/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label58.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 08:23:23,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 08:23:23,667 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 08:23:23,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 08:23:23,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 08:23:23,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 08:23:23,694 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 08:23:23,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 08:23:23,695 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 08:23:23,697 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 08:23:23,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 08:23:23,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 08:23:23,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 08:23:23,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 08:23:23,700 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 08:23:23,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 08:23:23,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 08:23:23,701 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 08:23:23,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 08:23:23,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 08:23:23,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 08:23:23,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 08:23:23,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 08:23:23,702 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 08:23:23,702 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 08:23:23,702 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 08:23:23,702 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 08:23:23,702 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 08:23:23,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 08:23:23,703 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 08:23:23,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 08:23:23,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 08:23:23,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 08:23:23,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 08:23:23,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 08:23:23,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 08:23:23,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 08:23:23,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 08:23:23,704 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 08:23:23,705 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 08:23:23,705 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 08:23:23,705 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 08:23:23,705 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 08:23:23,705 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 08:23:23,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 08:23:23,706 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 08:23:23,706 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 08:23:23,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 08:23:23,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 08:23:23,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 08:23:23,932 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 08:23:23,932 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 08:23:23,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label58.c [2023-12-16 08:23:25,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 08:23:25,263 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 08:23:25,264 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label58.c [2023-12-16 08:23:25,272 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9706cb594/42439aaba38f44bcbbdfebb68d55434a/FLAGb14e5f1af [2023-12-16 08:23:25,282 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9706cb594/42439aaba38f44bcbbdfebb68d55434a [2023-12-16 08:23:25,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 08:23:25,290 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 08:23:25,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 08:23:25,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 08:23:25,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 08:23:25,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196df201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25, skipping insertion in model container [2023-12-16 08:23:25,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 08:23:25,585 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label58.c[17861,17874] [2023-12-16 08:23:25,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 08:23:25,616 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 08:23:25,658 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label58.c[17861,17874] [2023-12-16 08:23:25,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 08:23:25,698 INFO L206 MainTranslator]: Completed translation [2023-12-16 08:23:25,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25 WrapperNode [2023-12-16 08:23:25,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 08:23:25,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 08:23:25,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 08:23:25,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 08:23:25,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,796 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 656 [2023-12-16 08:23:25,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 08:23:25,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 08:23:25,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 08:23:25,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 08:23:25,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,824 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,848 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 08:23:25,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 08:23:25,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 08:23:25,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 08:23:25,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 08:23:25,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25" (1/1) ... [2023-12-16 08:23:25,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 08:23:25,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 08:23:25,953 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 08:23:26,034 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 08:23:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 08:23:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 08:23:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 08:23:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 08:23:26,127 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 08:23:26,130 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 08:23:26,983 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 08:23:27,030 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 08:23:27,030 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 08:23:27,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:23:27 BoogieIcfgContainer [2023-12-16 08:23:27,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 08:23:27,032 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 08:23:27,032 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 08:23:27,034 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 08:23:27,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:23:25" (1/3) ... [2023-12-16 08:23:27,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569480f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:23:27, skipping insertion in model container [2023-12-16 08:23:27,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:23:25" (2/3) ... [2023-12-16 08:23:27,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@569480f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:23:27, skipping insertion in model container [2023-12-16 08:23:27,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:23:27" (3/3) ... [2023-12-16 08:23:27,036 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label58.c [2023-12-16 08:23:27,048 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 08:23:27,049 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 08:23:27,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 08:23:27,085 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;@26f92222, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 08:23:27,085 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 08:23:27,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 134 states have (on average 1.9776119402985075) internal successors, (265), 135 states have internal predecessors, (265), 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 08:23:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-16 08:23:27,095 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:27,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:27,096 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:27,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:27,102 INFO L85 PathProgramCache]: Analyzing trace with hash -568770117, now seen corresponding path program 1 times [2023-12-16 08:23:27,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:27,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050284229] [2023-12-16 08:23:27,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:27,114 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 08:23:27,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:27,116 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 08:23:27,122 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 08:23:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:27,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 08:23:27,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:27,275 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 08:23:27,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:27,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:27,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050284229] [2023-12-16 08:23:27,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2050284229] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:27,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:27,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 08:23:27,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506996229] [2023-12-16 08:23:27,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:27,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 08:23:27,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:27,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 08:23:27,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 08:23:27,319 INFO L87 Difference]: Start difference. First operand has 136 states, 134 states have (on average 1.9776119402985075) internal successors, (265), 135 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 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 08:23:27,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:27,360 INFO L93 Difference]: Finished difference Result 271 states and 529 transitions. [2023-12-16 08:23:27,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 08:23:27,362 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 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 98 [2023-12-16 08:23:27,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:27,373 INFO L225 Difference]: With dead ends: 271 [2023-12-16 08:23:27,373 INFO L226 Difference]: Without dead ends: 134 [2023-12-16 08:23:27,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 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 08:23:27,379 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:27,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 200 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 08:23:27,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-12-16 08:23:27,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2023-12-16 08:23:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.5037593984962405) internal successors, (200), 133 states have internal predecessors, (200), 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 08:23:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 200 transitions. [2023-12-16 08:23:27,439 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 200 transitions. Word has length 98 [2023-12-16 08:23:27,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:27,439 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 200 transitions. [2023-12-16 08:23:27,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 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 08:23:27,440 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 200 transitions. [2023-12-16 08:23:27,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-16 08:23:27,441 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:27,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:27,449 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 08:23:27,649 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 08:23:27,650 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:27,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:27,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1604128994, now seen corresponding path program 1 times [2023-12-16 08:23:27,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:27,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086726320] [2023-12-16 08:23:27,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:27,651 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 08:23:27,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:27,653 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 08:23:27,660 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 08:23:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:27,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-16 08:23:27,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:32,131 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 08:23:32,132 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:32,132 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:32,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086726320] [2023-12-16 08:23:32,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086726320] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:32,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:32,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 08:23:32,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992685144] [2023-12-16 08:23:32,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:32,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 08:23:32,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:32,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 08:23:32,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-12-16 08:23:32,134 INFO L87 Difference]: Start difference. First operand 134 states and 200 transitions. Second operand has 10 states, 10 states have (on average 9.8) internal successors, (98), 9 states have internal predecessors, (98), 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 08:23:33,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:33,427 INFO L93 Difference]: Finished difference Result 587 states and 909 transitions. [2023-12-16 08:23:33,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 08:23:33,428 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 9 states have internal predecessors, (98), 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 98 [2023-12-16 08:23:33,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:33,430 INFO L225 Difference]: With dead ends: 587 [2023-12-16 08:23:33,430 INFO L226 Difference]: Without dead ends: 323 [2023-12-16 08:23:33,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-12-16 08:23:33,431 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 243 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:33,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 94 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 08:23:33,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2023-12-16 08:23:33,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2023-12-16 08:23:33,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 322 states have (on average 1.2981366459627328) internal successors, (418), 322 states have internal predecessors, (418), 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 08:23:33,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 418 transitions. [2023-12-16 08:23:33,443 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 418 transitions. Word has length 98 [2023-12-16 08:23:33,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:33,444 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 418 transitions. [2023-12-16 08:23:33,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 9 states have internal predecessors, (98), 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 08:23:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 418 transitions. [2023-12-16 08:23:33,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-16 08:23:33,445 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:33,445 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:33,448 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 08:23:33,647 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 08:23:33,650 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:33,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:33,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1766990362, now seen corresponding path program 1 times [2023-12-16 08:23:33,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:33,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287689237] [2023-12-16 08:23:33,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:33,653 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 08:23:33,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:33,654 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 08:23:33,682 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 08:23:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:33,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-16 08:23:33,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:23:36,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:36,437 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:36,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1287689237] [2023-12-16 08:23:36,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1287689237] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:36,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:36,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 08:23:36,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18692238] [2023-12-16 08:23:36,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:36,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 08:23:36,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:36,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 08:23:36,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-12-16 08:23:36,449 INFO L87 Difference]: Start difference. First operand 323 states and 418 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 9 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:23:37,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:37,440 INFO L93 Difference]: Finished difference Result 787 states and 1100 transitions. [2023-12-16 08:23:37,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 08:23:37,440 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 9 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2023-12-16 08:23:37,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:37,442 INFO L225 Difference]: With dead ends: 787 [2023-12-16 08:23:37,442 INFO L226 Difference]: Without dead ends: 523 [2023-12-16 08:23:37,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 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 08:23:37,443 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 161 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:37,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 152 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 08:23:37,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2023-12-16 08:23:37,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 519. [2023-12-16 08:23:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 518 states have (on average 1.2895752895752897) internal successors, (668), 518 states have internal predecessors, (668), 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 08:23:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 668 transitions. [2023-12-16 08:23:37,463 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 668 transitions. Word has length 102 [2023-12-16 08:23:37,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:37,463 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 668 transitions. [2023-12-16 08:23:37,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 9 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:23:37,464 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 668 transitions. [2023-12-16 08:23:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-16 08:23:37,490 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:37,490 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:37,496 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 08:23:37,690 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 08:23:37,690 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:37,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:37,691 INFO L85 PathProgramCache]: Analyzing trace with hash 16292203, now seen corresponding path program 1 times [2023-12-16 08:23:37,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:37,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87661251] [2023-12-16 08:23:37,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:37,692 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 08:23:37,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:37,699 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 08:23:37,714 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 08:23:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:37,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 08:23:37,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:23:39,126 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:39,126 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:39,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87661251] [2023-12-16 08:23:39,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87661251] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:39,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:39,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:23:39,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634123003] [2023-12-16 08:23:39,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:39,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:23:39,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:39,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:23:39,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:23:39,128 INFO L87 Difference]: Start difference. First operand 519 states and 668 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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 08:23:39,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:39,494 INFO L93 Difference]: Finished difference Result 1074 states and 1433 transitions. [2023-12-16 08:23:39,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:23:39,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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 105 [2023-12-16 08:23:39,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:39,496 INFO L225 Difference]: With dead ends: 1074 [2023-12-16 08:23:39,496 INFO L226 Difference]: Without dead ends: 519 [2023-12-16 08:23:39,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 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 08:23:39,497 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:39,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 08:23:39,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2023-12-16 08:23:39,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2023-12-16 08:23:39,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 518 states have (on average 1.2027027027027026) internal successors, (623), 518 states have internal predecessors, (623), 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 08:23:39,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 623 transitions. [2023-12-16 08:23:39,515 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 623 transitions. Word has length 105 [2023-12-16 08:23:39,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:39,515 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 623 transitions. [2023-12-16 08:23:39,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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 08:23:39,515 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 623 transitions. [2023-12-16 08:23:39,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-16 08:23:39,516 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:39,516 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:23:39,518 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 08:23:39,728 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 08:23:39,729 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:39,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:39,729 INFO L85 PathProgramCache]: Analyzing trace with hash -274365354, now seen corresponding path program 1 times [2023-12-16 08:23:39,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:39,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755265826] [2023-12-16 08:23:39,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:39,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:23:39,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:39,731 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 08:23:39,751 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 08:23:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:39,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-16 08:23:39,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:41,227 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:23:41,227 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:41,227 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:41,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755265826] [2023-12-16 08:23:41,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755265826] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:41,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:41,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 08:23:41,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671353541] [2023-12-16 08:23:41,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:41,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 08:23:41,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:41,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 08:23:41,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-12-16 08:23:41,228 INFO L87 Difference]: Start difference. First operand 519 states and 623 transitions. Second operand has 10 states, 10 states have (on average 13.5) internal successors, (135), 9 states have internal predecessors, (135), 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 08:23:41,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:41,903 INFO L93 Difference]: Finished difference Result 1034 states and 1259 transitions. [2023-12-16 08:23:41,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 08:23:41,903 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.5) internal successors, (135), 9 states have internal predecessors, (135), 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 135 [2023-12-16 08:23:41,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:41,905 INFO L225 Difference]: With dead ends: 1034 [2023-12-16 08:23:41,905 INFO L226 Difference]: Without dead ends: 557 [2023-12-16 08:23:41,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 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 08:23:41,906 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 123 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:41,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 41 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 08:23:41,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2023-12-16 08:23:41,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 554. [2023-12-16 08:23:41,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 553 states have (on average 1.1952983725135624) internal successors, (661), 553 states have internal predecessors, (661), 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 08:23:41,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 661 transitions. [2023-12-16 08:23:41,920 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 661 transitions. Word has length 135 [2023-12-16 08:23:41,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:41,937 INFO L495 AbstractCegarLoop]: Abstraction has 554 states and 661 transitions. [2023-12-16 08:23:41,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.5) internal successors, (135), 9 states have internal predecessors, (135), 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 08:23:41,937 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 661 transitions. [2023-12-16 08:23:41,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-16 08:23:41,940 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:41,940 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:41,945 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 08:23:42,140 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 08:23:42,141 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:42,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:42,141 INFO L85 PathProgramCache]: Analyzing trace with hash -2041329449, now seen corresponding path program 1 times [2023-12-16 08:23:42,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:42,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084073168] [2023-12-16 08:23:42,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:42,142 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 08:23:42,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:42,143 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 08:23:42,144 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 08:23:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:42,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-16 08:23:42,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:23:44,241 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:44,241 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:44,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084073168] [2023-12-16 08:23:44,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2084073168] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:44,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:44,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 08:23:44,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740608974] [2023-12-16 08:23:44,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:44,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 08:23:44,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:44,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 08:23:44,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2023-12-16 08:23:44,242 INFO L87 Difference]: Start difference. First operand 554 states and 661 transitions. Second operand has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 10 states have internal predecessors, (148), 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 08:23:45,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:45,185 INFO L93 Difference]: Finished difference Result 1247 states and 1513 transitions. [2023-12-16 08:23:45,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 08:23:45,199 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 10 states have internal predecessors, (148), 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 148 [2023-12-16 08:23:45,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:45,201 INFO L225 Difference]: With dead ends: 1247 [2023-12-16 08:23:45,201 INFO L226 Difference]: Without dead ends: 752 [2023-12-16 08:23:45,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2023-12-16 08:23:45,202 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 251 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:45,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 47 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 08:23:45,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2023-12-16 08:23:45,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 749. [2023-12-16 08:23:45,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 748 states have (on average 1.161764705882353) internal successors, (869), 748 states have internal predecessors, (869), 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 08:23:45,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 869 transitions. [2023-12-16 08:23:45,226 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 869 transitions. Word has length 148 [2023-12-16 08:23:45,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:45,227 INFO L495 AbstractCegarLoop]: Abstraction has 749 states and 869 transitions. [2023-12-16 08:23:45,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 10 states have internal predecessors, (148), 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 08:23:45,227 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 869 transitions. [2023-12-16 08:23:45,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-16 08:23:45,228 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:45,228 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:45,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-16 08:23:45,428 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 08:23:45,429 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:45,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:45,429 INFO L85 PathProgramCache]: Analyzing trace with hash 566793645, now seen corresponding path program 1 times [2023-12-16 08:23:45,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:45,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347124278] [2023-12-16 08:23:45,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:45,430 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 08:23:45,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:45,431 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 08:23:45,452 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 08:23:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:45,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-16 08:23:45,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:47,104 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 08:23:47,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:47,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:47,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347124278] [2023-12-16 08:23:47,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347124278] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:47,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:47,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 08:23:47,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944401598] [2023-12-16 08:23:47,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:47,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 08:23:47,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:47,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 08:23:47,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-12-16 08:23:47,123 INFO L87 Difference]: Start difference. First operand 749 states and 869 transitions. Second operand has 10 states, 10 states have (on average 15.7) internal successors, (157), 9 states have internal predecessors, (157), 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 08:23:47,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:47,667 INFO L93 Difference]: Finished difference Result 1508 states and 1772 transitions. [2023-12-16 08:23:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 08:23:47,667 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.7) internal successors, (157), 9 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2023-12-16 08:23:47,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:47,669 INFO L225 Difference]: With dead ends: 1508 [2023-12-16 08:23:47,669 INFO L226 Difference]: Without dead ends: 798 [2023-12-16 08:23:47,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-12-16 08:23:47,671 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 98 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:47,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 41 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 08:23:47,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2023-12-16 08:23:47,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 796. [2023-12-16 08:23:47,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 795 states have (on average 1.1522012578616352) internal successors, (916), 795 states have internal predecessors, (916), 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 08:23:47,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 916 transitions. [2023-12-16 08:23:47,700 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 916 transitions. Word has length 157 [2023-12-16 08:23:47,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:47,700 INFO L495 AbstractCegarLoop]: Abstraction has 796 states and 916 transitions. [2023-12-16 08:23:47,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.7) internal successors, (157), 9 states have internal predecessors, (157), 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 08:23:47,700 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 916 transitions. [2023-12-16 08:23:47,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-16 08:23:47,701 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:47,701 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:47,706 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 08:23:47,902 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 08:23:47,902 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:47,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:47,902 INFO L85 PathProgramCache]: Analyzing trace with hash 286270602, now seen corresponding path program 1 times [2023-12-16 08:23:47,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:47,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455153654] [2023-12-16 08:23:47,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:47,903 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 08:23:47,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:47,905 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 08:23:47,906 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 08:23:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:47,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-16 08:23:47,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 08:23:49,180 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:49,180 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:49,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455153654] [2023-12-16 08:23:49,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455153654] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:49,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:49,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 08:23:49,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890012120] [2023-12-16 08:23:49,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:49,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 08:23:49,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:49,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 08:23:49,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-12-16 08:23:49,197 INFO L87 Difference]: Start difference. First operand 796 states and 916 transitions. Second operand has 10 states, 10 states have (on average 13.7) internal successors, (137), 9 states have internal predecessors, (137), 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 08:23:49,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:49,613 INFO L93 Difference]: Finished difference Result 1593 states and 1853 transitions. [2023-12-16 08:23:49,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 08:23:49,614 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 9 states have internal predecessors, (137), 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 164 [2023-12-16 08:23:49,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:49,629 INFO L225 Difference]: With dead ends: 1593 [2023-12-16 08:23:49,629 INFO L226 Difference]: Without dead ends: 856 [2023-12-16 08:23:49,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-12-16 08:23:49,632 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 121 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:49,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 37 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 08:23:49,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2023-12-16 08:23:49,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 854. [2023-12-16 08:23:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 853 states have (on average 1.145369284876905) internal successors, (977), 853 states have internal predecessors, (977), 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 08:23:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 977 transitions. [2023-12-16 08:23:49,656 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 977 transitions. Word has length 164 [2023-12-16 08:23:49,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:49,656 INFO L495 AbstractCegarLoop]: Abstraction has 854 states and 977 transitions. [2023-12-16 08:23:49,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 9 states have internal predecessors, (137), 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 08:23:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 977 transitions. [2023-12-16 08:23:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-16 08:23:49,658 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:49,658 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:49,674 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 08:23:49,858 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 08:23:49,859 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:49,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:49,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1952569884, now seen corresponding path program 1 times [2023-12-16 08:23:49,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:49,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738225519] [2023-12-16 08:23:49,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:49,860 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 08:23:49,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:49,861 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 08:23:49,862 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 08:23:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:49,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-16 08:23:49,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:51,649 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-16 08:23:51,649 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:51,649 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:51,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738225519] [2023-12-16 08:23:51,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738225519] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:51,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:51,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 08:23:51,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828387453] [2023-12-16 08:23:51,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:51,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 08:23:51,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:51,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 08:23:51,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-12-16 08:23:51,651 INFO L87 Difference]: Start difference. First operand 854 states and 977 transitions. Second operand has 10 states, 10 states have (on average 13.7) internal successors, (137), 9 states have internal predecessors, (137), 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 08:23:52,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:52,368 INFO L93 Difference]: Finished difference Result 2232 states and 2547 transitions. [2023-12-16 08:23:52,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 08:23:52,368 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 9 states have internal predecessors, (137), 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 167 [2023-12-16 08:23:52,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:52,372 INFO L225 Difference]: With dead ends: 2232 [2023-12-16 08:23:52,372 INFO L226 Difference]: Without dead ends: 1420 [2023-12-16 08:23:52,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 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 08:23:52,373 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 114 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:52,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 45 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 08:23:52,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2023-12-16 08:23:52,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1385. [2023-12-16 08:23:52,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 1384 states have (on average 1.1257225433526012) internal successors, (1558), 1384 states have internal predecessors, (1558), 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 08:23:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1558 transitions. [2023-12-16 08:23:52,391 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1558 transitions. Word has length 167 [2023-12-16 08:23:52,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:52,391 INFO L495 AbstractCegarLoop]: Abstraction has 1385 states and 1558 transitions. [2023-12-16 08:23:52,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 9 states have internal predecessors, (137), 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 08:23:52,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1558 transitions. [2023-12-16 08:23:52,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-12-16 08:23:52,393 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:52,393 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:23:52,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-12-16 08:23:52,595 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 08:23:52,596 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:52,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:52,596 INFO L85 PathProgramCache]: Analyzing trace with hash -221961698, now seen corresponding path program 1 times [2023-12-16 08:23:52,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:52,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173425601] [2023-12-16 08:23:52,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:52,597 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 08:23:52,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:52,603 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 08:23:52,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-16 08:23:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:52,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 08:23:52,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-16 08:23:52,771 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:52,771 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:52,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173425601] [2023-12-16 08:23:52,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173425601] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:52,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:52,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:23:52,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984710820] [2023-12-16 08:23:52,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:52,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 08:23:52,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:52,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 08:23:52,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:23:52,772 INFO L87 Difference]: Start difference. First operand 1385 states and 1558 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 3 states have internal predecessors, (155), 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 08:23:53,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:53,308 INFO L93 Difference]: Finished difference Result 3104 states and 3552 transitions. [2023-12-16 08:23:53,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 08:23:53,308 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 3 states have internal predecessors, (155), 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 178 [2023-12-16 08:23:53,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:53,312 INFO L225 Difference]: With dead ends: 3104 [2023-12-16 08:23:53,312 INFO L226 Difference]: Without dead ends: 1778 [2023-12-16 08:23:53,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:23:53,314 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 303 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:53,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 35 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 08:23:53,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2023-12-16 08:23:53,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1778. [2023-12-16 08:23:53,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1778 states, 1777 states have (on average 1.1029825548677545) internal successors, (1960), 1777 states have internal predecessors, (1960), 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 08:23:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 1960 transitions. [2023-12-16 08:23:53,332 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 1960 transitions. Word has length 178 [2023-12-16 08:23:53,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:53,332 INFO L495 AbstractCegarLoop]: Abstraction has 1778 states and 1960 transitions. [2023-12-16 08:23:53,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 3 states have internal predecessors, (155), 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 08:23:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 1960 transitions. [2023-12-16 08:23:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-16 08:23:53,335 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:53,335 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:23:53,344 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 08:23:53,544 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 08:23:53,545 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:53,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:53,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1474109548, now seen corresponding path program 1 times [2023-12-16 08:23:53,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:53,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725075723] [2023-12-16 08:23:53,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:53,546 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 08:23:53,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:53,561 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 08:23:53,584 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 08:23:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:53,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 08:23:53,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-16 08:23:53,673 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:53,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:53,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725075723] [2023-12-16 08:23:53,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725075723] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:53,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:53,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 08:23:53,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895685341] [2023-12-16 08:23:53,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:53,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 08:23:53,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:53,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 08:23:53,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:23:53,675 INFO L87 Difference]: Start difference. First operand 1778 states and 1960 transitions. Second operand has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 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 08:23:54,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:54,180 INFO L93 Difference]: Finished difference Result 3925 states and 4376 transitions. [2023-12-16 08:23:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 08:23:54,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 196 [2023-12-16 08:23:54,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:54,185 INFO L225 Difference]: With dead ends: 3925 [2023-12-16 08:23:54,185 INFO L226 Difference]: Without dead ends: 2206 [2023-12-16 08:23:54,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:23:54,187 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 338 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:54,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 33 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 08:23:54,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2023-12-16 08:23:54,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 2171. [2023-12-16 08:23:54,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2171 states, 2170 states have (on average 1.1064516129032258) internal successors, (2401), 2170 states have internal predecessors, (2401), 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 08:23:54,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 2401 transitions. [2023-12-16 08:23:54,209 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 2401 transitions. Word has length 196 [2023-12-16 08:23:54,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:54,210 INFO L495 AbstractCegarLoop]: Abstraction has 2171 states and 2401 transitions. [2023-12-16 08:23:54,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.5) internal successors, (158), 4 states have internal predecessors, (158), 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 08:23:54,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2401 transitions. [2023-12-16 08:23:54,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-12-16 08:23:54,213 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:54,213 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:54,226 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 08:23:54,416 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 08:23:54,416 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:54,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:54,416 INFO L85 PathProgramCache]: Analyzing trace with hash 617572304, now seen corresponding path program 1 times [2023-12-16 08:23:54,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:54,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232297746] [2023-12-16 08:23:54,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:54,417 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 08:23:54,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:54,418 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 08:23:54,422 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 08:23:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:54,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 08:23:54,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:54,562 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-16 08:23:54,562 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:54,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:54,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232297746] [2023-12-16 08:23:54,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232297746] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:54,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:54,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 08:23:54,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645151641] [2023-12-16 08:23:54,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:54,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 08:23:54,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:54,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 08:23:54,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:23:54,563 INFO L87 Difference]: Start difference. First operand 2171 states and 2401 transitions. Second operand has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 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 08:23:55,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:55,075 INFO L93 Difference]: Finished difference Result 5200 states and 5794 transitions. [2023-12-16 08:23:55,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 08:23:55,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 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 220 [2023-12-16 08:23:55,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:55,082 INFO L225 Difference]: With dead ends: 5200 [2023-12-16 08:23:55,082 INFO L226 Difference]: Without dead ends: 3088 [2023-12-16 08:23:55,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:23:55,085 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 254 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:55,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 34 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 08:23:55,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3088 states. [2023-12-16 08:23:55,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3088 to 3088. [2023-12-16 08:23:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3088 states, 3087 states have (on average 1.0903790087463556) internal successors, (3366), 3087 states have internal predecessors, (3366), 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 08:23:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 3088 states and 3366 transitions. [2023-12-16 08:23:55,119 INFO L78 Accepts]: Start accepts. Automaton has 3088 states and 3366 transitions. Word has length 220 [2023-12-16 08:23:55,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:55,119 INFO L495 AbstractCegarLoop]: Abstraction has 3088 states and 3366 transitions. [2023-12-16 08:23:55,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 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 08:23:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 3366 transitions. [2023-12-16 08:23:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-12-16 08:23:55,124 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:55,136 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:55,141 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 08:23:55,338 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 08:23:55,339 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:55,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:55,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1850638481, now seen corresponding path program 1 times [2023-12-16 08:23:55,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:55,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632532885] [2023-12-16 08:23:55,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:55,340 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 08:23:55,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:55,341 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 08:23:55,348 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 08:23:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:55,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:23:55,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2023-12-16 08:23:55,583 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:55,583 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:55,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [632532885] [2023-12-16 08:23:55,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [632532885] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:55,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:55,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:23:55,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896488721] [2023-12-16 08:23:55,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:55,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:23:55,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:55,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:23:55,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:23:55,585 INFO L87 Difference]: Start difference. First operand 3088 states and 3366 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 08:23:55,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:55,918 INFO L93 Difference]: Finished difference Result 6248 states and 6826 transitions. [2023-12-16 08:23:55,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:23:55,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 249 [2023-12-16 08:23:55,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:55,925 INFO L225 Difference]: With dead ends: 6248 [2023-12-16 08:23:55,925 INFO L226 Difference]: Without dead ends: 3219 [2023-12-16 08:23:55,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 247 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 08:23:55,941 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 90 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:55,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 92 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 08:23:55,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2023-12-16 08:23:55,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3219. [2023-12-16 08:23:55,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3219 states, 3218 states have (on average 1.0829707893101306) internal successors, (3485), 3218 states have internal predecessors, (3485), 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 08:23:55,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 3219 states and 3485 transitions. [2023-12-16 08:23:55,982 INFO L78 Accepts]: Start accepts. Automaton has 3219 states and 3485 transitions. Word has length 249 [2023-12-16 08:23:55,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:55,982 INFO L495 AbstractCegarLoop]: Abstraction has 3219 states and 3485 transitions. [2023-12-16 08:23:55,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 08:23:55,982 INFO L276 IsEmpty]: Start isEmpty. Operand 3219 states and 3485 transitions. [2023-12-16 08:23:55,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-12-16 08:23:55,987 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:55,987 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:55,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-16 08:23:56,189 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 08:23:56,190 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:56,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:56,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1159137093, now seen corresponding path program 1 times [2023-12-16 08:23:56,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:56,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992193812] [2023-12-16 08:23:56,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:56,191 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 08:23:56,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:56,193 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:23:56,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-16 08:23:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:56,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 08:23:56,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:56,418 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-12-16 08:23:56,418 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:56,418 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:56,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992193812] [2023-12-16 08:23:56,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [992193812] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:56,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:56,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:23:56,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108935280] [2023-12-16 08:23:56,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:56,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 08:23:56,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:56,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 08:23:56,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:23:56,420 INFO L87 Difference]: Start difference. First operand 3219 states and 3485 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 states have internal predecessors, (168), 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 08:23:56,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:56,905 INFO L93 Difference]: Finished difference Result 7689 states and 8361 transitions. [2023-12-16 08:23:56,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 08:23:56,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 states have internal predecessors, (168), 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 259 [2023-12-16 08:23:56,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:56,914 INFO L225 Difference]: With dead ends: 7689 [2023-12-16 08:23:56,914 INFO L226 Difference]: Without dead ends: 4529 [2023-12-16 08:23:56,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 08:23:56,917 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 303 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:56,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 32 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 08:23:56,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4529 states. [2023-12-16 08:23:56,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4529 to 4267. [2023-12-16 08:23:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4267 states, 4266 states have (on average 1.0731364275668074) internal successors, (4578), 4266 states have internal predecessors, (4578), 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 08:23:56,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 4267 states and 4578 transitions. [2023-12-16 08:23:56,960 INFO L78 Accepts]: Start accepts. Automaton has 4267 states and 4578 transitions. Word has length 259 [2023-12-16 08:23:56,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:56,960 INFO L495 AbstractCegarLoop]: Abstraction has 4267 states and 4578 transitions. [2023-12-16 08:23:56,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 3 states have internal predecessors, (168), 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 08:23:56,960 INFO L276 IsEmpty]: Start isEmpty. Operand 4267 states and 4578 transitions. [2023-12-16 08:23:56,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-12-16 08:23:56,966 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:56,966 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:56,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-16 08:23:57,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:23:57,168 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:57,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:57,169 INFO L85 PathProgramCache]: Analyzing trace with hash -233111753, now seen corresponding path program 1 times [2023-12-16 08:23:57,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:57,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094395737] [2023-12-16 08:23:57,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:57,170 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 08:23:57,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:57,171 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:23:57,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-16 08:23:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:57,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:23:57,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:57,348 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-16 08:23:57,348 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:57,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:57,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094395737] [2023-12-16 08:23:57,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094395737] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:57,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:57,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:23:57,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552309907] [2023-12-16 08:23:57,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:57,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:23:57,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:57,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:23:57,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:23:57,349 INFO L87 Difference]: Start difference. First operand 4267 states and 4578 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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 08:23:57,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:57,711 INFO L93 Difference]: Finished difference Result 9130 states and 9782 transitions. [2023-12-16 08:23:57,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:23:57,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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 282 [2023-12-16 08:23:57,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:57,719 INFO L225 Difference]: With dead ends: 9130 [2023-12-16 08:23:57,720 INFO L226 Difference]: Without dead ends: 4267 [2023-12-16 08:23:57,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 280 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 08:23:57,724 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 92 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:57,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 170 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 08:23:57,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4267 states. [2023-12-16 08:23:57,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4267 to 4267. [2023-12-16 08:23:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4267 states, 4266 states have (on average 1.06868260665729) internal successors, (4559), 4266 states have internal predecessors, (4559), 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 08:23:57,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 4267 states and 4559 transitions. [2023-12-16 08:23:57,808 INFO L78 Accepts]: Start accepts. Automaton has 4267 states and 4559 transitions. Word has length 282 [2023-12-16 08:23:57,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:57,824 INFO L495 AbstractCegarLoop]: Abstraction has 4267 states and 4559 transitions. [2023-12-16 08:23:57,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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 08:23:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand 4267 states and 4559 transitions. [2023-12-16 08:23:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-12-16 08:23:57,830 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 08:23:57,831 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:57,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2023-12-16 08:23:58,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:23:58,033 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 08:23:58,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 08:23:58,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1333276683, now seen corresponding path program 1 times [2023-12-16 08:23:58,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 08:23:58,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130224680] [2023-12-16 08:23:58,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 08:23:58,035 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 08:23:58,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 08:23:58,037 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 08:23:58,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-16 08:23:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 08:23:58,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 08:23:58,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 08:23:58,244 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2023-12-16 08:23:58,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 08:23:58,244 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 08:23:58,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130224680] [2023-12-16 08:23:58,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [130224680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 08:23:58,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 08:23:58,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 08:23:58,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576857502] [2023-12-16 08:23:58,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 08:23:58,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 08:23:58,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 08:23:58,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 08:23:58,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 08:23:58,246 INFO L87 Difference]: Start difference. First operand 4267 states and 4559 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 08:23:58,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 08:23:58,577 INFO L93 Difference]: Finished difference Result 4922 states and 5257 transitions. [2023-12-16 08:23:58,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 08:23:58,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 282 [2023-12-16 08:23:58,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 08:23:58,578 INFO L225 Difference]: With dead ends: 4922 [2023-12-16 08:23:58,578 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 08:23:58,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 280 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 08:23:58,580 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 55 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 08:23:58,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 25 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 08:23:58,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 08:23:58,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 08:23:58,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 08:23:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 08:23:58,581 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 282 [2023-12-16 08:23:58,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 08:23:58,581 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 08:23:58,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 08:23:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 08:23:58,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 08:23:58,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 08:23:58,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2023-12-16 08:23:58,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 08:23:58,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 08:23:59,148 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2023-12-16 08:23:59,148 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2023-12-16 08:23:59,148 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2023-12-16 08:23:59,148 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,148 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,148 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,148 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,148 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2023-12-16 08:23:59,149 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,150 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2023-12-16 08:23:59,151 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2023-12-16 08:23:59,152 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2023-12-16 08:23:59,152 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2023-12-16 08:23:59,152 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 08:23:59,152 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2023-12-16 08:23:59,152 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 604) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2023-12-16 08:23:59,154 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse2 (= ~a7~0 (_ bv0 32))) (.cse4 (= (_ bv5 32) ~a16~0)) (.cse1 (= ~a8~0 (_ bv15 32))) (.cse0 (= (_ bv1 32) ~a20~0)) (.cse3 (= (_ bv1 32) ~a17~0)) (.cse7 (= (_ bv4 32) ~a16~0)) (.cse8 (= (_ bv0 32) ~a20~0)) (.cse5 (= (_ bv1 32) ~a21~0)) (.cse6 (= ~a8~0 (_ bv13 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5) (and .cse0 .cse2 .cse3 .cse6) (and .cse0 .cse7 .cse2 .cse5) (and .cse8 .cse4 .cse5) (and .cse0 .cse4 .cse5) (and .cse1 .cse8 .cse5) (and .cse0 (= ~a7~0 (_ bv1 32)) .cse7 .cse3 .cse6) (and .cse7 .cse8 .cse5) (and (or (not (= (_ bv8 32) ~a12~0)) (not .cse5)) .cse6))) [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,155 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 483) no Hoare annotation was computed. [2023-12-16 08:23:59,156 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2023-12-16 08:23:59,156 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2023-12-16 08:23:59,156 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,156 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,156 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,156 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,156 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2023-12-16 08:23:59,156 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2023-12-16 08:23:59,156 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2023-12-16 08:23:59,156 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2023-12-16 08:23:59,156 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2023-12-16 08:23:59,158 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 08:23:59,159 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 08:23:59,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:23:59 BoogieIcfgContainer [2023-12-16 08:23:59,182 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 08:23:59,183 INFO L158 Benchmark]: Toolchain (without parser) took 33893.27ms. Allocated memory was 326.1MB in the beginning and 848.3MB in the end (delta: 522.2MB). Free memory was 271.8MB in the beginning and 522.5MB in the end (delta: -250.8MB). Peak memory consumption was 272.4MB. Max. memory is 8.0GB. [2023-12-16 08:23:59,183 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 220.2MB. Free memory is still 170.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 08:23:59,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.55ms. Allocated memory is still 326.1MB. Free memory was 271.8MB in the beginning and 241.8MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2023-12-16 08:23:59,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.34ms. Allocated memory is still 326.1MB. Free memory was 241.8MB in the beginning and 236.1MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 08:23:59,185 INFO L158 Benchmark]: Boogie Preprocessor took 94.56ms. Allocated memory is still 326.1MB. Free memory was 236.1MB in the beginning and 230.3MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 08:23:59,185 INFO L158 Benchmark]: RCFGBuilder took 1136.92ms. Allocated memory is still 326.1MB. Free memory was 230.3MB in the beginning and 202.2MB in the end (delta: 28.1MB). Peak memory consumption was 45.4MB. Max. memory is 8.0GB. [2023-12-16 08:23:59,185 INFO L158 Benchmark]: TraceAbstraction took 32150.68ms. Allocated memory was 326.1MB in the beginning and 848.3MB in the end (delta: 522.2MB). Free memory was 201.2MB in the beginning and 522.5MB in the end (delta: -321.3MB). Peak memory consumption was 200.9MB. Max. memory is 8.0GB. [2023-12-16 08:23:59,188 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 220.2MB. Free memory is still 170.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 408.55ms. Allocated memory is still 326.1MB. Free memory was 271.8MB in the beginning and 241.8MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 97.34ms. Allocated memory is still 326.1MB. Free memory was 241.8MB in the beginning and 236.1MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 94.56ms. Allocated memory is still 326.1MB. Free memory was 236.1MB in the beginning and 230.3MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1136.92ms. Allocated memory is still 326.1MB. Free memory was 230.3MB in the beginning and 202.2MB in the end (delta: 28.1MB). Peak memory consumption was 45.4MB. Max. memory is 8.0GB. * TraceAbstraction took 32150.68ms. Allocated memory was 326.1MB in the beginning and 848.3MB in the end (delta: 522.2MB). Free memory was 201.2MB in the beginning and 522.5MB in the end (delta: -321.3MB). Peak memory consumption was 200.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 483]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.1s, OverallIterations: 16, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2546 SdHoareTripleChecker+Valid, 8.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2546 mSDsluCounter, 1255 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 174 mSDsCounter, 787 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9974 IncrementalHoareTripleChecker+Invalid, 10761 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 787 mSolverCounterUnsat, 1081 mSDtfsCounter, 9974 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2826 GetRequests, 2755 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4267occurred in iteration=14, InterpolantAutomatonStates: 103, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 346 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 45 NumberOfFragments, 122 HoareAnnotationTreeSize, 1 FormulaSimplifications, 75 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FormulaSimplificationsInter, 692 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 17.1s InterpolantComputationTime, 2840 NumberOfCodeBlocks, 2840 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2824 ConstructedInterpolants, 0 QuantifiedInterpolants, 24442 SizeOfPredicates, 20 NumberOfNonLiveVariables, 3983 ConjunctsInSsa, 139 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 2489/2489 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((((((((1 == a20) && (a8 == 15)) && (a7 == 0)) && (1 == a17)) && (5 == a16)) || (((1 == a20) && (a8 == 15)) && (1 == a21))) || ((((1 == a20) && (a7 == 0)) && (1 == a17)) && (a8 == 13))) || ((((1 == a20) && (4 == a16)) && (a7 == 0)) && (1 == a21))) || (((0 == a20) && (5 == a16)) && (1 == a21))) || (((1 == a20) && (5 == a16)) && (1 == a21))) || (((a8 == 15) && (0 == a20)) && (1 == a21))) || (((((1 == a20) && (a7 == 1)) && (4 == a16)) && (1 == a17)) && (a8 == 13))) || (((4 == a16) && (0 == a20)) && (1 == a21))) || ((!((8 == a12)) || !((1 == a21))) && (a8 == 13))) RESULT: Ultimate proved your program to be correct! [2023-12-16 08:23:59,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...