/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_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 03:33:22,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 03:33:22,609 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 03:33:22,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 03:33:22,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 03:33:22,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 03:33:22,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 03:33:22,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 03:33:22,644 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 03:33:22,648 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 03:33:22,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 03:33:22,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 03:33:22,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 03:33:22,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 03:33:22,651 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 03:33:22,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 03:33:22,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 03:33:22,652 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 03:33:22,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 03:33:22,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 03:33:22,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 03:33:22,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 03:33:22,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 03:33:22,653 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 03:33:22,653 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 03:33:22,653 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 03:33:22,654 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 03:33:22,654 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 03:33:22,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 03:33:22,654 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 03:33:22,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 03:33:22,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 03:33:22,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 03:33:22,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 03:33:22,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 03:33:22,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 03:33:22,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 03:33:22,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 03:33:22,656 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 03:33:22,656 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 03:33:22,656 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 03:33:22,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 03:33:22,657 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 03:33:22,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 03:33:22,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 03:33:22,657 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 03:33:22,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 03:33:22,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 03:33:22,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 03:33:22,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 03:33:22,889 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 03:33:22,889 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 03:33:22,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2023-12-22 03:33:24,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 03:33:24,278 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 03:33:24,279 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2023-12-22 03:33:24,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b52cd92/bb1bb3174417424f9d9baeb886041e92/FLAG7c2f9da84 [2023-12-22 03:33:24,310 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b52cd92/bb1bb3174417424f9d9baeb886041e92 [2023-12-22 03:33:24,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 03:33:24,313 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 03:33:24,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 03:33:24,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 03:33:24,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 03:33:24,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5124795b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24, skipping insertion in model container [2023-12-22 03:33:24,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 03:33:24,629 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_label41.c[15650,15663] [2023-12-22 03:33:24,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 03:33:24,670 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 03:33:24,724 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_label41.c[15650,15663] [2023-12-22 03:33:24,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 03:33:24,754 INFO L206 MainTranslator]: Completed translation [2023-12-22 03:33:24,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24 WrapperNode [2023-12-22 03:33:24,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 03:33:24,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 03:33:24,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 03:33:24,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 03:33:24,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,813 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 667 [2023-12-22 03:33:24,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 03:33:24,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 03:33:24,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 03:33:24,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 03:33:24,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,827 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,845 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 03:33:24,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 03:33:24,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 03:33:24,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 03:33:24,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 03:33:24,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24" (1/1) ... [2023-12-22 03:33:24,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 03:33:24,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 03:33:24,925 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 03:33:24,949 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 03:33:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 03:33:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 03:33:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 03:33:24,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 03:33:25,026 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 03:33:25,028 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 03:33:25,871 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 03:33:25,907 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 03:33:25,907 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 03:33:25,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:33:25 BoogieIcfgContainer [2023-12-22 03:33:25,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 03:33:25,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 03:33:25,910 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 03:33:25,912 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 03:33:25,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:33:24" (1/3) ... [2023-12-22 03:33:25,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31508ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:33:25, skipping insertion in model container [2023-12-22 03:33:25,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:24" (2/3) ... [2023-12-22 03:33:25,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31508ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:33:25, skipping insertion in model container [2023-12-22 03:33:25,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:33:25" (3/3) ... [2023-12-22 03:33:25,915 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2023-12-22 03:33:25,929 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 03:33:25,930 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 03:33:25,964 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 03:33:25,968 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;@73365420, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 03:33:25,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 03:33:25,972 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 03:33:25,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-22 03:33:25,981 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:25,982 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] [2023-12-22 03:33:25,982 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:25,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:25,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1377106940, now seen corresponding path program 1 times [2023-12-22 03:33:25,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:25,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892399932] [2023-12-22 03:33:25,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:25,997 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 03:33:25,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:26,000 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 03:33:26,013 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 03:33:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:26,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 03:33:26,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:26,141 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 03:33:26,141 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:26,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:26,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892399932] [2023-12-22 03:33:26,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892399932] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:26,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:26,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 03:33:26,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652322576] [2023-12-22 03:33:26,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:26,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 03:33:26,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:26,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 03:33:26,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 03:33:26,181 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 44.5) internal successors, (89), 2 states have internal predecessors, (89), 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 03:33:26,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:26,227 INFO L93 Difference]: Finished difference Result 329 states and 625 transitions. [2023-12-22 03:33:26,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 03:33:26,229 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 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 89 [2023-12-22 03:33:26,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:26,239 INFO L225 Difference]: With dead ends: 329 [2023-12-22 03:33:26,239 INFO L226 Difference]: Without dead ends: 163 [2023-12-22 03:33:26,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 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 03:33:26,245 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 03:33:26,246 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 03:33:26,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-22 03:33:26,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2023-12-22 03:33:26,285 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 03:33:26,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 248 transitions. [2023-12-22 03:33:26,287 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 248 transitions. Word has length 89 [2023-12-22 03:33:26,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:26,288 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 248 transitions. [2023-12-22 03:33:26,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 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 03:33:26,288 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 248 transitions. [2023-12-22 03:33:26,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-22 03:33:26,291 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:26,291 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] [2023-12-22 03:33:26,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:26,494 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 03:33:26,495 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:26,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:26,495 INFO L85 PathProgramCache]: Analyzing trace with hash 266918181, now seen corresponding path program 1 times [2023-12-22 03:33:26,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:26,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74157606] [2023-12-22 03:33:26,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:26,497 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 03:33:26,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:26,500 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 03:33:26,501 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 03:33:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:26,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-22 03:33:26,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:29,495 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 03:33:29,496 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:29,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:29,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74157606] [2023-12-22 03:33:29,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74157606] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:29,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:29,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-22 03:33:29,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047271940] [2023-12-22 03:33:29,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:29,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-22 03:33:29,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:29,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-22 03:33:29,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-22 03:33:29,504 INFO L87 Difference]: Start difference. First operand 163 states and 248 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 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 03:33:30,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:30,582 INFO L93 Difference]: Finished difference Result 667 states and 1040 transitions. [2023-12-22 03:33:30,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-22 03:33:30,583 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 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 89 [2023-12-22 03:33:30,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:30,585 INFO L225 Difference]: With dead ends: 667 [2023-12-22 03:33:30,585 INFO L226 Difference]: Without dead ends: 505 [2023-12-22 03:33:30,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 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 03:33:30,587 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 581 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:30,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 146 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-22 03:33:30,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2023-12-22 03:33:30,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 504. [2023-12-22 03:33:30,601 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 03:33:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 644 transitions. [2023-12-22 03:33:30,602 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 644 transitions. Word has length 89 [2023-12-22 03:33:30,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:30,602 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 644 transitions. [2023-12-22 03:33:30,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 states have internal predecessors, (89), 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 03:33:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 644 transitions. [2023-12-22 03:33:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-22 03:33:30,604 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:30,605 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] [2023-12-22 03:33:30,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-22 03:33:30,806 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 03:33:30,807 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:30,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:30,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1053637376, now seen corresponding path program 1 times [2023-12-22 03:33:30,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:30,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1497292969] [2023-12-22 03:33:30,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:30,810 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 03:33:30,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:30,826 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 03:33:30,827 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 03:33:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:30,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-22 03:33:30,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:32,181 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 03:33:32,181 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:32,181 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:32,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1497292969] [2023-12-22 03:33:32,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1497292969] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:32,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:32,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-22 03:33:32,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838076779] [2023-12-22 03:33:32,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:32,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-22 03:33:32,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:32,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-22 03:33:32,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2023-12-22 03:33:32,183 INFO L87 Difference]: Start difference. First operand 504 states and 644 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 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 03:33:33,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:33,039 INFO L93 Difference]: Finished difference Result 1366 states and 1827 transitions. [2023-12-22 03:33:33,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-22 03:33:33,040 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 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 94 [2023-12-22 03:33:33,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:33,042 INFO L225 Difference]: With dead ends: 1366 [2023-12-22 03:33:33,043 INFO L226 Difference]: Without dead ends: 797 [2023-12-22 03:33:33,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 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 03:33:33,045 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 195 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:33,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 108 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-22 03:33:33,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2023-12-22 03:33:33,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2023-12-22 03:33:33,057 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 03:33:33,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1008 transitions. [2023-12-22 03:33:33,059 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1008 transitions. Word has length 94 [2023-12-22 03:33:33,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:33,059 INFO L495 AbstractCegarLoop]: Abstraction has 797 states and 1008 transitions. [2023-12-22 03:33:33,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 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 03:33:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1008 transitions. [2023-12-22 03:33:33,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-22 03:33:33,061 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:33,061 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] [2023-12-22 03:33:33,068 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 (4)] Ended with exit code 0 [2023-12-22 03:33:33,263 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 03:33:33,263 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:33,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:33,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1546302431, now seen corresponding path program 1 times [2023-12-22 03:33:33,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:33,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880992720] [2023-12-22 03:33:33,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:33,265 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 03:33:33,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:33,266 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 03:33:33,267 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 03:33:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:33,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:33:33,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:33,333 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 03:33:33,333 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:33,334 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:33,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880992720] [2023-12-22 03:33:33,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880992720] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:33,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:33,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:33,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457288545] [2023-12-22 03:33:33,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:33,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:33,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:33,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:33,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:33,335 INFO L87 Difference]: Start difference. First operand 797 states and 1008 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 03:33:33,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:33,756 INFO L93 Difference]: Finished difference Result 2157 states and 2767 transitions. [2023-12-22 03:33:33,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:33,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 102 [2023-12-22 03:33:33,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:33,760 INFO L225 Difference]: With dead ends: 2157 [2023-12-22 03:33:33,760 INFO L226 Difference]: Without dead ends: 1361 [2023-12-22 03:33:33,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 03:33:33,762 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:33,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 256 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:33:33,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2023-12-22 03:33:33,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1357. [2023-12-22 03:33:33,778 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 03:33:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1606 transitions. [2023-12-22 03:33:33,780 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1606 transitions. Word has length 102 [2023-12-22 03:33:33,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:33,780 INFO L495 AbstractCegarLoop]: Abstraction has 1357 states and 1606 transitions. [2023-12-22 03:33:33,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 03:33:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1606 transitions. [2023-12-22 03:33:33,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-22 03:33:33,782 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:33,782 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] [2023-12-22 03:33:33,787 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 (5)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:33,985 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 03:33:33,985 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:33,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:33,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1725029375, now seen corresponding path program 1 times [2023-12-22 03:33:33,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:33,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399534095] [2023-12-22 03:33:33,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:33,987 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 03:33:33,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:33,990 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 03:33:33,991 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 03:33:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:34,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:33:34,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:34,060 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 03:33:34,060 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:34,060 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:34,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399534095] [2023-12-22 03:33:34,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399534095] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:34,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:34,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 03:33:34,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439688331] [2023-12-22 03:33:34,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:34,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:34,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:34,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:34,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:34,063 INFO L87 Difference]: Start difference. First operand 1357 states and 1606 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 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 03:33:34,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:34,464 INFO L93 Difference]: Finished difference Result 3274 states and 3844 transitions. [2023-12-22 03:33:34,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:34,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 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 106 [2023-12-22 03:33:34,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:34,468 INFO L225 Difference]: With dead ends: 3274 [2023-12-22 03:33:34,468 INFO L226 Difference]: Without dead ends: 1356 [2023-12-22 03:33:34,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 03:33:34,470 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 177 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:34,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 91 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:33:34,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2023-12-22 03:33:34,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1356. [2023-12-22 03:33:34,485 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 03:33:34,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1543 transitions. [2023-12-22 03:33:34,487 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1543 transitions. Word has length 106 [2023-12-22 03:33:34,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:34,487 INFO L495 AbstractCegarLoop]: Abstraction has 1356 states and 1543 transitions. [2023-12-22 03:33:34,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 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 03:33:34,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1543 transitions. [2023-12-22 03:33:34,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-22 03:33:34,489 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:34,489 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] [2023-12-22 03:33:34,495 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 03:33:34,696 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 03:33:34,697 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:34,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:34,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1878901399, now seen corresponding path program 1 times [2023-12-22 03:33:34,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:34,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863685671] [2023-12-22 03:33:34,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:34,698 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 03:33:34,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:34,700 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 03:33:34,706 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 03:33:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:34,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:33:34,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:34,812 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 03:33:34,813 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:34,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:34,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863685671] [2023-12-22 03:33:34,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1863685671] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:34,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:34,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:34,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940773343] [2023-12-22 03:33:34,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:34,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:34,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:34,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:34,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:34,829 INFO L87 Difference]: Start difference. First operand 1356 states and 1543 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 03:33:35,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:35,313 INFO L93 Difference]: Finished difference Result 2414 states and 2767 transitions. [2023-12-22 03:33:35,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:35,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 123 [2023-12-22 03:33:35,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:35,316 INFO L225 Difference]: With dead ends: 2414 [2023-12-22 03:33:35,316 INFO L226 Difference]: Without dead ends: 1059 [2023-12-22 03:33:35,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 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 03:33:35,318 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 149 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:35,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 233 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-22 03:33:35,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2023-12-22 03:33:35,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 919. [2023-12-22 03:33:35,327 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 03:33:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1011 transitions. [2023-12-22 03:33:35,329 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1011 transitions. Word has length 123 [2023-12-22 03:33:35,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:35,329 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1011 transitions. [2023-12-22 03:33:35,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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 03:33:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1011 transitions. [2023-12-22 03:33:35,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-22 03:33:35,330 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:35,330 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] [2023-12-22 03:33:35,336 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 03:33:35,532 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 03:33:35,533 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:35,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:35,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1792971341, now seen corresponding path program 1 times [2023-12-22 03:33:35,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:35,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350480674] [2023-12-22 03:33:35,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:35,535 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 03:33:35,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:35,537 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 03:33:35,571 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 03:33:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:35,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-22 03:33:35,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:36,392 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 03:33:36,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:36,392 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:36,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350480674] [2023-12-22 03:33:36,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [350480674] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:36,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:36,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-22 03:33:36,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761742675] [2023-12-22 03:33:36,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:36,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-22 03:33:36,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:36,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-22 03:33:36,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-22 03:33:36,394 INFO L87 Difference]: Start difference. First operand 919 states and 1011 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 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 03:33:37,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:37,352 INFO L93 Difference]: Finished difference Result 2481 states and 2754 transitions. [2023-12-22 03:33:37,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-22 03:33:37,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 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 123 [2023-12-22 03:33:37,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:37,356 INFO L225 Difference]: With dead ends: 2481 [2023-12-22 03:33:37,356 INFO L226 Difference]: Without dead ends: 1340 [2023-12-22 03:33:37,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 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 03:33:37,358 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 692 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 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 03:33:37,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [692 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 03:33:37,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2023-12-22 03:33:37,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1199. [2023-12-22 03:33:37,376 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 03:33:37,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1292 transitions. [2023-12-22 03:33:37,380 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1292 transitions. Word has length 123 [2023-12-22 03:33:37,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:37,381 INFO L495 AbstractCegarLoop]: Abstraction has 1199 states and 1292 transitions. [2023-12-22 03:33:37,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 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 03:33:37,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1292 transitions. [2023-12-22 03:33:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-22 03:33:37,383 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:37,383 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] [2023-12-22 03:33:37,400 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 03:33:37,586 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 03:33:37,586 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:37,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:37,587 INFO L85 PathProgramCache]: Analyzing trace with hash -772136011, now seen corresponding path program 1 times [2023-12-22 03:33:37,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:37,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440896043] [2023-12-22 03:33:37,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:37,587 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 03:33:37,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:37,588 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 03:33:37,604 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 03:33:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:37,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:33:37,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:37,673 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 03:33:37,674 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:37,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:37,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [440896043] [2023-12-22 03:33:37,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [440896043] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:37,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:37,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:37,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003891489] [2023-12-22 03:33:37,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:37,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:37,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:37,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:37,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:37,676 INFO L87 Difference]: Start difference. First operand 1199 states and 1292 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 03:33:38,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:38,078 INFO L93 Difference]: Finished difference Result 2677 states and 2897 transitions. [2023-12-22 03:33:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:38,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 141 [2023-12-22 03:33:38,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:38,081 INFO L225 Difference]: With dead ends: 2677 [2023-12-22 03:33:38,081 INFO L226 Difference]: Without dead ends: 1052 [2023-12-22 03:33:38,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 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 03:33:38,083 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 03:33:38,084 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 03:33:38,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2023-12-22 03:33:38,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2023-12-22 03:33:38,113 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 03:33:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1123 transitions. [2023-12-22 03:33:38,115 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1123 transitions. Word has length 141 [2023-12-22 03:33:38,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:38,115 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1123 transitions. [2023-12-22 03:33:38,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 03:33:38,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1123 transitions. [2023-12-22 03:33:38,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-22 03:33:38,117 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:38,117 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] [2023-12-22 03:33:38,122 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 03:33:38,317 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 03:33:38,318 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:38,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:38,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1791302460, now seen corresponding path program 1 times [2023-12-22 03:33:38,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:38,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [799254621] [2023-12-22 03:33:38,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:38,319 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 03:33:38,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:38,320 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 03:33:38,322 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 03:33:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:38,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-22 03:33:38,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:38,715 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 03:33:38,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 03:33:38,971 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 03:33:38,971 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:38,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [799254621] [2023-12-22 03:33:38,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [799254621] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 03:33:38,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 03:33:38,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-22 03:33:38,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006672740] [2023-12-22 03:33:38,971 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 03:33:38,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-22 03:33:38,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:38,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-22 03:33:38,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-22 03:33:38,972 INFO L87 Difference]: Start difference. First operand 1052 states and 1123 transitions. Second operand has 8 states, 8 states have (on average 21.75) internal successors, (174), 7 states have internal predecessors, (174), 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 03:33:39,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:39,832 INFO L93 Difference]: Finished difference Result 2251 states and 2399 transitions. [2023-12-22 03:33:39,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-22 03:33:39,832 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 7 states have internal predecessors, (174), 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 147 [2023-12-22 03:33:39,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:39,835 INFO L225 Difference]: With dead ends: 2251 [2023-12-22 03:33:39,835 INFO L226 Difference]: Without dead ends: 1200 [2023-12-22 03:33:39,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-12-22 03:33:39,838 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 644 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:39,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 97 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1113 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-22 03:33:39,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2023-12-22 03:33:39,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1192. [2023-12-22 03:33:39,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1192 states, 1191 states have (on average 1.0621326616288833) internal successors, (1265), 1191 states have internal predecessors, (1265), 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 03:33:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1265 transitions. [2023-12-22 03:33:39,857 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1265 transitions. Word has length 147 [2023-12-22 03:33:39,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:39,858 INFO L495 AbstractCegarLoop]: Abstraction has 1192 states and 1265 transitions. [2023-12-22 03:33:39,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 7 states have internal predecessors, (174), 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 03:33:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1265 transitions. [2023-12-22 03:33:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-22 03:33:39,859 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:39,859 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] [2023-12-22 03:33:39,888 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 (10)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:40,068 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 03:33:40,068 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:40,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:40,069 INFO L85 PathProgramCache]: Analyzing trace with hash -908457923, now seen corresponding path program 1 times [2023-12-22 03:33:40,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:40,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076143819] [2023-12-22 03:33:40,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:40,069 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 03:33:40,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:40,070 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 03:33:40,072 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 03:33:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:40,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-22 03:33:40,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:41,264 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 03:33:41,265 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:41,265 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:41,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076143819] [2023-12-22 03:33:41,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076143819] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:41,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:41,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:41,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681948985] [2023-12-22 03:33:41,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:41,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-22 03:33:41,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:41,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-22 03:33:41,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-22 03:33:41,267 INFO L87 Difference]: Start difference. First operand 1192 states and 1265 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 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 03:33:41,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:41,644 INFO L93 Difference]: Finished difference Result 1560 states and 1651 transitions. [2023-12-22 03:33:41,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-22 03:33:41,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 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 163 [2023-12-22 03:33:41,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:41,647 INFO L225 Difference]: With dead ends: 1560 [2023-12-22 03:33:41,647 INFO L226 Difference]: Without dead ends: 1192 [2023-12-22 03:33:41,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 160 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 03:33:41,648 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 93 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:41,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 77 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:33:41,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2023-12-22 03:33:41,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1052. [2023-12-22 03:33:41,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.0570884871550903) internal successors, (1111), 1051 states have internal predecessors, (1111), 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 03:33:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1111 transitions. [2023-12-22 03:33:41,660 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1111 transitions. Word has length 163 [2023-12-22 03:33:41,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:41,660 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1111 transitions. [2023-12-22 03:33:41,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 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 03:33:41,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1111 transitions. [2023-12-22 03:33:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-12-22 03:33:41,662 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:41,663 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] [2023-12-22 03:33:41,666 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 (11)] Ended with exit code 0 [2023-12-22 03:33:41,867 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 03:33:41,867 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:41,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:41,868 INFO L85 PathProgramCache]: Analyzing trace with hash 2053409002, now seen corresponding path program 1 times [2023-12-22 03:33:41,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:41,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723996279] [2023-12-22 03:33:41,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:41,869 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 03:33:41,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:41,876 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 03:33:41,877 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 03:33:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:41,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:33:41,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:42,009 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 03:33:42,010 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:42,010 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:42,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723996279] [2023-12-22 03:33:42,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [723996279] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:42,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:42,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 03:33:42,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801750810] [2023-12-22 03:33:42,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:42,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:42,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:42,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:42,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:42,013 INFO L87 Difference]: Start difference. First operand 1052 states and 1111 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 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 03:33:42,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:42,318 INFO L93 Difference]: Finished difference Result 2811 states and 2985 transitions. [2023-12-22 03:33:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:42,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 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 188 [2023-12-22 03:33:42,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:42,322 INFO L225 Difference]: With dead ends: 2811 [2023-12-22 03:33:42,322 INFO L226 Difference]: Without dead ends: 1759 [2023-12-22 03:33:42,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 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 03:33:42,323 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 111 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:42,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 80 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-22 03:33:42,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2023-12-22 03:33:42,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1617. [2023-12-22 03:33:42,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1616 states have (on average 1.0587871287128714) internal successors, (1711), 1616 states have internal predecessors, (1711), 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 03:33:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 1711 transitions. [2023-12-22 03:33:42,341 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 1711 transitions. Word has length 188 [2023-12-22 03:33:42,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:42,341 INFO L495 AbstractCegarLoop]: Abstraction has 1617 states and 1711 transitions. [2023-12-22 03:33:42,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 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 03:33:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 1711 transitions. [2023-12-22 03:33:42,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-12-22 03:33:42,343 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:42,344 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] [2023-12-22 03:33:42,360 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 (12)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:42,546 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 03:33:42,546 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:42,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:42,547 INFO L85 PathProgramCache]: Analyzing trace with hash 525703995, now seen corresponding path program 1 times [2023-12-22 03:33:42,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:42,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303648640] [2023-12-22 03:33:42,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:42,548 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 03:33:42,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:42,549 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 03:33:42,550 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 03:33:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:42,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-22 03:33:42,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:43,027 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 03:33:43,027 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 03:33:43,482 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 03:33:43,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:43,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303648640] [2023-12-22 03:33:43,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [303648640] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 03:33:43,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 03:33:43,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-12-22 03:33:43,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730736238] [2023-12-22 03:33:43,487 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 03:33:43,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-22 03:33:43,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:43,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-22 03:33:43,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-12-22 03:33:43,503 INFO L87 Difference]: Start difference. First operand 1617 states and 1711 transitions. Second operand has 9 states, 9 states have (on average 32.55555555555556) internal successors, (293), 8 states have internal predecessors, (293), 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 03:33:45,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:45,376 INFO L93 Difference]: Finished difference Result 4948 states and 5292 transitions. [2023-12-22 03:33:45,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-22 03:33:45,376 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 32.55555555555556) internal successors, (293), 8 states have internal predecessors, (293), 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 194 [2023-12-22 03:33:45,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:45,382 INFO L225 Difference]: With dead ends: 4948 [2023-12-22 03:33:45,382 INFO L226 Difference]: Without dead ends: 2617 [2023-12-22 03:33:45,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2023-12-22 03:33:45,384 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 1300 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 2167 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 2309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 2167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:45,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1300 Valid, 120 Invalid, 2309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 2167 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-22 03:33:45,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2023-12-22 03:33:45,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 1752. [2023-12-22 03:33:45,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1752 states, 1751 states have (on average 1.0479725870930896) internal successors, (1835), 1751 states have internal predecessors, (1835), 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 03:33:45,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 1835 transitions. [2023-12-22 03:33:45,405 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 1835 transitions. Word has length 194 [2023-12-22 03:33:45,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:45,405 INFO L495 AbstractCegarLoop]: Abstraction has 1752 states and 1835 transitions. [2023-12-22 03:33:45,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 32.55555555555556) internal successors, (293), 8 states have internal predecessors, (293), 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 03:33:45,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 1835 transitions. [2023-12-22 03:33:45,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-22 03:33:45,407 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:45,407 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] [2023-12-22 03:33:45,410 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 03:33:45,609 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 03:33:45,609 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:45,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:45,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1003270349, now seen corresponding path program 1 times [2023-12-22 03:33:45,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:45,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180730115] [2023-12-22 03:33:45,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:45,610 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 03:33:45,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:45,625 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 03:33:45,666 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 03:33:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:45,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:33:45,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:45,781 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 03:33:45,781 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:45,781 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:45,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180730115] [2023-12-22 03:33:45,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180730115] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:45,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:45,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:45,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708589374] [2023-12-22 03:33:45,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:45,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:45,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:45,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:45,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:45,783 INFO L87 Difference]: Start difference. First operand 1752 states and 1835 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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 03:33:46,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:46,102 INFO L93 Difference]: Finished difference Result 4061 states and 4268 transitions. [2023-12-22 03:33:46,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:46,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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 196 [2023-12-22 03:33:46,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:46,107 INFO L225 Difference]: With dead ends: 4061 [2023-12-22 03:33:46,107 INFO L226 Difference]: Without dead ends: 2310 [2023-12-22 03:33:46,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 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 03:33:46,109 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 87 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:46,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 100 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-22 03:33:46,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2310 states. [2023-12-22 03:33:46,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2310 to 2030. [2023-12-22 03:33:46,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2030 states, 2029 states have (on average 1.0443568260226712) internal successors, (2119), 2029 states have internal predecessors, (2119), 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 03:33:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 2030 states and 2119 transitions. [2023-12-22 03:33:46,128 INFO L78 Accepts]: Start accepts. Automaton has 2030 states and 2119 transitions. Word has length 196 [2023-12-22 03:33:46,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:46,129 INFO L495 AbstractCegarLoop]: Abstraction has 2030 states and 2119 transitions. [2023-12-22 03:33:46,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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 03:33:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2119 transitions. [2023-12-22 03:33:46,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-12-22 03:33:46,131 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:46,131 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] [2023-12-22 03:33:46,133 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 03:33:46,332 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 03:33:46,333 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:46,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:46,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1205761948, now seen corresponding path program 1 times [2023-12-22 03:33:46,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:46,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719707415] [2023-12-22 03:33:46,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:46,334 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 03:33:46,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:46,335 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 03:33:46,338 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 03:33:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:46,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 03:33:46,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:46,586 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 03:33:46,587 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:46,587 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:46,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719707415] [2023-12-22 03:33:46,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1719707415] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:46,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:46,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:46,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778261853] [2023-12-22 03:33:46,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:46,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-22 03:33:46,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:46,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-22 03:33:46,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-22 03:33:46,589 INFO L87 Difference]: Start difference. First operand 2030 states and 2119 transitions. Second operand has 4 states, 4 states have (on average 46.0) internal successors, (184), 3 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 03:33:47,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:47,035 INFO L93 Difference]: Finished difference Result 4481 states and 4677 transitions. [2023-12-22 03:33:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-22 03:33:47,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 3 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 229 [2023-12-22 03:33:47,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:47,040 INFO L225 Difference]: With dead ends: 4481 [2023-12-22 03:33:47,040 INFO L226 Difference]: Without dead ends: 2452 [2023-12-22 03:33:47,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 226 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 03:33:47,042 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 203 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:47,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 67 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:33:47,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2023-12-22 03:33:47,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 2171. [2023-12-22 03:33:47,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2171 states, 2170 states have (on average 1.0400921658986175) internal successors, (2257), 2170 states have internal predecessors, (2257), 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 03:33:47,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 2257 transitions. [2023-12-22 03:33:47,063 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 2257 transitions. Word has length 229 [2023-12-22 03:33:47,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:47,063 INFO L495 AbstractCegarLoop]: Abstraction has 2171 states and 2257 transitions. [2023-12-22 03:33:47,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.0) internal successors, (184), 3 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 03:33:47,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2257 transitions. [2023-12-22 03:33:47,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-12-22 03:33:47,065 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:47,065 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] [2023-12-22 03:33:47,068 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 (15)] Ended with exit code 0 [2023-12-22 03:33:47,267 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 03:33:47,268 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:47,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:47,268 INFO L85 PathProgramCache]: Analyzing trace with hash -2043538305, now seen corresponding path program 1 times [2023-12-22 03:33:47,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:47,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091674935] [2023-12-22 03:33:47,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:47,269 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 03:33:47,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:47,270 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 03:33:47,279 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 03:33:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:47,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-22 03:33:47,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:48,094 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 03:33:48,095 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:48,095 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:48,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091674935] [2023-12-22 03:33:48,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091674935] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:48,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:48,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-22 03:33:48,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025615638] [2023-12-22 03:33:48,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:48,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-22 03:33:48,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:48,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-22 03:33:48,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-22 03:33:48,096 INFO L87 Difference]: Start difference. First operand 2171 states and 2257 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 4 states have internal predecessors, (165), 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 03:33:48,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:48,592 INFO L93 Difference]: Finished difference Result 3427 states and 3557 transitions. [2023-12-22 03:33:48,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-22 03:33:48,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 4 states have internal predecessors, (165), 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 236 [2023-12-22 03:33:48,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:48,601 INFO L225 Difference]: With dead ends: 3427 [2023-12-22 03:33:48,601 INFO L226 Difference]: Without dead ends: 897 [2023-12-22 03:33:48,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 232 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 03:33:48,609 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 369 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-22 03:33:48,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 30 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-22 03:33:48,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2023-12-22 03:33:48,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 897. [2023-12-22 03:33:48,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 896 states have (on average 1.0234375) internal successors, (917), 896 states have internal predecessors, (917), 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 03:33:48,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 917 transitions. [2023-12-22 03:33:48,636 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 917 transitions. Word has length 236 [2023-12-22 03:33:48,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:48,637 INFO L495 AbstractCegarLoop]: Abstraction has 897 states and 917 transitions. [2023-12-22 03:33:48,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 4 states have internal predecessors, (165), 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 03:33:48,637 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 917 transitions. [2023-12-22 03:33:48,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2023-12-22 03:33:48,639 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:33:48,640 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] [2023-12-22 03:33:48,642 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 (16)] Forceful destruction successful, exit code 0 [2023-12-22 03:33:48,841 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 03:33:48,842 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:33:48,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:33:48,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1698896986, now seen corresponding path program 1 times [2023-12-22 03:33:48,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:33:48,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1860472284] [2023-12-22 03:33:48,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:33:48,843 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 03:33:48,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:33:48,844 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 03:33:48,863 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 03:33:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:33:48,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 03:33:48,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:33:49,053 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 03:33:49,054 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:33:49,054 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:33:49,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1860472284] [2023-12-22 03:33:49,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1860472284] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:33:49,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:33:49,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:33:49,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798804816] [2023-12-22 03:33:49,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:33:49,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:33:49,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:33:49,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:33:49,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:33:49,055 INFO L87 Difference]: Start difference. First operand 897 states and 917 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 03:33:49,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:33:49,331 INFO L93 Difference]: Finished difference Result 1319 states and 1350 transitions. [2023-12-22 03:33:49,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:33:49,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 326 [2023-12-22 03:33:49,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:33:49,331 INFO L225 Difference]: With dead ends: 1319 [2023-12-22 03:33:49,332 INFO L226 Difference]: Without dead ends: 0 [2023-12-22 03:33:49,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 324 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 03:33:49,333 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 03:33:49,333 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 03:33:49,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-22 03:33:49,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-22 03:33:49,333 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 03:33:49,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-22 03:33:49,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 326 [2023-12-22 03:33:49,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:33:49,334 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-22 03:33:49,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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 03:33:49,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-22 03:33:49,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-22 03:33:49,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 03:33:49,340 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 03:33:49,538 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 03:33:49,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-22 03:33:49,803 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-12-22 03:33:49,804 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-12-22 03:33:49,805 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-12-22 03:33:49,806 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 452) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-12-22 03:33:49,807 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 627) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-12-22 03:33:49,808 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,809 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,809 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-12-22 03:33:49,809 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-12-22 03:33:49,809 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-12-22 03:33:49,809 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-12-22 03:33:49,809 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse6 (= (_ bv8 32) ~a17~0)) (.cse5 (= (_ bv1 32) ~a21~0))) (let ((.cse7 (= (_ bv7 32) ~a17~0)) (.cse3 (= ~a28~0 (_ bv9 32))) (.cse10 (= (_ bv1 32) ~a11~0)) (.cse4 (= (_ bv7 32) ~a28~0)) (.cse1 (= (_ bv0 32) ~a25~0)) (.cse8 (= (_ bv1 32) ~a25~0)) (.cse11 (or (not .cse6) (not .cse5))) (.cse0 (= (_ bv1 32) ~a19~0)) (.cse9 (= (_ bv10 32) ~a28~0)) (.cse2 (= (_ bv0 32) ~a11~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse5 .cse6) (and .cse7 .cse2) (and .cse8 .cse9 .cse2 .cse5 .cse6) (and .cse10 .cse0 .cse1 .cse3 .cse5 .cse6) (and (not .cse0) (= (_ bv8 32) ~a28~0) .cse1 .cse2 .cse5 .cse6) (and .cse7 .cse10) (and .cse10 .cse8 .cse0 .cse3 .cse5 .cse6) (and .cse10 .cse0 .cse9 .cse5 .cse6) (and .cse10 .cse4 .cse1 .cse5 .cse6) (and .cse8 .cse0 .cse2) (and .cse0 .cse11 .cse2) (and .cse0 (= (_ bv11 32) ~a28~0) .cse11) (and .cse0 .cse9 .cse2)))) [2023-12-22 03:33:49,809 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,809 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,809 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-12-22 03:33:49,809 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-12-22 03:33:49,809 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-12-22 03:33:49,809 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,809 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-12-22 03:33:49,810 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-12-22 03:33:49,820 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 03:33:49,823 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 03:33:49,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 03:33:49 BoogieIcfgContainer [2023-12-22 03:33:49,842 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 03:33:49,843 INFO L158 Benchmark]: Toolchain (without parser) took 25529.32ms. Allocated memory was 247.5MB in the beginning and 373.3MB in the end (delta: 125.8MB). Free memory was 194.9MB in the beginning and 120.8MB in the end (delta: 74.2MB). Peak memory consumption was 201.1MB. Max. memory is 8.0GB. [2023-12-22 03:33:49,843 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 191.9MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 03:33:49,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.34ms. Allocated memory is still 247.5MB. Free memory was 194.9MB in the beginning and 166.1MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-22 03:33:49,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.46ms. Allocated memory is still 247.5MB. Free memory was 166.1MB in the beginning and 160.9MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-22 03:33:49,844 INFO L158 Benchmark]: Boogie Preprocessor took 82.84ms. Allocated memory is still 247.5MB. Free memory was 160.4MB in the beginning and 155.1MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-22 03:33:49,844 INFO L158 Benchmark]: RCFGBuilder took 1009.94ms. Allocated memory is still 247.5MB. Free memory was 155.1MB in the beginning and 153.4MB in the end (delta: 1.7MB). Peak memory consumption was 72.5MB. Max. memory is 8.0GB. [2023-12-22 03:33:49,845 INFO L158 Benchmark]: TraceAbstraction took 23932.81ms. Allocated memory was 247.5MB in the beginning and 373.3MB in the end (delta: 125.8MB). Free memory was 152.4MB in the beginning and 120.8MB in the end (delta: 31.6MB). Peak memory consumption was 157.9MB. Max. memory is 8.0GB. [2023-12-22 03:33:49,848 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 191.9MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 440.34ms. Allocated memory is still 247.5MB. Free memory was 194.9MB in the beginning and 166.1MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.46ms. Allocated memory is still 247.5MB. Free memory was 166.1MB in the beginning and 160.9MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 82.84ms. Allocated memory is still 247.5MB. Free memory was 160.4MB in the beginning and 155.1MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1009.94ms. Allocated memory is still 247.5MB. Free memory was 155.1MB in the beginning and 153.4MB in the end (delta: 1.7MB). Peak memory consumption was 72.5MB. Max. memory is 8.0GB. * TraceAbstraction took 23932.81ms. Allocated memory was 247.5MB in the beginning and 373.3MB in the end (delta: 125.8MB). Free memory was 152.4MB in the beginning and 120.8MB in the end (delta: 31.6MB). Peak memory consumption was 157.9MB. 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: 452]: 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: 23.9s, OverallIterations: 16, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4956 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4956 mSDsluCounter, 2149 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 456 mSDsCounter, 932 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10554 IncrementalHoareTripleChecker+Invalid, 11486 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 932 mSolverCounterUnsat, 1693 mSDtfsCounter, 10554 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2887 GetRequests, 2827 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2171occurred in iteration=14, InterpolantAutomatonStates: 88, 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, 2002 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 23 NumberOfFragments, 202 HoareAnnotationTreeSize, 1 FormulaSimplifications, 558 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FormulaSimplificationsInter, 176 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 2546 NumberOfCodeBlocks, 2546 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2869 ConstructedInterpolants, 0 QuantifiedInterpolants, 17492 SizeOfPredicates, 35 NumberOfNonLiveVariables, 3532 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)) || (((((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 == a11) && (1 == a19)) && (10 == a28)) && (1 == a21)) && (8 == a17))) || (((((1 == a11) && (7 == a28)) && (0 == a25)) && (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 03:33:49,868 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...