/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/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-84.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 20:37:54,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 20:37:54,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 20:37:54,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 20:37:54,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 20:37:54,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 20:37:54,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 20:37:54,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 20:37:54,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 20:37:54,914 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 20:37:54,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 20:37:54,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 20:37:54,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 20:37:54,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 20:37:54,915 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 20:37:54,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 20:37:54,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 20:37:54,916 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 20:37:54,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 20:37:54,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 20:37:54,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 20:37:54,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 20:37:54,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 20:37:54,917 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 20:37:54,918 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 20:37:54,918 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 20:37:54,918 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 20:37:54,918 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 20:37:54,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 20:37:54,918 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 20:37:54,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 20:37:54,919 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 20:37:54,919 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 20:37:54,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 20:37:54,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 20:37:54,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 20:37:54,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 20:37:54,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 20:37:54,920 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 20:37:54,920 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 20:37:54,920 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 20:37:54,921 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 20:37:54,921 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 20:37:54,921 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 20:37:54,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 20:37:54,921 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 20:37:54,921 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 20:37:55,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 20:37:55,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 20:37:55,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 20:37:55,147 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 20:37:55,147 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 20:37:55,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-84.i [2023-12-23 20:37:56,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 20:37:56,381 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 20:37:56,381 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-84.i [2023-12-23 20:37:56,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/927239d1e/d4e2bde4701a4eb18826e4703ef4440b/FLAG8e9723790 [2023-12-23 20:37:56,403 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/927239d1e/d4e2bde4701a4eb18826e4703ef4440b [2023-12-23 20:37:56,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 20:37:56,406 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 20:37:56,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 20:37:56,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 20:37:56,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 20:37:56,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@675c4a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56, skipping insertion in model container [2023-12-23 20:37:56,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,438 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 20:37:56,534 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-84.i[916,929] [2023-12-23 20:37:56,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 20:37:56,569 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 20:37:56,580 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-84.i[916,929] [2023-12-23 20:37:56,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 20:37:56,614 INFO L206 MainTranslator]: Completed translation [2023-12-23 20:37:56,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56 WrapperNode [2023-12-23 20:37:56,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 20:37:56,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 20:37:56,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 20:37:56,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 20:37:56,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,640 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-12-23 20:37:56,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 20:37:56,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 20:37:56,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 20:37:56,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 20:37:56,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,656 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]. [2023-12-23 20:37:56,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 20:37:56,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 20:37:56,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 20:37:56,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 20:37:56,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56" (1/1) ... [2023-12-23 20:37:56,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 20:37:56,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 20:37:56,695 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) [2023-12-23 20:37:56,747 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 [2023-12-23 20:37:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 20:37:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 20:37:56,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 20:37:56,754 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 20:37:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 20:37:56,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 20:37:56,831 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 20:37:56,834 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 20:37:57,089 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 20:37:57,122 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 20:37:57,122 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 20:37:57,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:37:57 BoogieIcfgContainer [2023-12-23 20:37:57,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 20:37:57,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 20:37:57,125 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 20:37:57,127 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 20:37:57,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:37:56" (1/3) ... [2023-12-23 20:37:57,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5621c1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:37:57, skipping insertion in model container [2023-12-23 20:37:57,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:37:56" (2/3) ... [2023-12-23 20:37:57,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5621c1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:37:57, skipping insertion in model container [2023-12-23 20:37:57,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:37:57" (3/3) ... [2023-12-23 20:37:57,131 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-84.i [2023-12-23 20:37:57,142 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 20:37:57,143 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 20:37:57,188 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 20:37:57,193 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;@8552316, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 20:37:57,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 20:37:57,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-23 20:37:57,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-23 20:37:57,207 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:37:57,207 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:37:57,214 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:37:57,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:37:57,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1877010668, now seen corresponding path program 1 times [2023-12-23 20:37:57,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:37:57,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735916810] [2023-12-23 20:37:57,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:37:57,230 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 [2023-12-23 20:37:57,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:37:57,232 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) [2023-12-23 20:37:57,235 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 [2023-12-23 20:37:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:37:57,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 20:37:57,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:37:57,410 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-12-23 20:37:57,410 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:37:57,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:37:57,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735916810] [2023-12-23 20:37:57,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735916810] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:37:57,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 20:37:57,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 20:37:57,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150838145] [2023-12-23 20:37:57,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:37:57,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 20:37:57,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:37:57,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 20:37:57,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 20:37:57,442 INFO L87 Difference]: Start difference. First operand has 50 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:37:57,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:37:57,498 INFO L93 Difference]: Finished difference Result 97 states and 175 transitions. [2023-12-23 20:37:57,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 20:37:57,502 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 125 [2023-12-23 20:37:57,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:37:57,507 INFO L225 Difference]: With dead ends: 97 [2023-12-23 20:37:57,507 INFO L226 Difference]: Without dead ends: 48 [2023-12-23 20:37:57,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 20:37:57,512 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-23 20:37:57,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-23 20:37:57,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-12-23 20:37:57,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-12-23 20:37:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-23 20:37:57,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 73 transitions. [2023-12-23 20:37:57,538 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 73 transitions. Word has length 125 [2023-12-23 20:37:57,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:37:57,538 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 73 transitions. [2023-12-23 20:37:57,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:37:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-12-23 20:37:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-23 20:37:57,540 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:37:57,540 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:37:57,548 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 [2023-12-23 20:37:57,748 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 [2023-12-23 20:37:57,749 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:37:57,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:37:57,749 INFO L85 PathProgramCache]: Analyzing trace with hash 807115050, now seen corresponding path program 1 times [2023-12-23 20:37:57,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:37:57,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1794481376] [2023-12-23 20:37:57,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:37:57,750 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 [2023-12-23 20:37:57,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:37:57,751 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) [2023-12-23 20:37:57,782 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 [2023-12-23 20:37:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:37:57,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-23 20:37:57,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:37:58,158 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 452 proven. 54 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-12-23 20:37:58,158 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 20:37:58,195 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:37:58,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1794481376] [2023-12-23 20:37:58,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1794481376] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 20:37:58,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [423576745] [2023-12-23 20:37:58,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:37:58,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 20:37:58,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 20:37:58,247 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 20:37:58,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-23 20:37:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:37:58,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 20:37:58,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:37:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-12-23 20:37:58,489 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 20:37:58,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [423576745] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 20:37:58,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 20:37:58,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 8 [2023-12-23 20:37:58,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684392598] [2023-12-23 20:37:58,515 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 20:37:58,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-23 20:37:58,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:37:58,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-23 20:37:58,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-23 20:37:58,522 INFO L87 Difference]: Start difference. First operand 48 states and 73 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-12-23 20:37:58,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:37:58,812 INFO L93 Difference]: Finished difference Result 105 states and 153 transitions. [2023-12-23 20:37:58,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-23 20:37:58,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 125 [2023-12-23 20:37:58,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:37:58,817 INFO L225 Difference]: With dead ends: 105 [2023-12-23 20:37:58,817 INFO L226 Difference]: Without dead ends: 58 [2023-12-23 20:37:58,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2023-12-23 20:37:58,819 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 55 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-23 20:37:58,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 114 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-23 20:37:58,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-12-23 20:37:58,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2023-12-23 20:37:58,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-23 20:37:58,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2023-12-23 20:37:58,829 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 125 [2023-12-23 20:37:58,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:37:58,829 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2023-12-23 20:37:58,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 3 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2023-12-23 20:37:58,830 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2023-12-23 20:37:58,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-23 20:37:58,831 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:37:58,831 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:37:58,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-23 20:37:59,039 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 [2023-12-23 20:37:59,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,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 [2023-12-23 20:37:59,239 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:37:59,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:37:59,239 INFO L85 PathProgramCache]: Analyzing trace with hash 749856748, now seen corresponding path program 1 times [2023-12-23 20:37:59,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:37:59,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123793989] [2023-12-23 20:37:59,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:37:59,240 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 [2023-12-23 20:37:59,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:37:59,241 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) [2023-12-23 20:37:59,252 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 [2023-12-23 20:37:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:37:59,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-23 20:37:59,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:39:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-23 20:39:30,750 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:39:30,750 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:39:30,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123793989] [2023-12-23 20:39:30,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123793989] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:39:30,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 20:39:30,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-23 20:39:30,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654271636] [2023-12-23 20:39:30,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:39:30,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-23 20:39:30,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:39:30,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-23 20:39:30,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-12-23 20:39:30,753 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:39:31,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:39:31,246 INFO L93 Difference]: Finished difference Result 138 states and 187 transitions. [2023-12-23 20:39:31,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-23 20:39:31,247 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 125 [2023-12-23 20:39:31,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:39:31,250 INFO L225 Difference]: With dead ends: 138 [2023-12-23 20:39:31,250 INFO L226 Difference]: Without dead ends: 136 [2023-12-23 20:39:31,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2023-12-23 20:39:31,251 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 66 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-23 20:39:31,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 283 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-23 20:39:31,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-12-23 20:39:31,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 115. [2023-12-23 20:39:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 66 states have internal predecessors, (78), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-23 20:39:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 162 transitions. [2023-12-23 20:39:31,269 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 162 transitions. Word has length 125 [2023-12-23 20:39:31,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:39:31,270 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 162 transitions. [2023-12-23 20:39:31,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:39:31,270 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 162 transitions. [2023-12-23 20:39:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-23 20:39:31,271 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:39:31,272 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:39:31,276 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 [2023-12-23 20:39:31,476 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 [2023-12-23 20:39:31,477 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:39:31,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:39:31,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1770103186, now seen corresponding path program 1 times [2023-12-23 20:39:31,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:39:31,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458483383] [2023-12-23 20:39:31,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:39:31,478 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 [2023-12-23 20:39:31,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:39:31,479 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) [2023-12-23 20:39:31,481 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 [2023-12-23 20:39:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:39:31,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-23 20:39:31,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:43:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-23 20:43:13,079 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:43:13,081 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:43:13,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458483383] [2023-12-23 20:43:13,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458483383] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:43:13,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 20:43:13,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-23 20:43:13,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285339128] [2023-12-23 20:43:13,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:43:13,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-23 20:43:13,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:43:13,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-23 20:43:13,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-12-23 20:43:13,085 INFO L87 Difference]: Start difference. First operand 115 states and 162 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:43:13,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:43:13,756 INFO L93 Difference]: Finished difference Result 140 states and 189 transitions. [2023-12-23 20:43:13,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-23 20:43:13,762 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 125 [2023-12-23 20:43:13,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:43:13,763 INFO L225 Difference]: With dead ends: 140 [2023-12-23 20:43:13,763 INFO L226 Difference]: Without dead ends: 138 [2023-12-23 20:43:13,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2023-12-23 20:43:13,764 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 35 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-23 20:43:13,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 302 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-23 20:43:13,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-23 20:43:13,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 115. [2023-12-23 20:43:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 66 states have internal predecessors, (78), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-23 20:43:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 162 transitions. [2023-12-23 20:43:13,789 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 162 transitions. Word has length 125 [2023-12-23 20:43:13,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:43:13,789 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 162 transitions. [2023-12-23 20:43:13,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:43:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 162 transitions. [2023-12-23 20:43:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-23 20:43:13,791 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:43:13,791 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:43:13,801 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 (6)] Ended with exit code 0 [2023-12-23 20:43:14,005 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 [2023-12-23 20:43:14,007 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:43:14,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:43:14,007 INFO L85 PathProgramCache]: Analyzing trace with hash -59489878, now seen corresponding path program 1 times [2023-12-23 20:43:14,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:43:14,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885135044] [2023-12-23 20:43:14,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:43:14,008 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 [2023-12-23 20:43:14,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:43:14,009 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) [2023-12-23 20:43:14,012 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 [2023-12-23 20:43:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:43:14,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 20:43:14,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:43:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-23 20:43:14,285 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:43:14,285 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:43:14,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885135044] [2023-12-23 20:43:14,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885135044] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:43:14,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 20:43:14,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-23 20:43:14,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561039213] [2023-12-23 20:43:14,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:43:14,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-23 20:43:14,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:43:14,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-23 20:43:14,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-23 20:43:14,287 INFO L87 Difference]: Start difference. First operand 115 states and 162 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:43:14,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:43:14,491 INFO L93 Difference]: Finished difference Result 233 states and 324 transitions. [2023-12-23 20:43:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-23 20:43:14,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 125 [2023-12-23 20:43:14,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:43:14,504 INFO L225 Difference]: With dead ends: 233 [2023-12-23 20:43:14,504 INFO L226 Difference]: Without dead ends: 119 [2023-12-23 20:43:14,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-23 20:43:14,506 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 54 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-23 20:43:14,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 273 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-23 20:43:14,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-12-23 20:43:14,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 111. [2023-12-23 20:43:14,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 62 states have internal predecessors, (71), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-23 20:43:14,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 155 transitions. [2023-12-23 20:43:14,518 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 155 transitions. Word has length 125 [2023-12-23 20:43:14,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:43:14,518 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 155 transitions. [2023-12-23 20:43:14,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:43:14,519 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 155 transitions. [2023-12-23 20:43:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-23 20:43:14,520 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:43:14,520 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:43:14,540 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 [2023-12-23 20:43:14,727 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 [2023-12-23 20:43:14,728 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:43:14,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:43:14,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1760987802, now seen corresponding path program 1 times [2023-12-23 20:43:14,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:43:14,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563552193] [2023-12-23 20:43:14,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:43:14,730 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 [2023-12-23 20:43:14,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:43:14,731 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) [2023-12-23 20:43:14,733 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 [2023-12-23 20:43:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:43:14,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-23 20:43:14,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:45:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-23 20:45:02,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:45:02,078 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:45:02,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563552193] [2023-12-23 20:45:02,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [563552193] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:45:02,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 20:45:02,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-23 20:45:02,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951949284] [2023-12-23 20:45:02,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:45:02,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-23 20:45:02,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:45:02,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-23 20:45:02,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-12-23 20:45:02,080 INFO L87 Difference]: Start difference. First operand 111 states and 155 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:45:03,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:45:03,094 INFO L93 Difference]: Finished difference Result 138 states and 183 transitions. [2023-12-23 20:45:03,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-23 20:45:03,099 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 126 [2023-12-23 20:45:03,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:45:03,100 INFO L225 Difference]: With dead ends: 138 [2023-12-23 20:45:03,101 INFO L226 Difference]: Without dead ends: 136 [2023-12-23 20:45:03,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2023-12-23 20:45:03,101 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 63 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-23 20:45:03,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 312 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-23 20:45:03,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-12-23 20:45:03,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 117. [2023-12-23 20:45:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 68 states have (on average 1.161764705882353) internal successors, (79), 68 states have internal predecessors, (79), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-23 20:45:03,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 163 transitions. [2023-12-23 20:45:03,114 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 163 transitions. Word has length 126 [2023-12-23 20:45:03,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:45:03,115 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 163 transitions. [2023-12-23 20:45:03,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:45:03,115 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2023-12-23 20:45:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-23 20:45:03,116 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:45:03,116 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:45:03,125 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 [2023-12-23 20:45:03,317 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 [2023-12-23 20:45:03,317 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:45:03,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:45:03,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1761047384, now seen corresponding path program 1 times [2023-12-23 20:45:03,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:45:03,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541314410] [2023-12-23 20:45:03,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:45:03,318 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 [2023-12-23 20:45:03,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:45:03,319 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) [2023-12-23 20:45:03,321 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 [2023-12-23 20:45:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:45:03,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-23 20:45:03,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:46:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-23 20:46:16,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:46:16,296 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:46:16,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541314410] [2023-12-23 20:46:16,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541314410] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:46:16,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 20:46:16,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-23 20:46:16,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736126338] [2023-12-23 20:46:16,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:46:16,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-23 20:46:16,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:46:16,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-23 20:46:16,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-12-23 20:46:16,297 INFO L87 Difference]: Start difference. First operand 117 states and 163 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:46:17,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:46:17,142 INFO L93 Difference]: Finished difference Result 130 states and 175 transitions. [2023-12-23 20:46:17,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-23 20:46:17,142 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 126 [2023-12-23 20:46:17,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:46:17,148 INFO L225 Difference]: With dead ends: 130 [2023-12-23 20:46:17,148 INFO L226 Difference]: Without dead ends: 128 [2023-12-23 20:46:17,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2023-12-23 20:46:17,150 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 45 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-23 20:46:17,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 220 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-23 20:46:17,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-12-23 20:46:17,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 117. [2023-12-23 20:46:17,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 68 states have (on average 1.161764705882353) internal successors, (79), 68 states have internal predecessors, (79), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-23 20:46:17,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 163 transitions. [2023-12-23 20:46:17,189 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 163 transitions. Word has length 126 [2023-12-23 20:46:17,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:46:17,189 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 163 transitions. [2023-12-23 20:46:17,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:46:17,190 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2023-12-23 20:46:17,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-23 20:46:17,191 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:46:17,191 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:46:17,198 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 [2023-12-23 20:46:17,391 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 [2023-12-23 20:46:17,391 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:46:17,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:46:17,392 INFO L85 PathProgramCache]: Analyzing trace with hash 951641176, now seen corresponding path program 1 times [2023-12-23 20:46:17,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:46:17,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176651581] [2023-12-23 20:46:17,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:46:17,393 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 [2023-12-23 20:46:17,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:46:17,396 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) [2023-12-23 20:46:17,397 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 [2023-12-23 20:46:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:46:17,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-23 20:46:17,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:47:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-23 20:47:43,759 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:47:43,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:47:43,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176651581] [2023-12-23 20:47:43,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176651581] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:47:43,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 20:47:43,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-23 20:47:43,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359787749] [2023-12-23 20:47:43,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:47:43,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-23 20:47:43,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:47:43,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-23 20:47:43,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-12-23 20:47:43,762 INFO L87 Difference]: Start difference. First operand 117 states and 163 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:47:44,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:47:44,453 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2023-12-23 20:47:44,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-23 20:47:44,458 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 126 [2023-12-23 20:47:44,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:47:44,460 INFO L225 Difference]: With dead ends: 132 [2023-12-23 20:47:44,460 INFO L226 Difference]: Without dead ends: 130 [2023-12-23 20:47:44,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2023-12-23 20:47:44,466 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 66 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-23 20:47:44,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 288 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-23 20:47:44,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-12-23 20:47:44,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 117. [2023-12-23 20:47:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 68 states have (on average 1.161764705882353) internal successors, (79), 68 states have internal predecessors, (79), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-23 20:47:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 163 transitions. [2023-12-23 20:47:44,486 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 163 transitions. Word has length 126 [2023-12-23 20:47:44,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:47:44,487 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 163 transitions. [2023-12-23 20:47:44,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:47:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2023-12-23 20:47:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-23 20:47:44,487 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:47:44,488 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:47:44,495 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 (10)] Forceful destruction successful, exit code 0 [2023-12-23 20:47:44,696 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 [2023-12-23 20:47:44,696 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:47:44,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:47:44,697 INFO L85 PathProgramCache]: Analyzing trace with hash 951700758, now seen corresponding path program 1 times [2023-12-23 20:47:44,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:47:44,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419364473] [2023-12-23 20:47:44,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:47:44,698 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 [2023-12-23 20:47:44,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:47:44,699 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) [2023-12-23 20:47:44,713 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 [2023-12-23 20:47:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:47:44,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-23 20:47:44,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:48:54,092 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-12-23 20:48:54,092 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:48:54,092 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:48:54,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419364473] [2023-12-23 20:48:54,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1419364473] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:48:54,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 20:48:54,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-23 20:48:54,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068321293] [2023-12-23 20:48:54,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:48:54,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-23 20:48:54,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:48:54,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-23 20:48:54,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-12-23 20:48:54,094 INFO L87 Difference]: Start difference. First operand 117 states and 163 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:48:55,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:48:55,048 INFO L93 Difference]: Finished difference Result 126 states and 171 transitions. [2023-12-23 20:48:55,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-23 20:48:55,048 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 126 [2023-12-23 20:48:55,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:48:55,049 INFO L225 Difference]: With dead ends: 126 [2023-12-23 20:48:55,049 INFO L226 Difference]: Without dead ends: 124 [2023-12-23 20:48:55,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2023-12-23 20:48:55,050 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 21 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-23 20:48:55,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 214 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-23 20:48:55,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-23 20:48:55,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 111. [2023-12-23 20:48:55,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 62 states have (on average 1.1290322580645162) internal successors, (70), 62 states have internal predecessors, (70), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-23 20:48:55,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 154 transitions. [2023-12-23 20:48:55,069 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 154 transitions. Word has length 126 [2023-12-23 20:48:55,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:48:55,075 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 154 transitions. [2023-12-23 20:48:55,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:48:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 154 transitions. [2023-12-23 20:48:55,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-12-23 20:48:55,077 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:48:55,077 INFO L195 NwaCegarLoop]: trace histogram [42, 42, 42, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:48:55,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-23 20:48:55,282 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 [2023-12-23 20:48:55,282 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:48:55,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:48:55,283 INFO L85 PathProgramCache]: Analyzing trace with hash -77935891, now seen corresponding path program 1 times [2023-12-23 20:48:55,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:48:55,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454843289] [2023-12-23 20:48:55,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:48:55,283 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 [2023-12-23 20:48:55,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:48:55,284 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) [2023-12-23 20:48:55,296 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 [2023-12-23 20:48:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:48:55,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-23 20:48:55,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 20:49:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3483 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3476 trivial. 0 not checked. [2023-12-23 20:49:56,845 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 20:49:56,845 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 20:49:56,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [454843289] [2023-12-23 20:49:56,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [454843289] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 20:49:56,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 20:49:56,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-23 20:49:56,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109766314] [2023-12-23 20:49:56,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 20:49:56,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-23 20:49:56,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 20:49:56,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-23 20:49:56,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-23 20:49:56,847 INFO L87 Difference]: Start difference. First operand 111 states and 154 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:49:57,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 20:49:57,543 INFO L93 Difference]: Finished difference Result 153 states and 203 transitions. [2023-12-23 20:49:57,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-23 20:49:57,544 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 250 [2023-12-23 20:49:57,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 20:49:57,545 INFO L225 Difference]: With dead ends: 153 [2023-12-23 20:49:57,545 INFO L226 Difference]: Without dead ends: 151 [2023-12-23 20:49:57,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2023-12-23 20:49:57,546 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 54 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-23 20:49:57,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 255 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-23 20:49:57,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-12-23 20:49:57,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 115. [2023-12-23 20:49:57,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 66 states have internal predecessors, (76), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-12-23 20:49:57,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 160 transitions. [2023-12-23 20:49:57,579 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 160 transitions. Word has length 250 [2023-12-23 20:49:57,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 20:49:57,582 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 160 transitions. [2023-12-23 20:49:57,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-12-23 20:49:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 160 transitions. [2023-12-23 20:49:57,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-12-23 20:49:57,585 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 20:49:57,585 INFO L195 NwaCegarLoop]: trace histogram [42, 42, 42, 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] [2023-12-23 20:49:57,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-12-23 20:49:57,792 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 [2023-12-23 20:49:57,792 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 20:49:57,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 20:49:57,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1697071471, now seen corresponding path program 1 times [2023-12-23 20:49:57,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 20:49:57,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095076672] [2023-12-23 20:49:57,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 20:49:57,793 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 [2023-12-23 20:49:57,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 20:49:57,795 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) [2023-12-23 20:49:57,796 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 [2023-12-23 20:49:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 20:49:57,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-23 20:49:57,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-23 20:52:34,075 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 20:52:34,094 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 20:52:34,110 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 20:52:34,117 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 (13)] Ended with exit code 0 [2023-12-23 20:52:34,316 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 [2023-12-23 20:52:34,317 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 251 with TraceHistMax 42,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-1 context. [2023-12-23 20:52:34,321 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 20:52:34,323 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 20:52:34,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 08:52:34 BoogieIcfgContainer [2023-12-23 20:52:34,325 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 20:52:34,325 INFO L158 Benchmark]: Toolchain (without parser) took 877919.05ms. Allocated memory was 184.5MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 149.5MB in the beginning and 758.5MB in the end (delta: -609.1MB). Peak memory consumption was 733.4MB. Max. memory is 8.0GB. [2023-12-23 20:52:34,325 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 142.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 20:52:34,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.00ms. Allocated memory is still 184.5MB. Free memory was 149.5MB in the beginning and 135.7MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-23 20:52:34,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.84ms. Allocated memory is still 184.5MB. Free memory was 135.7MB in the beginning and 133.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 20:52:34,326 INFO L158 Benchmark]: Boogie Preprocessor took 31.29ms. Allocated memory is still 184.5MB. Free memory was 133.8MB in the beginning and 131.0MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 20:52:34,326 INFO L158 Benchmark]: RCFGBuilder took 450.19ms. Allocated memory is still 184.5MB. Free memory was 131.0MB in the beginning and 110.4MB in the end (delta: 20.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-23 20:52:34,326 INFO L158 Benchmark]: TraceAbstraction took 877199.65ms. Allocated memory was 184.5MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 109.6MB in the beginning and 758.5MB in the end (delta: -648.9MB). Peak memory consumption was 693.5MB. Max. memory is 8.0GB. [2023-12-23 20:52:34,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 142.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 207.00ms. Allocated memory is still 184.5MB. Free memory was 149.5MB in the beginning and 135.7MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.84ms. Allocated memory is still 184.5MB. Free memory was 135.7MB in the beginning and 133.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.29ms. Allocated memory is still 184.5MB. Free memory was 133.8MB in the beginning and 131.0MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 450.19ms. Allocated memory is still 184.5MB. Free memory was 131.0MB in the beginning and 110.4MB in the end (delta: 20.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 877199.65ms. Allocated memory was 184.5MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 109.6MB in the beginning and 758.5MB in the end (delta: -648.9MB). Peak memory consumption was 693.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 251 with TraceHistMax 42,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 877.1s, OverallIterations: 11, TraceHistogramMax: 42, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 469 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 459 mSDsluCounter, 2331 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1695 mSDsCounter, 171 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1242 IncrementalHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 171 mSolverCounterUnsat, 636 mSDtfsCounter, 1242 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1546 GetRequests, 1451 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=6, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 146 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 710.9s InterpolantComputationTime, 1504 NumberOfCodeBlocks, 1504 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1493 ConstructedInterpolants, 0 QuantifiedInterpolants, 12013 SizeOfPredicates, 155 NumberOfNonLiveVariables, 2422 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 11799/11883 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown