/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/combinations/pals_lcr.8.ufo.BOUNDED-16.pals+Problem12_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 08:04:53,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 08:04:53,987 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 08:04:53,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 08:04:53,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 08:04:54,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 08:04:54,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 08:04:54,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 08:04:54,013 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 08:04:54,016 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 08:04:54,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 08:04:54,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 08:04:54,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 08:04:54,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 08:04:54,018 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 08:04:54,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 08:04:54,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 08:04:54,019 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 08:04:54,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 08:04:54,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 08:04:54,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 08:04:54,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 08:04:54,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 08:04:54,021 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 08:04:54,021 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 08:04:54,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 08:04:54,021 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 08:04:54,021 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 08:04:54,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 08:04:54,021 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 08:04:54,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 08:04:54,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 08:04:54,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 08:04:54,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 08:04:54,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 08:04:54,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 08:04:54,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 08:04:54,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 08:04:54,023 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 08:04:54,023 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 08:04:54,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 08:04:54,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 08:04:54,024 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 08:04:54,024 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 08:04:54,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 08:04:54,024 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 08:04:54,024 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 08:04:54,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 08:04:54,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 08:04:54,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 08:04:54,250 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 08:04:54,250 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 08:04:54,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/pals_lcr.8.ufo.BOUNDED-16.pals+Problem12_label02.c [2023-12-16 08:04:55,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 08:04:55,562 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 08:04:55,562 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/pals_lcr.8.ufo.BOUNDED-16.pals+Problem12_label02.c [2023-12-16 08:04:55,592 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f205ee192/b34900356e474c0a958d31f46e90894f/FLAGd22acc5ee [2023-12-16 08:04:55,607 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f205ee192/b34900356e474c0a958d31f46e90894f [2023-12-16 08:04:55,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 08:04:55,610 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 08:04:55,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 08:04:55,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 08:04:55,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 08:04:55,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:04:55" (1/1) ... [2023-12-16 08:04:55,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35aae7ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:55, skipping insertion in model container [2023-12-16 08:04:55,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:04:55" (1/1) ... [2023-12-16 08:04:55,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 08:04:56,035 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pals_lcr.8.ufo.BOUNDED-16.pals+Problem12_label02.c[26860,26873] [2023-12-16 08:04:56,117 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pals_lcr.8.ufo.BOUNDED-16.pals+Problem12_label02.c[34150,34163] [2023-12-16 08:04:56,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 08:04:56,641 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 08:04:56,697 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pals_lcr.8.ufo.BOUNDED-16.pals+Problem12_label02.c[26860,26873] [2023-12-16 08:04:56,716 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/pals_lcr.8.ufo.BOUNDED-16.pals+Problem12_label02.c[34150,34163] [2023-12-16 08:04:57,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 08:04:57,043 INFO L206 MainTranslator]: Completed translation [2023-12-16 08:04:57,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57 WrapperNode [2023-12-16 08:04:57,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 08:04:57,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 08:04:57,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 08:04:57,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 08:04:57,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57" (1/1) ... [2023-12-16 08:04:57,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57" (1/1) ... [2023-12-16 08:04:57,292 INFO L138 Inliner]: procedures = 40, calls = 25, calls flagged for inlining = 20, calls inlined = 20, statements flattened = 5251 [2023-12-16 08:04:57,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 08:04:57,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 08:04:57,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 08:04:57,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 08:04:57,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57" (1/1) ... [2023-12-16 08:04:57,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57" (1/1) ... [2023-12-16 08:04:57,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57" (1/1) ... [2023-12-16 08:04:57,408 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]. [2023-12-16 08:04:57,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57" (1/1) ... [2023-12-16 08:04:57,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57" (1/1) ... [2023-12-16 08:04:57,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57" (1/1) ... [2023-12-16 08:04:57,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57" (1/1) ... [2023-12-16 08:04:57,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57" (1/1) ... [2023-12-16 08:04:57,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57" (1/1) ... [2023-12-16 08:04:57,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 08:04:57,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 08:04:57,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 08:04:57,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 08:04:57,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57" (1/1) ... [2023-12-16 08:04:57,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 08:04:57,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 08:04:57,679 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) [2023-12-16 08:04:57,685 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 [2023-12-16 08:04:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 08:04:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 08:04:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 08:04:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 08:04:57,861 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 08:04:57,863 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 08:05:23,007 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 08:05:23,065 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 08:05:23,065 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 08:05:23,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:05:23 BoogieIcfgContainer [2023-12-16 08:05:23,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 08:05:23,067 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 08:05:23,067 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 08:05:23,069 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 08:05:23,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:04:55" (1/3) ... [2023-12-16 08:05:23,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa9a0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:05:23, skipping insertion in model container [2023-12-16 08:05:23,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:04:57" (2/3) ... [2023-12-16 08:05:23,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa9a0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:05:23, skipping insertion in model container [2023-12-16 08:05:23,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:05:23" (3/3) ... [2023-12-16 08:05:23,071 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.ufo.BOUNDED-16.pals+Problem12_label02.c [2023-12-16 08:05:23,091 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 08:05:23,091 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-16 08:05:23,144 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 08:05:23,149 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;@4a454336, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 08:05:23,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-16 08:05:23,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 882 states, 879 states have (on average 1.9704209328782707) internal successors, (1732), 881 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:05:23,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-16 08:05:23,167 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:05:23,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:05:23,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:05:23,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:05:23,172 INFO L85 PathProgramCache]: Analyzing trace with hash -98995374, now seen corresponding path program 1 times [2023-12-16 08:05:23,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:05:23,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117405549] [2023-12-16 08:05:23,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:05:23,185 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 [2023-12-16 08:05:23,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:05:23,187 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) [2023-12-16 08:05:23,241 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 [2023-12-16 08:05:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:05:23,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 08:05:23,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:05:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:05:23,373 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:05:23,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:05:23,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117405549] [2023-12-16 08:05:23,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117405549] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:05:23,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:05:23,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 08:05:23,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63697130] [2023-12-16 08:05:23,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:05:23,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 08:05:23,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:05:23,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 08:05:23,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 08:05:23,406 INFO L87 Difference]: Start difference. First operand has 882 states, 879 states have (on average 1.9704209328782707) internal successors, (1732), 881 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:05:23,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:05:23,493 INFO L93 Difference]: Finished difference Result 1699 states and 3336 transitions. [2023-12-16 08:05:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 08:05:23,496 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-12-16 08:05:23,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:05:23,512 INFO L225 Difference]: With dead ends: 1699 [2023-12-16 08:05:23,512 INFO L226 Difference]: Without dead ends: 878 [2023-12-16 08:05:23,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 08:05:23,520 INFO L413 NwaCegarLoop]: 1661 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:05:23,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1661 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 08:05:23,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2023-12-16 08:05:23,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 878. [2023-12-16 08:05:23,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 876 states have (on average 1.8961187214611872) internal successors, (1661), 877 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:05:23,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1661 transitions. [2023-12-16 08:05:23,573 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1661 transitions. Word has length 27 [2023-12-16 08:05:23,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:05:23,573 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1661 transitions. [2023-12-16 08:05:23,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:05:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1661 transitions. [2023-12-16 08:05:23,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-16 08:05:23,574 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:05:23,574 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:05:23,581 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 [2023-12-16 08:05:23,779 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 [2023-12-16 08:05:23,779 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:05:23,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:05:23,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1904433708, now seen corresponding path program 1 times [2023-12-16 08:05:23,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:05:23,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [848663763] [2023-12-16 08:05:23,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:05:23,780 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 [2023-12-16 08:05:23,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:05:23,781 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) [2023-12-16 08:05:23,814 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 [2023-12-16 08:05:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:05:23,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 08:05:23,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:05:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:05:23,908 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:05:23,908 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:05:23,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [848663763] [2023-12-16 08:05:23,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [848663763] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:05:23,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:05:23,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 08:05:23,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917514817] [2023-12-16 08:05:23,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:05:23,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 08:05:23,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:05:23,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 08:05:23,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:05:23,910 INFO L87 Difference]: Start difference. First operand 878 states and 1661 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:05:24,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:05:24,010 INFO L93 Difference]: Finished difference Result 940 states and 1760 transitions. [2023-12-16 08:05:24,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 08:05:24,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2023-12-16 08:05:24,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:05:24,014 INFO L225 Difference]: With dead ends: 940 [2023-12-16 08:05:24,014 INFO L226 Difference]: Without dead ends: 878 [2023-12-16 08:05:24,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:05:24,015 INFO L413 NwaCegarLoop]: 1658 mSDtfsCounter, 0 mSDsluCounter, 3251 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4909 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 08:05:24,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4909 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 08:05:24,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2023-12-16 08:05:24,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 878. [2023-12-16 08:05:24,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 876 states have (on average 1.82648401826484) internal successors, (1600), 877 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:05:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1600 transitions. [2023-12-16 08:05:24,029 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1600 transitions. Word has length 27 [2023-12-16 08:05:24,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:05:24,029 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1600 transitions. [2023-12-16 08:05:24,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:05:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1600 transitions. [2023-12-16 08:05:24,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-16 08:05:24,030 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:05:24,031 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:05:24,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-16 08:05:24,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:05:24,235 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:05:24,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:05:24,235 INFO L85 PathProgramCache]: Analyzing trace with hash 630448219, now seen corresponding path program 1 times [2023-12-16 08:05:24,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:05:24,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406287052] [2023-12-16 08:05:24,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:05:24,236 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 [2023-12-16 08:05:24,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:05:24,237 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:05:24,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 08:05:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:05:24,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:05:24,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:05:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:05:24,416 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:05:24,416 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:05:24,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406287052] [2023-12-16 08:05:24,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406287052] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:05:24,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:05:24,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 08:05:24,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812875761] [2023-12-16 08:05:24,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:05:24,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:05:24,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:05:24,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:05:24,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:05:24,418 INFO L87 Difference]: Start difference. First operand 878 states and 1600 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:05:59,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:05:59,269 INFO L93 Difference]: Finished difference Result 2382 states and 4473 transitions. [2023-12-16 08:05:59,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:05:59,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2023-12-16 08:05:59,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:05:59,276 INFO L225 Difference]: With dead ends: 2382 [2023-12-16 08:05:59,276 INFO L226 Difference]: Without dead ends: 1629 [2023-12-16 08:05:59,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:05:59,278 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 917 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2277 mSolverCounterSat, 591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 2868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 591 IncrementalHoareTripleChecker+Valid, 2277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2023-12-16 08:05:59,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 586 Invalid, 2868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [591 Valid, 2277 Invalid, 0 Unknown, 0 Unchecked, 34.7s Time] [2023-12-16 08:05:59,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1629 states. [2023-12-16 08:05:59,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1629 to 1629. [2023-12-16 08:05:59,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1629 states, 1627 states have (on average 1.6146281499692685) internal successors, (2627), 1628 states have internal predecessors, (2627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:05:59,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1629 states and 2627 transitions. [2023-12-16 08:05:59,303 INFO L78 Accepts]: Start accepts. Automaton has 1629 states and 2627 transitions. Word has length 62 [2023-12-16 08:05:59,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:05:59,303 INFO L495 AbstractCegarLoop]: Abstraction has 1629 states and 2627 transitions. [2023-12-16 08:05:59,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:05:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 2627 transitions. [2023-12-16 08:05:59,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-16 08:05:59,305 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:05:59,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:05:59,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 08:05:59,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:05:59,508 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:05:59,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:05:59,508 INFO L85 PathProgramCache]: Analyzing trace with hash -537635452, now seen corresponding path program 1 times [2023-12-16 08:05:59,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:05:59,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495176868] [2023-12-16 08:05:59,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:05:59,509 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 [2023-12-16 08:05:59,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:05:59,510 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) [2023-12-16 08:05:59,514 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 [2023-12-16 08:05:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:05:59,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 08:05:59,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:06:01,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:06:01,763 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:06:01,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:06:01,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1495176868] [2023-12-16 08:06:01,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1495176868] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:06:01,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:06:01,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 08:06:01,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027741533] [2023-12-16 08:06:01,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:06:01,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 08:06:01,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:06:01,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 08:06:01,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-12-16 08:06:01,764 INFO L87 Difference]: Start difference. First operand 1629 states and 2627 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:02,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:06:02,243 INFO L93 Difference]: Finished difference Result 2160 states and 3491 transitions. [2023-12-16 08:06:02,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 08:06:02,244 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-16 08:06:02,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:06:02,252 INFO L225 Difference]: With dead ends: 2160 [2023-12-16 08:06:02,252 INFO L226 Difference]: Without dead ends: 2101 [2023-12-16 08:06:02,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-12-16 08:06:02,256 INFO L413 NwaCegarLoop]: 1594 mSDtfsCounter, 3669 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3669 SdHoareTripleChecker+Valid, 3075 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 08:06:02,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3669 Valid, 3075 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 08:06:02,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2023-12-16 08:06:02,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 1743. [2023-12-16 08:06:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1743 states, 1741 states have (on average 1.6163124641010913) internal successors, (2814), 1742 states have internal predecessors, (2814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:02,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2814 transitions. [2023-12-16 08:06:02,288 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2814 transitions. Word has length 87 [2023-12-16 08:06:02,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:06:02,289 INFO L495 AbstractCegarLoop]: Abstraction has 1743 states and 2814 transitions. [2023-12-16 08:06:02,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:02,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2814 transitions. [2023-12-16 08:06:02,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-16 08:06:02,291 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:06:02,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:06:02,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-16 08:06:02,495 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 [2023-12-16 08:06:02,496 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:06:02,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:06:02,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1411800044, now seen corresponding path program 1 times [2023-12-16 08:06:02,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:06:02,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24989587] [2023-12-16 08:06:02,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:06:02,498 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 [2023-12-16 08:06:02,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:06:02,499 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) [2023-12-16 08:06:02,528 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 [2023-12-16 08:06:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:06:02,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:06:02,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:06:02,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:06:02,730 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:06:02,730 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:06:02,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24989587] [2023-12-16 08:06:02,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24989587] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:06:02,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:06:02,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:06:02,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278233036] [2023-12-16 08:06:02,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:06:02,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:06:02,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:06:02,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:06:02,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:02,731 INFO L87 Difference]: Start difference. First operand 1743 states and 2814 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:02,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:06:02,769 INFO L93 Difference]: Finished difference Result 2073 states and 3352 transitions. [2023-12-16 08:06:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:06:02,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2023-12-16 08:06:02,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:06:02,775 INFO L225 Difference]: With dead ends: 2073 [2023-12-16 08:06:02,775 INFO L226 Difference]: Without dead ends: 1900 [2023-12-16 08:06:02,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:02,776 INFO L413 NwaCegarLoop]: 1596 mSDtfsCounter, 1504 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 1686 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:06:02,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 1686 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 08:06:02,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2023-12-16 08:06:02,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1898. [2023-12-16 08:06:02,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1898 states, 1896 states have (on average 1.615506329113924) internal successors, (3063), 1897 states have internal predecessors, (3063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1898 states and 3063 transitions. [2023-12-16 08:06:02,801 INFO L78 Accepts]: Start accepts. Automaton has 1898 states and 3063 transitions. Word has length 89 [2023-12-16 08:06:02,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:06:02,802 INFO L495 AbstractCegarLoop]: Abstraction has 1898 states and 3063 transitions. [2023-12-16 08:06:02,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:02,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 3063 transitions. [2023-12-16 08:06:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-16 08:06:02,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:06:02,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:06:02,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-16 08:06:03,006 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 [2023-12-16 08:06:03,007 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:06:03,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:06:03,008 INFO L85 PathProgramCache]: Analyzing trace with hash -878537093, now seen corresponding path program 1 times [2023-12-16 08:06:03,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:06:03,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1029585046] [2023-12-16 08:06:03,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:06:03,009 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 [2023-12-16 08:06:03,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:06:03,010 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) [2023-12-16 08:06:03,045 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 [2023-12-16 08:06:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:06:03,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 08:06:03,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:06:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:06:03,148 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:06:03,149 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:06:03,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1029585046] [2023-12-16 08:06:03,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1029585046] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:06:03,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:06:03,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 08:06:03,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024236053] [2023-12-16 08:06:03,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:06:03,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 08:06:03,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:06:03,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 08:06:03,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:06:03,150 INFO L87 Difference]: Start difference. First operand 1898 states and 3063 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:03,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:06:03,222 INFO L93 Difference]: Finished difference Result 1912 states and 3080 transitions. [2023-12-16 08:06:03,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 08:06:03,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-12-16 08:06:03,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:06:03,229 INFO L225 Difference]: With dead ends: 1912 [2023-12-16 08:06:03,230 INFO L226 Difference]: Without dead ends: 1910 [2023-12-16 08:06:03,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:06:03,232 INFO L413 NwaCegarLoop]: 1596 mSDtfsCounter, 1 mSDsluCounter, 3184 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4780 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:06:03,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4780 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 08:06:03,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2023-12-16 08:06:03,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 1906. [2023-12-16 08:06:03,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1906 states, 1904 states have (on average 1.6123949579831933) internal successors, (3070), 1905 states have internal predecessors, (3070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 3070 transitions. [2023-12-16 08:06:03,268 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 3070 transitions. Word has length 90 [2023-12-16 08:06:03,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:06:03,269 INFO L495 AbstractCegarLoop]: Abstraction has 1906 states and 3070 transitions. [2023-12-16 08:06:03,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:03,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 3070 transitions. [2023-12-16 08:06:03,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 08:06:03,272 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:06:03,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:06:03,278 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 (7)] Ended with exit code 0 [2023-12-16 08:06:03,476 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 [2023-12-16 08:06:03,476 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:06:03,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:06:03,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1337202636, now seen corresponding path program 1 times [2023-12-16 08:06:03,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:06:03,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035928004] [2023-12-16 08:06:03,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:06:03,477 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 [2023-12-16 08:06:03,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:06:03,478 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) [2023-12-16 08:06:03,484 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 [2023-12-16 08:06:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:06:03,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:06:03,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:06:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:06:03,704 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:06:03,704 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:06:03,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035928004] [2023-12-16 08:06:03,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035928004] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:06:03,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:06:03,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:06:03,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773874740] [2023-12-16 08:06:03,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:06:03,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:06:03,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:06:03,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:06:03,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:03,705 INFO L87 Difference]: Start difference. First operand 1906 states and 3070 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:03,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:06:03,742 INFO L93 Difference]: Finished difference Result 2254 states and 3630 transitions. [2023-12-16 08:06:03,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:06:03,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 08:06:03,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:06:03,748 INFO L225 Difference]: With dead ends: 2254 [2023-12-16 08:06:03,749 INFO L226 Difference]: Without dead ends: 2075 [2023-12-16 08:06:03,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:03,750 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1524 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 1773 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:06:03,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 1773 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 08:06:03,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2023-12-16 08:06:03,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 2073. [2023-12-16 08:06:03,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2073 states, 2071 states have (on average 1.6108160309029453) internal successors, (3336), 2072 states have internal predecessors, (3336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:03,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 2073 states and 3336 transitions. [2023-12-16 08:06:03,781 INFO L78 Accepts]: Start accepts. Automaton has 2073 states and 3336 transitions. Word has length 91 [2023-12-16 08:06:03,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:06:03,781 INFO L495 AbstractCegarLoop]: Abstraction has 2073 states and 3336 transitions. [2023-12-16 08:06:03,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:03,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 3336 transitions. [2023-12-16 08:06:03,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 08:06:03,782 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:06:03,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:06:03,799 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 [2023-12-16 08:06:03,985 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 [2023-12-16 08:06:03,986 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:06:03,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:06:03,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1411815116, now seen corresponding path program 1 times [2023-12-16 08:06:03,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:06:03,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829246132] [2023-12-16 08:06:03,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:06:03,987 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:06:03,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:06:03,990 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) [2023-12-16 08:06:03,992 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 [2023-12-16 08:06:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:06:04,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:06:04,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:06:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:06:04,219 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:06:04,219 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:06:04,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829246132] [2023-12-16 08:06:04,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829246132] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:06:04,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:06:04,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:06:04,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629601877] [2023-12-16 08:06:04,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:06:04,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:06:04,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:06:04,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:06:04,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:04,220 INFO L87 Difference]: Start difference. First operand 2073 states and 3336 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:04,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:06:04,267 INFO L93 Difference]: Finished difference Result 3039 states and 4879 transitions. [2023-12-16 08:06:04,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:06:04,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 08:06:04,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:06:04,274 INFO L225 Difference]: With dead ends: 3039 [2023-12-16 08:06:04,274 INFO L226 Difference]: Without dead ends: 2538 [2023-12-16 08:06:04,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:04,276 INFO L413 NwaCegarLoop]: 1679 mSDtfsCounter, 1522 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:06:04,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1522 Valid, 1779 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 08:06:04,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2023-12-16 08:06:04,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2536. [2023-12-16 08:06:04,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2536 states, 2534 states have (on average 1.6045777426992898) internal successors, (4066), 2535 states have internal predecessors, (4066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:04,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2536 states and 4066 transitions. [2023-12-16 08:06:04,314 INFO L78 Accepts]: Start accepts. Automaton has 2536 states and 4066 transitions. Word has length 91 [2023-12-16 08:06:04,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:06:04,314 INFO L495 AbstractCegarLoop]: Abstraction has 2536 states and 4066 transitions. [2023-12-16 08:06:04,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:04,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 4066 transitions. [2023-12-16 08:06:04,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 08:06:04,315 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:06:04,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:06:04,332 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 [2023-12-16 08:06:04,519 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 [2023-12-16 08:06:04,519 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:06:04,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:06:04,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1756812492, now seen corresponding path program 1 times [2023-12-16 08:06:04,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:06:04,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674385484] [2023-12-16 08:06:04,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:06:04,520 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 [2023-12-16 08:06:04,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:06:04,521 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) [2023-12-16 08:06:04,545 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 [2023-12-16 08:06:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:06:04,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:06:04,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:06:04,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:06:04,707 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:06:04,707 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:06:04,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674385484] [2023-12-16 08:06:04,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674385484] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:06:04,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:06:04,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:06:04,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943605864] [2023-12-16 08:06:04,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:06:04,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:06:04,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:06:04,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:06:04,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:04,708 INFO L87 Difference]: Start difference. First operand 2536 states and 4066 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:04,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:06:04,756 INFO L93 Difference]: Finished difference Result 4392 states and 7006 transitions. [2023-12-16 08:06:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:06:04,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 08:06:04,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:06:04,765 INFO L225 Difference]: With dead ends: 4392 [2023-12-16 08:06:04,765 INFO L226 Difference]: Without dead ends: 3428 [2023-12-16 08:06:04,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:04,767 INFO L413 NwaCegarLoop]: 1667 mSDtfsCounter, 1518 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 1775 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:06:04,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 1775 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 08:06:04,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3428 states. [2023-12-16 08:06:04,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3428 to 3426. [2023-12-16 08:06:04,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3426 states, 3424 states have (on average 1.592873831775701) internal successors, (5454), 3425 states have internal predecessors, (5454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 3426 states and 5454 transitions. [2023-12-16 08:06:04,823 INFO L78 Accepts]: Start accepts. Automaton has 3426 states and 5454 transitions. Word has length 91 [2023-12-16 08:06:04,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:06:04,823 INFO L495 AbstractCegarLoop]: Abstraction has 3426 states and 5454 transitions. [2023-12-16 08:06:04,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:04,823 INFO L276 IsEmpty]: Start isEmpty. Operand 3426 states and 5454 transitions. [2023-12-16 08:06:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 08:06:04,824 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:06:04,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:06:04,838 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 [2023-12-16 08:06:05,028 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 [2023-12-16 08:06:05,029 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:06:05,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:06:05,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1488229324, now seen corresponding path program 1 times [2023-12-16 08:06:05,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:06:05,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372628132] [2023-12-16 08:06:05,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:06:05,030 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 [2023-12-16 08:06:05,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:06:05,031 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) [2023-12-16 08:06:05,032 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 [2023-12-16 08:06:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:06:05,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:06:05,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:06:05,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:06:05,234 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:06:05,234 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:06:05,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372628132] [2023-12-16 08:06:05,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [372628132] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:06:05,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:06:05,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:06:05,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137435122] [2023-12-16 08:06:05,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:06:05,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:06:05,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:06:05,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:06:05,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:05,235 INFO L87 Difference]: Start difference. First operand 3426 states and 5454 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:05,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:06:05,371 INFO L93 Difference]: Finished difference Result 6990 states and 11044 transitions. [2023-12-16 08:06:05,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:06:05,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 08:06:05,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:06:05,385 INFO L225 Difference]: With dead ends: 6990 [2023-12-16 08:06:05,385 INFO L226 Difference]: Without dead ends: 5136 [2023-12-16 08:06:05,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:05,389 INFO L413 NwaCegarLoop]: 1665 mSDtfsCounter, 1516 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 1777 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:06:05,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1516 Valid, 1777 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 08:06:05,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5136 states. [2023-12-16 08:06:05,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5136 to 5134. [2023-12-16 08:06:05,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5134 states, 5132 states have (on average 1.5756040530007793) internal successors, (8086), 5133 states have internal predecessors, (8086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5134 states to 5134 states and 8086 transitions. [2023-12-16 08:06:05,481 INFO L78 Accepts]: Start accepts. Automaton has 5134 states and 8086 transitions. Word has length 91 [2023-12-16 08:06:05,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:06:05,481 INFO L495 AbstractCegarLoop]: Abstraction has 5134 states and 8086 transitions. [2023-12-16 08:06:05,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:05,481 INFO L276 IsEmpty]: Start isEmpty. Operand 5134 states and 8086 transitions. [2023-12-16 08:06:05,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 08:06:05,485 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:06:05,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:06:05,512 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 [2023-12-16 08:06:05,689 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 [2023-12-16 08:06:05,689 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:06:05,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:06:05,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1528173260, now seen corresponding path program 1 times [2023-12-16 08:06:05,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:06:05,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335331820] [2023-12-16 08:06:05,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:06:05,690 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 [2023-12-16 08:06:05,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:06:05,692 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) [2023-12-16 08:06:05,693 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 [2023-12-16 08:06:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:06:05,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:06:05,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:06:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:06:05,917 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:06:05,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:06:05,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335331820] [2023-12-16 08:06:05,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1335331820] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:06:05,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:06:05,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:06:05,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611132065] [2023-12-16 08:06:05,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:06:05,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:06:05,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:06:05,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:06:05,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:05,918 INFO L87 Difference]: Start difference. First operand 5134 states and 8086 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:06,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:06:06,000 INFO L93 Difference]: Finished difference Result 11970 states and 18688 transitions. [2023-12-16 08:06:06,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:06:06,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 08:06:06,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:06:06,028 INFO L225 Difference]: With dead ends: 11970 [2023-12-16 08:06:06,028 INFO L226 Difference]: Without dead ends: 8408 [2023-12-16 08:06:06,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:06,035 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 1514 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:06:06,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 1779 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 08:06:06,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8408 states. [2023-12-16 08:06:06,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8408 to 8406. [2023-12-16 08:06:06,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8406 states, 8404 states have (on average 1.554259876249405) internal successors, (13062), 8405 states have internal predecessors, (13062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:06,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8406 states to 8406 states and 13062 transitions. [2023-12-16 08:06:06,173 INFO L78 Accepts]: Start accepts. Automaton has 8406 states and 13062 transitions. Word has length 91 [2023-12-16 08:06:06,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:06:06,174 INFO L495 AbstractCegarLoop]: Abstraction has 8406 states and 13062 transitions. [2023-12-16 08:06:06,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:06,174 INFO L276 IsEmpty]: Start isEmpty. Operand 8406 states and 13062 transitions. [2023-12-16 08:06:06,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 08:06:06,174 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:06:06,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:06:06,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-16 08:06:06,379 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 [2023-12-16 08:06:06,379 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:06:06,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:06:06,379 INFO L85 PathProgramCache]: Analyzing trace with hash 902517196, now seen corresponding path program 1 times [2023-12-16 08:06:06,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:06:06,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368882231] [2023-12-16 08:06:06,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:06:06,380 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 [2023-12-16 08:06:06,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:06:06,381 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) [2023-12-16 08:06:06,430 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 [2023-12-16 08:06:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:06:06,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:06:06,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:06:06,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:06:06,581 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:06:06,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:06:06,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368882231] [2023-12-16 08:06:06,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368882231] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:06:06,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:06:06,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:06:06,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432842508] [2023-12-16 08:06:06,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:06:06,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:06:06,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:06:06,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:06:06,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:06,582 INFO L87 Difference]: Start difference. First operand 8406 states and 13062 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:06,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:06:06,693 INFO L93 Difference]: Finished difference Result 21498 states and 33112 transitions. [2023-12-16 08:06:06,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:06:06,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 08:06:06,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:06:06,717 INFO L225 Difference]: With dead ends: 21498 [2023-12-16 08:06:06,717 INFO L226 Difference]: Without dead ends: 14664 [2023-12-16 08:06:06,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:06,729 INFO L413 NwaCegarLoop]: 1661 mSDtfsCounter, 1512 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 1781 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:06:06,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 1781 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 08:06:06,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14664 states. [2023-12-16 08:06:07,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14664 to 14662. [2023-12-16 08:06:07,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14662 states, 14660 states have (on average 1.5305593451568895) internal successors, (22438), 14661 states have internal predecessors, (22438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:07,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14662 states to 14662 states and 22438 transitions. [2023-12-16 08:06:07,051 INFO L78 Accepts]: Start accepts. Automaton has 14662 states and 22438 transitions. Word has length 91 [2023-12-16 08:06:07,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:06:07,051 INFO L495 AbstractCegarLoop]: Abstraction has 14662 states and 22438 transitions. [2023-12-16 08:06:07,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:07,052 INFO L276 IsEmpty]: Start isEmpty. Operand 14662 states and 22438 transitions. [2023-12-16 08:06:07,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-16 08:06:07,052 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:06:07,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:06:07,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-16 08:06:07,256 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 [2023-12-16 08:06:07,257 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:06:07,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:06:07,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1791250636, now seen corresponding path program 1 times [2023-12-16 08:06:07,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:06:07,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196813033] [2023-12-16 08:06:07,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:06:07,258 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 [2023-12-16 08:06:07,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:06:07,259 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:06:07,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-16 08:06:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:06:07,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:06:07,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:06:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:06:07,464 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:06:07,464 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:06:07,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196813033] [2023-12-16 08:06:07,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [196813033] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:06:07,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:06:07,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:06:07,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220049230] [2023-12-16 08:06:07,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:06:07,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:06:07,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:06:07,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:06:07,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:07,466 INFO L87 Difference]: Start difference. First operand 14662 states and 22438 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:07,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:06:07,678 INFO L93 Difference]: Finished difference Result 39690 states and 60232 transitions. [2023-12-16 08:06:07,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:06:07,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-16 08:06:07,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:06:07,727 INFO L225 Difference]: With dead ends: 39690 [2023-12-16 08:06:07,728 INFO L226 Difference]: Without dead ends: 26600 [2023-12-16 08:06:07,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:06:07,749 INFO L413 NwaCegarLoop]: 1659 mSDtfsCounter, 1510 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:06:07,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 1783 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 08:06:07,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26600 states. Received shutdown request... [2023-12-16 08:06:08,180 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 [2023-12-16 08:06:08,180 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 (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 08:06:08,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26600 to 26598. [2023-12-16 08:06:08,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26598 states, 26596 states have (on average 1.505414348022259) internal successors, (40038), 26597 states have internal predecessors, (40038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:06:08,279 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-12-16 08:06:08,283 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 (14)] Ended with exit code 0 [2023-12-16 08:06:08,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:06:08,485 WARN L619 AbstractCegarLoop]: Verification canceled: while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). [2023-12-16 08:06:08,486 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-12-16 08:06:08,489 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:06:08,491 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 08:06:08,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:06:08 BoogieIcfgContainer [2023-12-16 08:06:08,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 08:06:08,493 INFO L158 Benchmark]: Toolchain (without parser) took 72883.56ms. Allocated memory was 359.7MB in the beginning and 864.0MB in the end (delta: 504.4MB). Free memory was 295.4MB in the beginning and 356.0MB in the end (delta: -60.6MB). Peak memory consumption was 550.4MB. Max. memory is 8.0GB. [2023-12-16 08:06:08,493 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 08:06:08,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1434.01ms. Allocated memory is still 359.7MB. Free memory was 295.4MB in the beginning and 140.9MB in the end (delta: 154.5MB). Peak memory consumption was 155.6MB. Max. memory is 8.0GB. [2023-12-16 08:06:08,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 246.44ms. Allocated memory is still 359.7MB. Free memory was 140.9MB in the beginning and 289.3MB in the end (delta: -148.4MB). Peak memory consumption was 44.7MB. Max. memory is 8.0GB. [2023-12-16 08:06:08,494 INFO L158 Benchmark]: Boogie Preprocessor took 362.37ms. Allocated memory is still 359.7MB. Free memory was 289.3MB in the beginning and 280.8MB in the end (delta: 8.5MB). Peak memory consumption was 68.8MB. Max. memory is 8.0GB. [2023-12-16 08:06:08,495 INFO L158 Benchmark]: RCFGBuilder took 25408.70ms. Allocated memory was 359.7MB in the beginning and 864.0MB in the end (delta: 504.4MB). Free memory was 280.8MB in the beginning and 665.6MB in the end (delta: -384.8MB). Peak memory consumption was 216.6MB. Max. memory is 8.0GB. [2023-12-16 08:06:08,495 INFO L158 Benchmark]: TraceAbstraction took 45425.74ms. Allocated memory is still 864.0MB. Free memory was 665.1MB in the beginning and 356.0MB in the end (delta: 309.1MB). Peak memory consumption was 415.0MB. Max. memory is 8.0GB. [2023-12-16 08:06:08,497 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1434.01ms. Allocated memory is still 359.7MB. Free memory was 295.4MB in the beginning and 140.9MB in the end (delta: 154.5MB). Peak memory consumption was 155.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 246.44ms. Allocated memory is still 359.7MB. Free memory was 140.9MB in the beginning and 289.3MB in the end (delta: -148.4MB). Peak memory consumption was 44.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 362.37ms. Allocated memory is still 359.7MB. Free memory was 289.3MB in the beginning and 280.8MB in the end (delta: 8.5MB). Peak memory consumption was 68.8MB. Max. memory is 8.0GB. * RCFGBuilder took 25408.70ms. Allocated memory was 359.7MB in the beginning and 864.0MB in the end (delta: 504.4MB). Free memory was 280.8MB in the beginning and 665.6MB in the end (delta: -384.8MB). Peak memory consumption was 216.6MB. Max. memory is 8.0GB. * TraceAbstraction took 45425.74ms. Allocated memory is still 864.0MB. Free memory was 665.1MB in the beginning and 356.0MB in the end (delta: 309.1MB). Peak memory consumption was 415.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 681). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 885]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 885). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructed, input type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 882 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 45.4s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 36.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16707 SdHoareTripleChecker+Valid, 35.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16707 mSDsluCounter, 29144 SdHoareTripleChecker+Invalid, 29.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8789 mSDsCounter, 673 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2569 IncrementalHoareTripleChecker+Invalid, 3242 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 673 mSolverCounterUnsat, 20355 mSDtfsCounter, 2569 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1006 GetRequests, 985 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14662occurred in iteration=12, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 376 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1019 NumberOfCodeBlocks, 1019 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1006 ConstructedInterpolants, 0 QuantifiedInterpolants, 4581 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3006 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown