79.12ms. Allocated memory is still 195.0MB. Free memory was 126.7MB in the beginning and 121.4MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1055.46ms. Allocated memory is still 195.0MB. Free memory was 121.4MB in the beginning and 144.0MB in the end (delta: -22.6MB). Peak memory consumption was 50.8MB. Max. memory is 8.0GB. * TraceAbstraction took 23446.11ms. Allocated memory was 195.0MB in the beginning and 425.7MB in the end (delta: 230.7MB). Free memory was 143.0MB in the beginning and 238.2MB in the end (delta: -95.2MB). Peak memory consumption was 136.0MB. 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 - PositiveResult [Line: 482]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 165 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.4s, OverallIterations: 16, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4229 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4229 mSDsluCounter, 2134 SdHoareTripleChecker+Invalid, 7.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 460 mSDsCounter, 889 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11205 IncrementalHoareTripleChecker+Invalid, 12094 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 889 mSolverCounterUnsat, 1674 mSDtfsCounter, 11205 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3064 GetRequests, 3007 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1615occurred in iteration=11, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 875 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 22 NumberOfFragments, 209 HoareAnnotationTreeSize, 1 FormulaSimplifications, 421 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FormulaSimplificationsInter, 168 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 2706 NumberOfCodeBlocks, 2706 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3049 ConstructedInterpolants, 0 QuantifiedInterpolants, 17996 SizeOfPredicates, 34 NumberOfNonLiveVariables, 3692 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 2125/2201 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((((((((((((1 == a19) && (0 == a25)) && (0 == a11)) && (a28 == 9)) || ((((((1 == a11) && !((1 == a19))) && (7 == a28)) && (0 == a25)) && (1 == a21)) && (8 == a17))) || ((((((1 == a11) && (1 == a25)) && (1 == a19)) && (10 == a28)) && (1 == a21)) && (8 == a17))) || (((((7 == a28) && (0 == a25)) && (0 == a11)) && (1 == a21)) && (8 == a17))) || ((7 == a17) && (0 == a11))) || (((((1 == a25) && (10 == a28)) && (0 == a11)) && (1 == a21)) && (8 == a17))) || ((((((1 == a11) && (1 == a19)) && (0 == a25)) && (a28 == 9)) && (1 == a21)) && (8 == a17))) || (((((!((1 == a19)) && (8 == a28)) && (0 == a25)) && (0 == a11)) && (1 == a21)) && (8 == a17))) || ((7 == a17) && (1 == a11))) || ((((((1 == a11) && (1 == a25)) && (1 == a19)) && (a28 == 9)) && (1 == a21)) && (8 == a17))) || (((1 == a25) && (1 == a19)) && (0 == a11))) || (((1 == a19) && (!((8 == a17)) || !((1 == a21)))) && (0 == a11))) || (((1 == a19) && (11 == a28)) && (!((8 == a17)) || !((1 == a21))))) || (((1 == a19) && (10 == a28)) && (0 == a11))) RESULT: Ultimate proved your program to be correct! [2023-12-22 03:33:51,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...