/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/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 18:17:20,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 18:17:20,253 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 18:17:20,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 18:17:20,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 18:17:20,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 18:17:20,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 18:17:20,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 18:17:20,274 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 18:17:20,274 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 18:17:20,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 18:17:20,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 18:17:20,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 18:17:20,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 18:17:20,276 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 18:17:20,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 18:17:20,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 18:17:20,276 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 18:17:20,277 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 18:17:20,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 18:17:20,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 18:17:20,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 18:17:20,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 18:17:20,280 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 18:17:20,280 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 18:17:20,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 18:17:20,280 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 18:17:20,281 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 18:17:20,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 18:17:20,281 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 18:17:20,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 18:17:20,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 18:17:20,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 18:17:20,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 18:17:20,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:17:20,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 18:17:20,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 18:17:20,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 18:17:20,283 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 18:17:20,283 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 18:17:20,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 18:17:20,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 18:17:20,287 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 18:17:20,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 18:17:20,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 18:17:20,287 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 18:17:20,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 18:17:20,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 18:17:20,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 18:17:20,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 18:17:20,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 18:17:20,511 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 18:17:20,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-16 18:17:21,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 18:17:21,674 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 18:17:21,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-16 18:17:21,689 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59c82ad76/f6f9822572074668a2056f71154516d3/FLAG3716fae36 [2023-12-16 18:17:21,698 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59c82ad76/f6f9822572074668a2056f71154516d3 [2023-12-16 18:17:21,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 18:17:21,702 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 18:17:21,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 18:17:21,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 18:17:21,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 18:17:21,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:17:21" (1/1) ... [2023-12-16 18:17:21,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d34fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:21, skipping insertion in model container [2023-12-16 18:17:21,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:17:21" (1/1) ... [2023-12-16 18:17:21,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 18:17:21,948 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8127,8140] [2023-12-16 18:17:21,974 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14997,15010] [2023-12-16 18:17:21,982 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17084,17097] [2023-12-16 18:17:21,990 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18108,18121] [2023-12-16 18:17:22,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:17:22,142 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 18:17:22,192 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8127,8140] [2023-12-16 18:17:22,211 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14997,15010] [2023-12-16 18:17:22,219 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17084,17097] [2023-12-16 18:17:22,222 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18108,18121] [2023-12-16 18:17:22,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:17:22,349 INFO L206 MainTranslator]: Completed translation [2023-12-16 18:17:22,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22 WrapperNode [2023-12-16 18:17:22,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 18:17:22,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 18:17:22,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 18:17:22,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 18:17:22,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22" (1/1) ... [2023-12-16 18:17:22,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22" (1/1) ... [2023-12-16 18:17:22,468 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2605 [2023-12-16 18:17:22,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 18:17:22,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 18:17:22,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 18:17:22,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 18:17:22,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22" (1/1) ... [2023-12-16 18:17:22,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22" (1/1) ... [2023-12-16 18:17:22,483 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22" (1/1) ... [2023-12-16 18:17:22,503 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 18:17:22,503 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22" (1/1) ... [2023-12-16 18:17:22,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22" (1/1) ... [2023-12-16 18:17:22,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22" (1/1) ... [2023-12-16 18:17:22,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22" (1/1) ... [2023-12-16 18:17:22,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22" (1/1) ... [2023-12-16 18:17:22,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22" (1/1) ... [2023-12-16 18:17:22,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 18:17:22,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 18:17:22,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 18:17:22,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 18:17:22,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22" (1/1) ... [2023-12-16 18:17:22,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:17:22,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 18:17:22,576 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 18:17:22,598 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 18:17:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 18:17:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 18:17:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 18:17:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 18:17:22,766 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 18:17:22,768 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 18:17:23,891 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 18:17:23,918 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 18:17:23,918 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-16 18:17:23,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:17:23 BoogieIcfgContainer [2023-12-16 18:17:23,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 18:17:23,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 18:17:23,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 18:17:23,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 18:17:23,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:17:21" (1/3) ... [2023-12-16 18:17:23,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fb0d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:17:23, skipping insertion in model container [2023-12-16 18:17:23,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:17:22" (2/3) ... [2023-12-16 18:17:23,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fb0d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:17:23, skipping insertion in model container [2023-12-16 18:17:23,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:17:23" (3/3) ... [2023-12-16 18:17:23,924 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-16 18:17:23,934 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 18:17:23,934 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-12-16 18:17:23,967 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 18:17:23,971 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;@3d87f9d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 18:17:23,971 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-12-16 18:17:23,976 INFO L276 IsEmpty]: Start isEmpty. Operand has 454 states, 449 states have (on average 1.8530066815144766) internal successors, (832), 453 states have internal predecessors, (832), 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 18:17:23,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-16 18:17:23,985 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:23,985 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] [2023-12-16 18:17:23,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:23,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:23,988 INFO L85 PathProgramCache]: Analyzing trace with hash 34120099, now seen corresponding path program 1 times [2023-12-16 18:17:23,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:23,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556634792] [2023-12-16 18:17:23,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:23,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:17:23,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:23,998 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 18:17:24,002 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 18:17:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:24,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:17:24,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:24,499 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 18:17:24,499 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:24,500 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:24,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556634792] [2023-12-16 18:17:24,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556634792] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:24,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:24,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:17:24,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941771721] [2023-12-16 18:17:24,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:24,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:17:24,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:24,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:17:24,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:24,531 INFO L87 Difference]: Start difference. First operand has 454 states, 449 states have (on average 1.8530066815144766) internal successors, (832), 453 states have internal predecessors, (832), 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 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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 18:17:25,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:25,056 INFO L93 Difference]: Finished difference Result 829 states and 1468 transitions. [2023-12-16 18:17:25,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:17:25,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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 49 [2023-12-16 18:17:25,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:25,066 INFO L225 Difference]: With dead ends: 829 [2023-12-16 18:17:25,067 INFO L226 Difference]: Without dead ends: 484 [2023-12-16 18:17:25,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:17:25,071 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 2277 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:25,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 563 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 18:17:25,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2023-12-16 18:17:25,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 478. [2023-12-16 18:17:25,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 474 states have (on average 1.3755274261603376) internal successors, (652), 477 states have internal predecessors, (652), 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 18:17:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 652 transitions. [2023-12-16 18:17:25,113 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 652 transitions. Word has length 49 [2023-12-16 18:17:25,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:25,114 INFO L495 AbstractCegarLoop]: Abstraction has 478 states and 652 transitions. [2023-12-16 18:17:25,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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 18:17:25,114 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 652 transitions. [2023-12-16 18:17:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-16 18:17:25,123 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:25,124 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] [2023-12-16 18:17:25,132 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 18:17:25,332 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 18:17:25,332 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:25,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:25,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1293280514, now seen corresponding path program 1 times [2023-12-16 18:17:25,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:25,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181736353] [2023-12-16 18:17:25,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:25,334 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:17:25,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:25,335 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 18:17:25,344 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 18:17:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:25,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:17:25,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:25,612 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 18:17:25,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:25,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:25,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181736353] [2023-12-16 18:17:25,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181736353] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:25,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:25,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:17:25,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677733519] [2023-12-16 18:17:25,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:25,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:17:25,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:25,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:17:25,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:25,614 INFO L87 Difference]: Start difference. First operand 478 states and 652 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 18:17:25,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:25,927 INFO L93 Difference]: Finished difference Result 975 states and 1375 transitions. [2023-12-16 18:17:25,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:17:25,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2023-12-16 18:17:25,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:25,930 INFO L225 Difference]: With dead ends: 975 [2023-12-16 18:17:25,930 INFO L226 Difference]: Without dead ends: 645 [2023-12-16 18:17:25,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:17:25,931 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 972 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:25,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 367 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 18:17:25,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2023-12-16 18:17:25,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 638. [2023-12-16 18:17:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 634 states have (on average 1.4006309148264984) internal successors, (888), 637 states have internal predecessors, (888), 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 18:17:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 888 transitions. [2023-12-16 18:17:25,958 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 888 transitions. Word has length 50 [2023-12-16 18:17:25,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:25,959 INFO L495 AbstractCegarLoop]: Abstraction has 638 states and 888 transitions. [2023-12-16 18:17:25,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 18:17:25,959 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 888 transitions. [2023-12-16 18:17:25,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-16 18:17:25,960 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:25,960 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] [2023-12-16 18:17:25,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 18:17:26,163 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 18:17:26,164 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:26,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:26,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1148996632, now seen corresponding path program 1 times [2023-12-16 18:17:26,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:26,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808966200] [2023-12-16 18:17:26,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:26,166 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 18:17:26,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:26,166 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 18:17:26,168 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 18:17:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:26,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:17:26,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:26,338 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 18:17:26,338 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:26,339 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:26,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808966200] [2023-12-16 18:17:26,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808966200] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:26,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:26,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:17:26,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786010145] [2023-12-16 18:17:26,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:26,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:17:26,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:26,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:17:26,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:26,340 INFO L87 Difference]: Start difference. First operand 638 states and 888 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 18:17:26,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:26,452 INFO L93 Difference]: Finished difference Result 1726 states and 2516 transitions. [2023-12-16 18:17:26,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:17:26,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 50 [2023-12-16 18:17:26,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:26,456 INFO L225 Difference]: With dead ends: 1726 [2023-12-16 18:17:26,456 INFO L226 Difference]: Without dead ends: 1228 [2023-12-16 18:17:26,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:26,458 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 824 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:26,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 912 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 18:17:26,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2023-12-16 18:17:26,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1219. [2023-12-16 18:17:26,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1215 states have (on average 1.4534979423868313) internal successors, (1766), 1218 states have internal predecessors, (1766), 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 18:17:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1766 transitions. [2023-12-16 18:17:26,477 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1766 transitions. Word has length 50 [2023-12-16 18:17:26,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:26,477 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1766 transitions. [2023-12-16 18:17:26,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 18:17:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1766 transitions. [2023-12-16 18:17:26,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-16 18:17:26,479 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:26,479 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] [2023-12-16 18:17:26,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-16 18:17:26,681 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 18:17:26,682 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:26,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:26,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1729159359, now seen corresponding path program 1 times [2023-12-16 18:17:26,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:26,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1044475320] [2023-12-16 18:17:26,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:26,683 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 18:17:26,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:26,684 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 18:17:26,686 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 18:17:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:26,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:17:26,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:26,965 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 18:17:26,965 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:26,966 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:26,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1044475320] [2023-12-16 18:17:26,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1044475320] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:26,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:26,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:17:26,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222473279] [2023-12-16 18:17:26,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:26,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:17:26,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:26,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:17:26,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:26,971 INFO L87 Difference]: Start difference. First operand 1219 states and 1766 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 18:17:27,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:27,240 INFO L93 Difference]: Finished difference Result 3115 states and 4613 transitions. [2023-12-16 18:17:27,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:17:27,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2023-12-16 18:17:27,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:27,246 INFO L225 Difference]: With dead ends: 3115 [2023-12-16 18:17:27,246 INFO L226 Difference]: Without dead ends: 2004 [2023-12-16 18:17:27,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:17:27,247 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 1043 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:27,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 339 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 18:17:27,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2004 states. [2023-12-16 18:17:27,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2004 to 1998. [2023-12-16 18:17:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1998 states, 1994 states have (on average 1.4789368104312939) internal successors, (2949), 1997 states have internal predecessors, (2949), 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 18:17:27,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1998 states and 2949 transitions. [2023-12-16 18:17:27,273 INFO L78 Accepts]: Start accepts. Automaton has 1998 states and 2949 transitions. Word has length 50 [2023-12-16 18:17:27,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:27,274 INFO L495 AbstractCegarLoop]: Abstraction has 1998 states and 2949 transitions. [2023-12-16 18:17:27,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 18:17:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 2949 transitions. [2023-12-16 18:17:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-16 18:17:27,276 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:27,276 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] [2023-12-16 18:17:27,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-16 18:17:27,480 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 18:17:27,480 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:27,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:27,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1397993911, now seen corresponding path program 1 times [2023-12-16 18:17:27,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:27,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609193356] [2023-12-16 18:17:27,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:27,482 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 18:17:27,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:27,482 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 18:17:27,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-16 18:17:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:27,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 18:17:27,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:27,621 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 18:17:27,621 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:27,621 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:27,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609193356] [2023-12-16 18:17:27,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [609193356] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:27,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:27,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 18:17:27,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96122665] [2023-12-16 18:17:27,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:27,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 18:17:27,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:27,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 18:17:27,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 18:17:27,622 INFO L87 Difference]: Start difference. First operand 1998 states and 2949 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 18:17:27,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:27,652 INFO L93 Difference]: Finished difference Result 3625 states and 5395 transitions. [2023-12-16 18:17:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 18:17:27,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2023-12-16 18:17:27,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:27,658 INFO L225 Difference]: With dead ends: 3625 [2023-12-16 18:17:27,658 INFO L226 Difference]: Without dead ends: 2481 [2023-12-16 18:17:27,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 18:17:27,661 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 226 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:27,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 690 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:17:27,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2481 states. [2023-12-16 18:17:27,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2481 to 2450. [2023-12-16 18:17:27,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2450 states, 2446 states have (on average 1.4664758789860997) internal successors, (3587), 2449 states have internal predecessors, (3587), 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 18:17:27,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 2450 states and 3587 transitions. [2023-12-16 18:17:27,698 INFO L78 Accepts]: Start accepts. Automaton has 2450 states and 3587 transitions. Word has length 51 [2023-12-16 18:17:27,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:27,699 INFO L495 AbstractCegarLoop]: Abstraction has 2450 states and 3587 transitions. [2023-12-16 18:17:27,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 18:17:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 3587 transitions. [2023-12-16 18:17:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-16 18:17:27,700 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:27,700 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] [2023-12-16 18:17:27,709 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 18:17:27,902 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 18:17:27,903 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:27,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:27,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1712475855, now seen corresponding path program 1 times [2023-12-16 18:17:27,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:27,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877130710] [2023-12-16 18:17:27,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:27,904 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 18:17:27,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:27,905 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 18:17:27,906 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 (7)] Waiting until timeout for monitored process [2023-12-16 18:17:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:28,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 18:17:28,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:28,101 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 18:17:28,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:28,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:28,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877130710] [2023-12-16 18:17:28,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877130710] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:28,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:28,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:17:28,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347361832] [2023-12-16 18:17:28,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:28,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 18:17:28,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:28,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 18:17:28,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:17:28,104 INFO L87 Difference]: Start difference. First operand 2450 states and 3587 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 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 18:17:28,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:28,439 INFO L93 Difference]: Finished difference Result 9318 states and 13804 transitions. [2023-12-16 18:17:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 18:17:28,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 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 51 [2023-12-16 18:17:28,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:28,456 INFO L225 Difference]: With dead ends: 9318 [2023-12-16 18:17:28,456 INFO L226 Difference]: Without dead ends: 7094 [2023-12-16 18:17:28,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-12-16 18:17:28,459 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 1989 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:28,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 618 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 18:17:28,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7094 states. [2023-12-16 18:17:28,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7094 to 2442. [2023-12-16 18:17:28,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2442 states, 2438 states have (on average 1.4548810500410172) internal successors, (3547), 2441 states have internal predecessors, (3547), 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 18:17:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2442 states and 3547 transitions. [2023-12-16 18:17:28,524 INFO L78 Accepts]: Start accepts. Automaton has 2442 states and 3547 transitions. Word has length 51 [2023-12-16 18:17:28,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:28,524 INFO L495 AbstractCegarLoop]: Abstraction has 2442 states and 3547 transitions. [2023-12-16 18:17:28,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 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 18:17:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2442 states and 3547 transitions. [2023-12-16 18:17:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-16 18:17:28,525 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:28,526 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] [2023-12-16 18:17:28,529 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 18:17:28,729 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 18:17:28,729 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:28,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:28,730 INFO L85 PathProgramCache]: Analyzing trace with hash 330816908, now seen corresponding path program 1 times [2023-12-16 18:17:28,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:28,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699849700] [2023-12-16 18:17:28,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:28,730 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 18:17:28,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:28,731 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 18:17:28,732 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 18:17:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:28,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 18:17:28,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:28,858 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 18:17:28,859 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:28,859 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:28,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699849700] [2023-12-16 18:17:28,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699849700] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:28,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:28,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 18:17:28,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703878905] [2023-12-16 18:17:28,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:28,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 18:17:28,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:28,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 18:17:28,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 18:17:28,860 INFO L87 Difference]: Start difference. First operand 2442 states and 3547 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 18:17:28,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:28,892 INFO L93 Difference]: Finished difference Result 4983 states and 7253 transitions. [2023-12-16 18:17:28,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 18:17:28,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2023-12-16 18:17:28,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:28,900 INFO L225 Difference]: With dead ends: 4983 [2023-12-16 18:17:28,900 INFO L226 Difference]: Without dead ends: 3342 [2023-12-16 18:17:28,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 18:17:28,903 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 230 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:28,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 754 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:17:28,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3342 states. [2023-12-16 18:17:28,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3342 to 3319. [2023-12-16 18:17:28,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3319 states, 3315 states have (on average 1.4277526395173454) internal successors, (4733), 3318 states have internal predecessors, (4733), 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 18:17:28,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 3319 states and 4733 transitions. [2023-12-16 18:17:28,948 INFO L78 Accepts]: Start accepts. Automaton has 3319 states and 4733 transitions. Word has length 51 [2023-12-16 18:17:28,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:28,948 INFO L495 AbstractCegarLoop]: Abstraction has 3319 states and 4733 transitions. [2023-12-16 18:17:28,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 18:17:28,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3319 states and 4733 transitions. [2023-12-16 18:17:28,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-16 18:17:28,950 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:28,950 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] [2023-12-16 18:17:28,957 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 18:17:29,157 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 18:17:29,158 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:29,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:29,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1403373740, now seen corresponding path program 1 times [2023-12-16 18:17:29,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:29,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1553106229] [2023-12-16 18:17:29,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:29,159 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 18:17:29,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:29,160 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 18:17:29,192 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 18:17:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:29,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 18:17:29,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:29,365 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 18:17:29,365 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:29,365 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:29,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1553106229] [2023-12-16 18:17:29,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1553106229] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:29,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:29,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:17:29,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936487422] [2023-12-16 18:17:29,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:29,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 18:17:29,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:29,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 18:17:29,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:17:29,366 INFO L87 Difference]: Start difference. First operand 3319 states and 4733 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 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 18:17:29,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:29,714 INFO L93 Difference]: Finished difference Result 15773 states and 22767 transitions. [2023-12-16 18:17:29,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 18:17:29,715 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 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 51 [2023-12-16 18:17:29,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:29,748 INFO L225 Difference]: With dead ends: 15773 [2023-12-16 18:17:29,748 INFO L226 Difference]: Without dead ends: 13371 [2023-12-16 18:17:29,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-12-16 18:17:29,756 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 1644 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:29,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 669 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 18:17:29,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13371 states. [2023-12-16 18:17:29,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13371 to 3314. [2023-12-16 18:17:29,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3314 states, 3310 states have (on average 1.4039274924471299) internal successors, (4647), 3313 states have internal predecessors, (4647), 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 18:17:29,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 4647 transitions. [2023-12-16 18:17:29,890 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 4647 transitions. Word has length 51 [2023-12-16 18:17:29,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:29,890 INFO L495 AbstractCegarLoop]: Abstraction has 3314 states and 4647 transitions. [2023-12-16 18:17:29,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 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 18:17:29,890 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 4647 transitions. [2023-12-16 18:17:29,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-16 18:17:29,892 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:29,892 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] [2023-12-16 18:17:29,896 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 18:17:30,094 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 18:17:30,095 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:30,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:30,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1490455062, now seen corresponding path program 1 times [2023-12-16 18:17:30,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:30,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963250025] [2023-12-16 18:17:30,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:30,096 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 18:17:30,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:30,097 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 18:17:30,097 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 18:17:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:30,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 18:17:30,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:30,214 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 18:17:30,214 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:30,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:30,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963250025] [2023-12-16 18:17:30,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963250025] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:30,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:30,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 18:17:30,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726257983] [2023-12-16 18:17:30,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:30,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 18:17:30,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:30,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 18:17:30,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 18:17:30,216 INFO L87 Difference]: Start difference. First operand 3314 states and 4647 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 18:17:30,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:30,250 INFO L93 Difference]: Finished difference Result 4874 states and 6833 transitions. [2023-12-16 18:17:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 18:17:30,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2023-12-16 18:17:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:30,262 INFO L225 Difference]: With dead ends: 4874 [2023-12-16 18:17:30,263 INFO L226 Difference]: Without dead ends: 3439 [2023-12-16 18:17:30,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 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 18:17:30,266 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 210 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:30,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 714 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:17:30,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2023-12-16 18:17:30,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 3138. [2023-12-16 18:17:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3138 states, 3134 states have (on average 1.3726866624122527) internal successors, (4302), 3137 states have internal predecessors, (4302), 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 18:17:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 3138 states and 4302 transitions. [2023-12-16 18:17:30,306 INFO L78 Accepts]: Start accepts. Automaton has 3138 states and 4302 transitions. Word has length 52 [2023-12-16 18:17:30,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:30,306 INFO L495 AbstractCegarLoop]: Abstraction has 3138 states and 4302 transitions. [2023-12-16 18:17:30,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 18:17:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3138 states and 4302 transitions. [2023-12-16 18:17:30,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-16 18:17:30,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:30,308 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] [2023-12-16 18:17:30,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-16 18:17:30,511 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 18:17:30,511 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:30,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:30,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1221262858, now seen corresponding path program 1 times [2023-12-16 18:17:30,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:30,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028515583] [2023-12-16 18:17:30,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:30,512 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 18:17:30,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:30,513 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 18:17:30,517 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 18:17:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:30,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:17:30,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:30,959 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 18:17:30,959 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:30,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:30,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028515583] [2023-12-16 18:17:30,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2028515583] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:30,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:30,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:17:30,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780650472] [2023-12-16 18:17:30,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:30,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:17:30,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:30,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:17:30,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:17:30,961 INFO L87 Difference]: Start difference. First operand 3138 states and 4302 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 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 18:17:32,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:32,015 INFO L93 Difference]: Finished difference Result 7024 states and 9850 transitions. [2023-12-16 18:17:32,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 18:17:32,016 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 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 52 [2023-12-16 18:17:32,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:32,023 INFO L225 Difference]: With dead ends: 7024 [2023-12-16 18:17:32,023 INFO L226 Difference]: Without dead ends: 5073 [2023-12-16 18:17:32,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-16 18:17:32,026 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 1780 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1780 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:32,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1780 Valid, 1082 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 18:17:32,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5073 states. [2023-12-16 18:17:32,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5073 to 3115. [2023-12-16 18:17:32,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3115 states, 3111 states have (on average 1.3728704596592736) internal successors, (4271), 3114 states have internal predecessors, (4271), 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 18:17:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 4271 transitions. [2023-12-16 18:17:32,066 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 4271 transitions. Word has length 52 [2023-12-16 18:17:32,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:32,067 INFO L495 AbstractCegarLoop]: Abstraction has 3115 states and 4271 transitions. [2023-12-16 18:17:32,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 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 18:17:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 4271 transitions. [2023-12-16 18:17:32,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-16 18:17:32,069 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:32,069 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] [2023-12-16 18:17:32,072 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 18:17:32,272 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 18:17:32,272 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:32,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:32,272 INFO L85 PathProgramCache]: Analyzing trace with hash -55106621, now seen corresponding path program 1 times [2023-12-16 18:17:32,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:32,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [150159953] [2023-12-16 18:17:32,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:32,273 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 18:17:32,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:32,274 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 18:17:32,274 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 18:17:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:32,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 18:17:32,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:32,588 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 18:17:32,589 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:32,589 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:32,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [150159953] [2023-12-16 18:17:32,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [150159953] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:32,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:32,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 18:17:32,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309336973] [2023-12-16 18:17:32,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:32,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 18:17:32,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:32,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 18:17:32,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-16 18:17:32,590 INFO L87 Difference]: Start difference. First operand 3115 states and 4271 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 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 18:17:33,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:33,239 INFO L93 Difference]: Finished difference Result 4083 states and 5622 transitions. [2023-12-16 18:17:33,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 18:17:33,240 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 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 53 [2023-12-16 18:17:33,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:33,244 INFO L225 Difference]: With dead ends: 4083 [2023-12-16 18:17:33,245 INFO L226 Difference]: Without dead ends: 3333 [2023-12-16 18:17:33,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-16 18:17:33,246 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 1170 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:33,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 807 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 18:17:33,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3333 states. [2023-12-16 18:17:33,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3333 to 3025. [2023-12-16 18:17:33,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3025 states, 3021 states have (on average 1.3733862959285006) internal successors, (4149), 3024 states have internal predecessors, (4149), 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 18:17:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 3025 states and 4149 transitions. [2023-12-16 18:17:33,288 INFO L78 Accepts]: Start accepts. Automaton has 3025 states and 4149 transitions. Word has length 53 [2023-12-16 18:17:33,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:33,288 INFO L495 AbstractCegarLoop]: Abstraction has 3025 states and 4149 transitions. [2023-12-16 18:17:33,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 states have internal predecessors, (53), 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 18:17:33,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 4149 transitions. [2023-12-16 18:17:33,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-16 18:17:33,290 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:33,290 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] [2023-12-16 18:17:33,295 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 18:17:33,491 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 18:17:33,491 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:33,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:33,491 INFO L85 PathProgramCache]: Analyzing trace with hash -421230622, now seen corresponding path program 1 times [2023-12-16 18:17:33,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:33,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320625880] [2023-12-16 18:17:33,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:33,492 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:17:33,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:33,493 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 18:17:33,494 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 18:17:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:33,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:17:33,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:33,879 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 18:17:33,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:33,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:33,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320625880] [2023-12-16 18:17:33,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [320625880] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:33,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:33,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:17:33,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709358560] [2023-12-16 18:17:33,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:33,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:17:33,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:33,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:17:33,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:17:33,880 INFO L87 Difference]: Start difference. First operand 3025 states and 4149 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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 18:17:34,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:34,825 INFO L93 Difference]: Finished difference Result 3591 states and 4942 transitions. [2023-12-16 18:17:34,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 18:17:34,826 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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 53 [2023-12-16 18:17:34,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:34,831 INFO L225 Difference]: With dead ends: 3591 [2023-12-16 18:17:34,831 INFO L226 Difference]: Without dead ends: 3586 [2023-12-16 18:17:34,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-16 18:17:34,832 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 1537 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:34,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 1125 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 18:17:34,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2023-12-16 18:17:34,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 3025. [2023-12-16 18:17:34,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3025 states, 3021 states have (on average 1.372724263488911) internal successors, (4147), 3024 states have internal predecessors, (4147), 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 18:17:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 3025 states and 4147 transitions. [2023-12-16 18:17:34,881 INFO L78 Accepts]: Start accepts. Automaton has 3025 states and 4147 transitions. Word has length 53 [2023-12-16 18:17:34,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:34,882 INFO L495 AbstractCegarLoop]: Abstraction has 3025 states and 4147 transitions. [2023-12-16 18:17:34,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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 18:17:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 4147 transitions. [2023-12-16 18:17:34,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-16 18:17:34,886 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:34,886 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] [2023-12-16 18:17:34,891 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 18:17:35,089 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 18:17:35,089 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:35,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:35,090 INFO L85 PathProgramCache]: Analyzing trace with hash -719520502, now seen corresponding path program 1 times [2023-12-16 18:17:35,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:35,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963492715] [2023-12-16 18:17:35,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:35,090 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 18:17:35,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:35,091 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 18:17:35,092 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 18:17:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:35,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 18:17:35,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:35,292 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 18:17:35,292 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:35,292 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:35,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963492715] [2023-12-16 18:17:35,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963492715] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:35,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:35,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:17:35,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657988290] [2023-12-16 18:17:35,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:35,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 18:17:35,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:35,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 18:17:35,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:17:35,293 INFO L87 Difference]: Start difference. First operand 3025 states and 4147 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 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 18:17:35,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:35,615 INFO L93 Difference]: Finished difference Result 11168 states and 15558 transitions. [2023-12-16 18:17:35,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 18:17:35,616 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 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 53 [2023-12-16 18:17:35,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:35,625 INFO L225 Difference]: With dead ends: 11168 [2023-12-16 18:17:35,625 INFO L226 Difference]: Without dead ends: 9334 [2023-12-16 18:17:35,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-12-16 18:17:35,629 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 1382 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1382 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:35,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1382 Valid, 790 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 18:17:35,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9334 states. [2023-12-16 18:17:35,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9334 to 3027. [2023-12-16 18:17:35,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3027 states, 3023 states have (on average 1.3628845517697652) internal successors, (4120), 3026 states have internal predecessors, (4120), 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 18:17:35,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 3027 states and 4120 transitions. [2023-12-16 18:17:35,700 INFO L78 Accepts]: Start accepts. Automaton has 3027 states and 4120 transitions. Word has length 53 [2023-12-16 18:17:35,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:35,700 INFO L495 AbstractCegarLoop]: Abstraction has 3027 states and 4120 transitions. [2023-12-16 18:17:35,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 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 18:17:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 3027 states and 4120 transitions. [2023-12-16 18:17:35,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-16 18:17:35,702 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:35,702 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] [2023-12-16 18:17:35,709 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 18:17:35,909 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 18:17:35,910 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:35,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:35,910 INFO L85 PathProgramCache]: Analyzing trace with hash -863697757, now seen corresponding path program 1 times [2023-12-16 18:17:35,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:35,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163883760] [2023-12-16 18:17:35,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:35,910 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 18:17:35,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:35,912 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 18:17:35,912 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 18:17:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:36,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 18:17:36,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:36,031 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 18:17:36,031 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:36,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:36,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163883760] [2023-12-16 18:17:36,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163883760] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:36,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:36,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 18:17:36,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011891834] [2023-12-16 18:17:36,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:36,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 18:17:36,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:36,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 18:17:36,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 18:17:36,033 INFO L87 Difference]: Start difference. First operand 3027 states and 4120 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 18:17:36,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:36,056 INFO L93 Difference]: Finished difference Result 3640 states and 4955 transitions. [2023-12-16 18:17:36,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 18:17:36,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2023-12-16 18:17:36,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:36,058 INFO L225 Difference]: With dead ends: 3640 [2023-12-16 18:17:36,058 INFO L226 Difference]: Without dead ends: 2823 [2023-12-16 18:17:36,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 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 18:17:36,059 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 233 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:36,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 728 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:17:36,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2023-12-16 18:17:36,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 2817. [2023-12-16 18:17:36,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2817 states, 2813 states have (on average 1.3501599715606114) internal successors, (3798), 2816 states have internal predecessors, (3798), 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 18:17:36,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2817 states and 3798 transitions. [2023-12-16 18:17:36,083 INFO L78 Accepts]: Start accepts. Automaton has 2817 states and 3798 transitions. Word has length 54 [2023-12-16 18:17:36,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:36,083 INFO L495 AbstractCegarLoop]: Abstraction has 2817 states and 3798 transitions. [2023-12-16 18:17:36,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 18:17:36,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3798 transitions. [2023-12-16 18:17:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-16 18:17:36,084 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:36,084 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] [2023-12-16 18:17:36,089 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 18:17:36,286 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 18:17:36,287 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:36,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:36,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1589153365, now seen corresponding path program 1 times [2023-12-16 18:17:36,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:36,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285746073] [2023-12-16 18:17:36,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:36,288 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 18:17:36,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:36,288 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 18:17:36,289 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 18:17:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:36,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 18:17:36,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:36,405 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 18:17:36,405 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:36,405 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:36,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285746073] [2023-12-16 18:17:36,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285746073] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:36,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:36,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 18:17:36,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134157] [2023-12-16 18:17:36,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:36,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 18:17:36,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:36,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 18:17:36,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 18:17:36,407 INFO L87 Difference]: Start difference. First operand 2817 states and 3798 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 18:17:36,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:36,429 INFO L93 Difference]: Finished difference Result 3427 states and 4613 transitions. [2023-12-16 18:17:36,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 18:17:36,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2023-12-16 18:17:36,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:36,431 INFO L225 Difference]: With dead ends: 3427 [2023-12-16 18:17:36,431 INFO L226 Difference]: Without dead ends: 2303 [2023-12-16 18:17:36,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 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 18:17:36,433 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 253 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:36,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 678 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:17:36,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2303 states. [2023-12-16 18:17:36,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2303 to 2297. [2023-12-16 18:17:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2297 states, 2293 states have (on average 1.3135630178805058) internal successors, (3012), 2296 states have internal predecessors, (3012), 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 18:17:36,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 2297 states and 3012 transitions. [2023-12-16 18:17:36,451 INFO L78 Accepts]: Start accepts. Automaton has 2297 states and 3012 transitions. Word has length 54 [2023-12-16 18:17:36,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:36,452 INFO L495 AbstractCegarLoop]: Abstraction has 2297 states and 3012 transitions. [2023-12-16 18:17:36,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 18:17:36,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2297 states and 3012 transitions. [2023-12-16 18:17:36,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-16 18:17:36,453 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:36,453 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] [2023-12-16 18:17:36,459 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 18:17:36,659 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 18:17:36,660 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:36,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:36,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1127796312, now seen corresponding path program 1 times [2023-12-16 18:17:36,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:36,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277308796] [2023-12-16 18:17:36,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:36,660 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 18:17:36,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:36,661 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 18:17:36,663 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 18:17:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:36,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 18:17:36,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:36,786 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 18:17:36,786 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:36,786 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:36,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277308796] [2023-12-16 18:17:36,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277308796] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:36,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:36,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 18:17:36,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857267697] [2023-12-16 18:17:36,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:36,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 18:17:36,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:36,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 18:17:36,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 18:17:36,787 INFO L87 Difference]: Start difference. First operand 2297 states and 3012 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 18:17:36,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:36,843 INFO L93 Difference]: Finished difference Result 3401 states and 4505 transitions. [2023-12-16 18:17:36,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 18:17:36,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2023-12-16 18:17:36,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:36,846 INFO L225 Difference]: With dead ends: 3401 [2023-12-16 18:17:36,846 INFO L226 Difference]: Without dead ends: 2692 [2023-12-16 18:17:36,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 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 18:17:36,850 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 292 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:36,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 478 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:17:36,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2023-12-16 18:17:36,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2129. [2023-12-16 18:17:36,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2129 states, 2125 states have (on average 1.3214117647058823) internal successors, (2808), 2128 states have internal predecessors, (2808), 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 18:17:36,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 2129 states and 2808 transitions. [2023-12-16 18:17:36,891 INFO L78 Accepts]: Start accepts. Automaton has 2129 states and 2808 transitions. Word has length 55 [2023-12-16 18:17:36,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:36,892 INFO L495 AbstractCegarLoop]: Abstraction has 2129 states and 2808 transitions. [2023-12-16 18:17:36,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 18:17:36,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2808 transitions. [2023-12-16 18:17:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-16 18:17:36,893 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:36,893 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] [2023-12-16 18:17:36,898 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 18:17:37,096 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 18:17:37,097 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:37,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:37,097 INFO L85 PathProgramCache]: Analyzing trace with hash 847139516, now seen corresponding path program 1 times [2023-12-16 18:17:37,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:37,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596507106] [2023-12-16 18:17:37,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:37,098 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 18:17:37,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:37,099 INFO L229 MonitoredProcess]: Starting monitored process 18 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 18:17:37,120 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 (18)] Waiting until timeout for monitored process [2023-12-16 18:17:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:37,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 18:17:37,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:37,222 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 18:17:37,223 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:37,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:37,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596507106] [2023-12-16 18:17:37,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596507106] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:37,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:37,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 18:17:37,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078808241] [2023-12-16 18:17:37,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:37,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 18:17:37,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:37,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 18:17:37,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 18:17:37,224 INFO L87 Difference]: Start difference. First operand 2129 states and 2808 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 18:17:37,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:37,288 INFO L93 Difference]: Finished difference Result 3674 states and 4896 transitions. [2023-12-16 18:17:37,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 18:17:37,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2023-12-16 18:17:37,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:37,292 INFO L225 Difference]: With dead ends: 3674 [2023-12-16 18:17:37,292 INFO L226 Difference]: Without dead ends: 2529 [2023-12-16 18:17:37,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 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 18:17:37,295 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 283 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:37,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 433 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 18:17:37,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2529 states. [2023-12-16 18:17:37,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2529 to 1828. [2023-12-16 18:17:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1828 states, 1824 states have (on average 1.3300438596491229) internal successors, (2426), 1827 states have internal predecessors, (2426), 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 18:17:37,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1828 states and 2426 transitions. [2023-12-16 18:17:37,313 INFO L78 Accepts]: Start accepts. Automaton has 1828 states and 2426 transitions. Word has length 56 [2023-12-16 18:17:37,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:37,313 INFO L495 AbstractCegarLoop]: Abstraction has 1828 states and 2426 transitions. [2023-12-16 18:17:37,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 18:17:37,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2426 transitions. [2023-12-16 18:17:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-16 18:17:37,314 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:37,314 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] [2023-12-16 18:17:37,320 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 (18)] Forceful destruction successful, exit code 0 [2023-12-16 18:17:37,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:37,521 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:37,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:37,521 INFO L85 PathProgramCache]: Analyzing trace with hash 474120695, now seen corresponding path program 1 times [2023-12-16 18:17:37,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:37,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386424240] [2023-12-16 18:17:37,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:37,522 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 18:17:37,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:37,523 INFO L229 MonitoredProcess]: Starting monitored process 19 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 18:17:37,531 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 (19)] Waiting until timeout for monitored process [2023-12-16 18:17:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:37,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-16 18:17:37,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:38,748 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 18:17:38,748 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:38,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:38,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386424240] [2023-12-16 18:17:38,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386424240] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:38,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:38,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-12-16 18:17:38,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269647526] [2023-12-16 18:17:38,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:38,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-16 18:17:38,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:38,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-16 18:17:38,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2023-12-16 18:17:38,750 INFO L87 Difference]: Start difference. First operand 1828 states and 2426 transitions. Second operand has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 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 18:17:40,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:40,172 INFO L93 Difference]: Finished difference Result 3685 states and 4943 transitions. [2023-12-16 18:17:40,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-16 18:17:40,172 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 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 56 [2023-12-16 18:17:40,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:40,174 INFO L225 Difference]: With dead ends: 3685 [2023-12-16 18:17:40,174 INFO L226 Difference]: Without dead ends: 2570 [2023-12-16 18:17:40,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2023-12-16 18:17:40,176 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 1869 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1869 SdHoareTripleChecker+Valid, 1947 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:40,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1869 Valid, 1947 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 18:17:40,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2570 states. [2023-12-16 18:17:40,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2570 to 2001. [2023-12-16 18:17:40,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2001 states, 1999 states have (on average 1.3396698349174587) internal successors, (2678), 2000 states have internal predecessors, (2678), 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 18:17:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 2678 transitions. [2023-12-16 18:17:40,191 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 2678 transitions. Word has length 56 [2023-12-16 18:17:40,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:40,191 INFO L495 AbstractCegarLoop]: Abstraction has 2001 states and 2678 transitions. [2023-12-16 18:17:40,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 17 states have internal predecessors, (56), 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 18:17:40,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2678 transitions. [2023-12-16 18:17:40,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-16 18:17:40,192 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:40,192 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] [2023-12-16 18:17:40,197 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 (19)] Ended with exit code 0 [2023-12-16 18:17:40,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:40,394 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:40,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:40,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1616892635, now seen corresponding path program 1 times [2023-12-16 18:17:40,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:40,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821100736] [2023-12-16 18:17:40,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:40,395 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 18:17:40,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:40,396 INFO L229 MonitoredProcess]: Starting monitored process 20 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 18:17:40,399 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 (20)] Waiting until timeout for monitored process [2023-12-16 18:17:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:40,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-16 18:17:40,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:41,677 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 18:17:41,677 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:41,677 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:41,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821100736] [2023-12-16 18:17:41,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821100736] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:41,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:41,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-12-16 18:17:41,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571588582] [2023-12-16 18:17:41,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:41,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-16 18:17:41,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:41,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-16 18:17:41,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2023-12-16 18:17:41,678 INFO L87 Difference]: Start difference. First operand 2001 states and 2678 transitions. Second operand has 18 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 18 states have internal predecessors, (57), 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 18:17:43,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:43,058 INFO L93 Difference]: Finished difference Result 2677 states and 3588 transitions. [2023-12-16 18:17:43,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-16 18:17:43,058 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 18 states have internal predecessors, (57), 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 57 [2023-12-16 18:17:43,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:43,060 INFO L225 Difference]: With dead ends: 2677 [2023-12-16 18:17:43,060 INFO L226 Difference]: Without dead ends: 2556 [2023-12-16 18:17:43,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2023-12-16 18:17:43,061 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 1364 mSDsluCounter, 1853 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 2087 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:43,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1364 Valid, 2087 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 18:17:43,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2023-12-16 18:17:43,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 1987. [2023-12-16 18:17:43,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1986 states have (on average 1.3398791540785497) internal successors, (2661), 1986 states have internal predecessors, (2661), 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 18:17:43,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2661 transitions. [2023-12-16 18:17:43,078 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2661 transitions. Word has length 57 [2023-12-16 18:17:43,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:43,078 INFO L495 AbstractCegarLoop]: Abstraction has 1987 states and 2661 transitions. [2023-12-16 18:17:43,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 18 states have internal predecessors, (57), 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 18:17:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2661 transitions. [2023-12-16 18:17:43,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-16 18:17:43,080 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:43,080 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] [2023-12-16 18:17:43,085 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 (20)] Ended with exit code 0 [2023-12-16 18:17:43,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:43,284 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:43,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:43,285 INFO L85 PathProgramCache]: Analyzing trace with hash -88162099, now seen corresponding path program 1 times [2023-12-16 18:17:43,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:43,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197589846] [2023-12-16 18:17:43,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:43,285 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 18:17:43,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:43,286 INFO L229 MonitoredProcess]: Starting monitored process 21 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 18:17:43,289 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 (21)] Waiting until timeout for monitored process [2023-12-16 18:17:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:43,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:17:43,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:43,649 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 18:17:43,649 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:43,649 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:43,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197589846] [2023-12-16 18:17:43,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197589846] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:43,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:43,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:17:43,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715171970] [2023-12-16 18:17:43,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:43,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:17:43,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:43,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:17:43,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:17:43,650 INFO L87 Difference]: Start difference. First operand 1987 states and 2661 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 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 18:17:44,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:44,363 INFO L93 Difference]: Finished difference Result 2754 states and 3710 transitions. [2023-12-16 18:17:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 18:17:44,364 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 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 66 [2023-12-16 18:17:44,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:44,366 INFO L225 Difference]: With dead ends: 2754 [2023-12-16 18:17:44,366 INFO L226 Difference]: Without dead ends: 2166 [2023-12-16 18:17:44,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:17:44,367 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 813 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:44,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 931 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 18:17:44,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2023-12-16 18:17:44,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 1968. [2023-12-16 18:17:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1968 states, 1967 states have (on average 1.3390950686324352) internal successors, (2634), 1967 states have internal predecessors, (2634), 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 18:17:44,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 2634 transitions. [2023-12-16 18:17:44,387 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 2634 transitions. Word has length 66 [2023-12-16 18:17:44,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:44,388 INFO L495 AbstractCegarLoop]: Abstraction has 1968 states and 2634 transitions. [2023-12-16 18:17:44,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 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 18:17:44,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2634 transitions. [2023-12-16 18:17:44,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-16 18:17:44,389 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:44,389 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] [2023-12-16 18:17:44,392 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 (21)] Forceful destruction successful, exit code 0 [2023-12-16 18:17:44,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:44,592 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:44,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:44,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1121355981, now seen corresponding path program 1 times [2023-12-16 18:17:44,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:44,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499865758] [2023-12-16 18:17:44,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:44,593 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 18:17:44,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:44,594 INFO L229 MonitoredProcess]: Starting monitored process 22 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 18:17:44,596 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 (22)] Waiting until timeout for monitored process [2023-12-16 18:17:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:44,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:17:44,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:44,952 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 18:17:44,952 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:44,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:44,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499865758] [2023-12-16 18:17:44,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499865758] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:44,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:44,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:17:44,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52824746] [2023-12-16 18:17:44,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:44,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:17:44,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:44,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:17:44,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:17:44,953 INFO L87 Difference]: Start difference. First operand 1968 states and 2634 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 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 18:17:45,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:45,739 INFO L93 Difference]: Finished difference Result 3152 states and 4259 transitions. [2023-12-16 18:17:45,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 18:17:45,740 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 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 67 [2023-12-16 18:17:45,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:45,741 INFO L225 Difference]: With dead ends: 3152 [2023-12-16 18:17:45,741 INFO L226 Difference]: Without dead ends: 2054 [2023-12-16 18:17:45,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-16 18:17:45,742 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 1341 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1341 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:45,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1341 Valid, 877 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 18:17:45,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2023-12-16 18:17:45,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 1867. [2023-12-16 18:17:45,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1867 states, 1866 states have (on average 1.3392282958199357) internal successors, (2499), 1866 states have internal predecessors, (2499), 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 18:17:45,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 2499 transitions. [2023-12-16 18:17:45,756 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 2499 transitions. Word has length 67 [2023-12-16 18:17:45,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:45,757 INFO L495 AbstractCegarLoop]: Abstraction has 1867 states and 2499 transitions. [2023-12-16 18:17:45,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 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 18:17:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2499 transitions. [2023-12-16 18:17:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-16 18:17:45,758 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:45,758 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] [2023-12-16 18:17:45,764 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 (22)] Forceful destruction successful, exit code 0 [2023-12-16 18:17:45,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:45,961 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:45,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:45,961 INFO L85 PathProgramCache]: Analyzing trace with hash -426569645, now seen corresponding path program 1 times [2023-12-16 18:17:45,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:45,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146439676] [2023-12-16 18:17:45,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:45,962 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 18:17:45,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:45,962 INFO L229 MonitoredProcess]: Starting monitored process 23 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 18:17:45,963 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 (23)] Waiting until timeout for monitored process [2023-12-16 18:17:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:46,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 18:17:46,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:46,078 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 18:17:46,078 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:46,078 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:46,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146439676] [2023-12-16 18:17:46,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [146439676] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:46,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:46,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 18:17:46,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184251074] [2023-12-16 18:17:46,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:46,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 18:17:46,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:46,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 18:17:46,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 18:17:46,079 INFO L87 Difference]: Start difference. First operand 1867 states and 2499 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 18:17:46,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:46,113 INFO L93 Difference]: Finished difference Result 4360 states and 5988 transitions. [2023-12-16 18:17:46,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 18:17:46,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 67 [2023-12-16 18:17:46,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:46,116 INFO L225 Difference]: With dead ends: 4360 [2023-12-16 18:17:46,116 INFO L226 Difference]: Without dead ends: 2959 [2023-12-16 18:17:46,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 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 18:17:46,117 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 154 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:46,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 470 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:17:46,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2959 states. [2023-12-16 18:17:46,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2959 to 2957. [2023-12-16 18:17:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2957 states, 2956 states have (on average 1.3565629228687415) internal successors, (4010), 2956 states have internal predecessors, (4010), 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 18:17:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 2957 states and 4010 transitions. [2023-12-16 18:17:46,139 INFO L78 Accepts]: Start accepts. Automaton has 2957 states and 4010 transitions. Word has length 67 [2023-12-16 18:17:46,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:46,139 INFO L495 AbstractCegarLoop]: Abstraction has 2957 states and 4010 transitions. [2023-12-16 18:17:46,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 18:17:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 4010 transitions. [2023-12-16 18:17:46,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-16 18:17:46,140 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:46,140 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] [2023-12-16 18:17:46,144 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 (23)] Forceful destruction successful, exit code 0 [2023-12-16 18:17:46,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:46,343 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:46,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:46,343 INFO L85 PathProgramCache]: Analyzing trace with hash -124436595, now seen corresponding path program 1 times [2023-12-16 18:17:46,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:46,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100521166] [2023-12-16 18:17:46,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:46,344 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 18:17:46,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:46,345 INFO L229 MonitoredProcess]: Starting monitored process 24 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 18:17:46,346 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 (24)] Waiting until timeout for monitored process [2023-12-16 18:17:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:46,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 18:17:46,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:46,466 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 18:17:46,466 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:46,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:46,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100521166] [2023-12-16 18:17:46,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1100521166] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:46,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:46,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 18:17:46,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537175124] [2023-12-16 18:17:46,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:46,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 18:17:46,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:46,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 18:17:46,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 18:17:46,467 INFO L87 Difference]: Start difference. First operand 2957 states and 4010 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 18:17:46,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:46,502 INFO L93 Difference]: Finished difference Result 7359 states and 10174 transitions. [2023-12-16 18:17:46,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 18:17:46,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 68 [2023-12-16 18:17:46,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:46,505 INFO L225 Difference]: With dead ends: 7359 [2023-12-16 18:17:46,505 INFO L226 Difference]: Without dead ends: 4868 [2023-12-16 18:17:46,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 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 18:17:46,507 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 149 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:46,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 450 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:17:46,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4868 states. [2023-12-16 18:17:46,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4868 to 4866. [2023-12-16 18:17:46,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4866 states, 4865 states have (on average 1.3671120246659816) internal successors, (6651), 4865 states have internal predecessors, (6651), 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 18:17:46,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4866 states to 4866 states and 6651 transitions. [2023-12-16 18:17:46,540 INFO L78 Accepts]: Start accepts. Automaton has 4866 states and 6651 transitions. Word has length 68 [2023-12-16 18:17:46,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:46,540 INFO L495 AbstractCegarLoop]: Abstraction has 4866 states and 6651 transitions. [2023-12-16 18:17:46,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 18:17:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand 4866 states and 6651 transitions. [2023-12-16 18:17:46,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-16 18:17:46,542 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:46,542 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] [2023-12-16 18:17:46,544 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 (24)] Ended with exit code 0 [2023-12-16 18:17:46,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:46,744 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:46,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:46,745 INFO L85 PathProgramCache]: Analyzing trace with hash 432123188, now seen corresponding path program 1 times [2023-12-16 18:17:46,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:46,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841843915] [2023-12-16 18:17:46,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:46,745 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 18:17:46,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:46,746 INFO L229 MonitoredProcess]: Starting monitored process 25 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 18:17:46,747 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 (25)] Waiting until timeout for monitored process [2023-12-16 18:17:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:46,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 18:17:46,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:46,864 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 18:17:46,864 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:46,865 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:46,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1841843915] [2023-12-16 18:17:46,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1841843915] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:46,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:46,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 18:17:46,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011074541] [2023-12-16 18:17:46,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:46,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 18:17:46,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:46,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 18:17:46,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 18:17:46,866 INFO L87 Difference]: Start difference. First operand 4866 states and 6651 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 18:17:46,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:46,909 INFO L93 Difference]: Finished difference Result 12098 states and 16733 transitions. [2023-12-16 18:17:46,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 18:17:46,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 70 [2023-12-16 18:17:46,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:46,915 INFO L225 Difference]: With dead ends: 12098 [2023-12-16 18:17:46,916 INFO L226 Difference]: Without dead ends: 7613 [2023-12-16 18:17:46,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 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 18:17:46,921 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 145 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:46,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 448 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:17:46,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7613 states. [2023-12-16 18:17:46,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7613 to 7611. [2023-12-16 18:17:46,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7611 states, 7610 states have (on average 1.361629434954008) internal successors, (10362), 7610 states have internal predecessors, (10362), 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 18:17:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7611 states to 7611 states and 10362 transitions. [2023-12-16 18:17:46,993 INFO L78 Accepts]: Start accepts. Automaton has 7611 states and 10362 transitions. Word has length 70 [2023-12-16 18:17:46,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:46,993 INFO L495 AbstractCegarLoop]: Abstraction has 7611 states and 10362 transitions. [2023-12-16 18:17:46,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 18:17:46,993 INFO L276 IsEmpty]: Start isEmpty. Operand 7611 states and 10362 transitions. [2023-12-16 18:17:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-16 18:17:46,994 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:46,994 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] [2023-12-16 18:17:46,997 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 (25)] Ended with exit code 0 [2023-12-16 18:17:47,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:47,197 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:47,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:47,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1536040245, now seen corresponding path program 1 times [2023-12-16 18:17:47,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:47,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1665198759] [2023-12-16 18:17:47,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:47,198 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 18:17:47,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:47,199 INFO L229 MonitoredProcess]: Starting monitored process 26 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 18:17:47,205 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 (26)] Waiting until timeout for monitored process [2023-12-16 18:17:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:47,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:17:47,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:47,558 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 18:17:47,559 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:47,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:47,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1665198759] [2023-12-16 18:17:47,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1665198759] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:47,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:47,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:17:47,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013720916] [2023-12-16 18:17:47,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:47,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:17:47,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:47,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:17:47,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:47,560 INFO L87 Difference]: Start difference. First operand 7611 states and 10362 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 18:17:47,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:47,648 INFO L93 Difference]: Finished difference Result 24360 states and 33393 transitions. [2023-12-16 18:17:47,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:17:47,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 71 [2023-12-16 18:17:47,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:47,662 INFO L225 Difference]: With dead ends: 24360 [2023-12-16 18:17:47,663 INFO L226 Difference]: Without dead ends: 17558 [2023-12-16 18:17:47,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:47,671 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 508 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:47,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 553 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 18:17:47,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17558 states. [2023-12-16 18:17:47,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17558 to 14468. [2023-12-16 18:17:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14468 states, 14467 states have (on average 1.3319278357641529) internal successors, (19269), 14467 states have internal predecessors, (19269), 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 18:17:47,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14468 states to 14468 states and 19269 transitions. [2023-12-16 18:17:47,807 INFO L78 Accepts]: Start accepts. Automaton has 14468 states and 19269 transitions. Word has length 71 [2023-12-16 18:17:47,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:47,807 INFO L495 AbstractCegarLoop]: Abstraction has 14468 states and 19269 transitions. [2023-12-16 18:17:47,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 18:17:47,807 INFO L276 IsEmpty]: Start isEmpty. Operand 14468 states and 19269 transitions. [2023-12-16 18:17:47,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-16 18:17:47,808 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:47,808 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] [2023-12-16 18:17:47,813 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 (26)] Forceful destruction successful, exit code 0 [2023-12-16 18:17:48,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:48,011 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:48,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:48,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1860008545, now seen corresponding path program 1 times [2023-12-16 18:17:48,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:48,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388899098] [2023-12-16 18:17:48,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:48,012 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 18:17:48,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:48,013 INFO L229 MonitoredProcess]: Starting monitored process 27 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 18:17:48,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2023-12-16 18:17:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:48,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 18:17:48,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:48,142 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 18:17:48,142 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:48,142 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:48,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388899098] [2023-12-16 18:17:48,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388899098] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:48,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:48,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:17:48,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386316565] [2023-12-16 18:17:48,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:48,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:17:48,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:48,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:17:48,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:48,143 INFO L87 Difference]: Start difference. First operand 14468 states and 19269 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 18:17:48,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:48,253 INFO L93 Difference]: Finished difference Result 31204 states and 40852 transitions. [2023-12-16 18:17:48,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 18:17:48,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 72 [2023-12-16 18:17:48,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:48,331 INFO L225 Difference]: With dead ends: 31204 [2023-12-16 18:17:48,331 INFO L226 Difference]: Without dead ends: 31202 [2023-12-16 18:17:48,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:17:48,335 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 339 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:48,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 927 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:17:48,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31202 states. [2023-12-16 18:17:48,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31202 to 16052. [2023-12-16 18:17:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16052 states, 16051 states have (on average 1.29917139119058) internal successors, (20853), 16051 states have internal predecessors, (20853), 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 18:17:48,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16052 states to 16052 states and 20853 transitions. [2023-12-16 18:17:48,485 INFO L78 Accepts]: Start accepts. Automaton has 16052 states and 20853 transitions. Word has length 72 [2023-12-16 18:17:48,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:48,485 INFO L495 AbstractCegarLoop]: Abstraction has 16052 states and 20853 transitions. [2023-12-16 18:17:48,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 18:17:48,485 INFO L276 IsEmpty]: Start isEmpty. Operand 16052 states and 20853 transitions. [2023-12-16 18:17:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-16 18:17:48,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:48,487 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] [2023-12-16 18:17:48,489 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 (27)] Ended with exit code 0 [2023-12-16 18:17:48,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:48,689 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:48,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:48,689 INFO L85 PathProgramCache]: Analyzing trace with hash 134066200, now seen corresponding path program 1 times [2023-12-16 18:17:48,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:48,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143586969] [2023-12-16 18:17:48,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:48,690 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 18:17:48,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:48,690 INFO L229 MonitoredProcess]: Starting monitored process 28 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 18:17:48,716 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 (28)] Waiting until timeout for monitored process [2023-12-16 18:17:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:48,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 18:17:48,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:48,872 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 18:17:48,873 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:48,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:48,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143586969] [2023-12-16 18:17:48,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143586969] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:48,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:48,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:17:48,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472709451] [2023-12-16 18:17:48,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:48,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:17:48,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:48,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:17:48,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:17:48,874 INFO L87 Difference]: Start difference. First operand 16052 states and 20853 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 18:17:48,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:48,956 INFO L93 Difference]: Finished difference Result 36010 states and 46797 transitions. [2023-12-16 18:17:48,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:17:48,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 73 [2023-12-16 18:17:48,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:48,978 INFO L225 Difference]: With dead ends: 36010 [2023-12-16 18:17:48,978 INFO L226 Difference]: Without dead ends: 20396 [2023-12-16 18:17:48,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:17:48,993 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 168 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:48,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 549 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:17:49,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20396 states. [2023-12-16 18:17:49,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20396 to 20242. [2023-12-16 18:17:49,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20242 states, 20241 states have (on average 1.2828911615038783) internal successors, (25967), 20241 states have internal predecessors, (25967), 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 18:17:49,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20242 states to 20242 states and 25967 transitions. [2023-12-16 18:17:49,260 INFO L78 Accepts]: Start accepts. Automaton has 20242 states and 25967 transitions. Word has length 73 [2023-12-16 18:17:49,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:49,260 INFO L495 AbstractCegarLoop]: Abstraction has 20242 states and 25967 transitions. [2023-12-16 18:17:49,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 18:17:49,261 INFO L276 IsEmpty]: Start isEmpty. Operand 20242 states and 25967 transitions. [2023-12-16 18:17:49,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-16 18:17:49,262 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:49,262 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] [2023-12-16 18:17:49,264 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 (28)] Forceful destruction successful, exit code 0 [2023-12-16 18:17:49,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:49,463 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:49,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:49,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1274470703, now seen corresponding path program 1 times [2023-12-16 18:17:49,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:49,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076820221] [2023-12-16 18:17:49,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:49,464 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 18:17:49,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:49,464 INFO L229 MonitoredProcess]: Starting monitored process 29 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 18:17:49,465 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 (29)] Waiting until timeout for monitored process [2023-12-16 18:17:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:49,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 18:17:49,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:49,680 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 18:17:49,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:49,680 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:49,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076820221] [2023-12-16 18:17:49,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076820221] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:49,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:49,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:17:49,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133772290] [2023-12-16 18:17:49,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:49,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 18:17:49,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:49,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 18:17:49,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:17:49,681 INFO L87 Difference]: Start difference. First operand 20242 states and 25967 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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 18:17:49,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:49,966 INFO L93 Difference]: Finished difference Result 40919 states and 51902 transitions. [2023-12-16 18:17:49,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 18:17:49,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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 73 [2023-12-16 18:17:49,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:49,997 INFO L225 Difference]: With dead ends: 40919 [2023-12-16 18:17:49,997 INFO L226 Difference]: Without dead ends: 29182 [2023-12-16 18:17:50,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-12-16 18:17:50,011 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 879 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:50,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 553 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 18:17:50,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29182 states. [2023-12-16 18:17:50,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29182 to 20184. [2023-12-16 18:17:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20184 states, 20183 states have (on average 1.283060000990933) internal successors, (25896), 20183 states have internal predecessors, (25896), 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 18:17:50,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20184 states to 20184 states and 25896 transitions. [2023-12-16 18:17:50,283 INFO L78 Accepts]: Start accepts. Automaton has 20184 states and 25896 transitions. Word has length 73 [2023-12-16 18:17:50,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:50,283 INFO L495 AbstractCegarLoop]: Abstraction has 20184 states and 25896 transitions. [2023-12-16 18:17:50,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 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 18:17:50,283 INFO L276 IsEmpty]: Start isEmpty. Operand 20184 states and 25896 transitions. [2023-12-16 18:17:50,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-16 18:17:50,284 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:50,284 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] [2023-12-16 18:17:50,287 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 (29)] Forceful destruction successful, exit code 0 [2023-12-16 18:17:50,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:50,485 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:50,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:50,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2035560395, now seen corresponding path program 1 times [2023-12-16 18:17:50,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:50,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911715475] [2023-12-16 18:17:50,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:50,486 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 18:17:50,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:50,486 INFO L229 MonitoredProcess]: Starting monitored process 30 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 18:17:50,487 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 (30)] Waiting until timeout for monitored process [2023-12-16 18:17:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:50,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:17:50,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:50,863 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 18:17:50,863 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:50,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:50,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911715475] [2023-12-16 18:17:50,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911715475] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:50,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:50,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:17:50,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721936387] [2023-12-16 18:17:50,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:50,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:17:50,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:50,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:17:50,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:17:50,864 INFO L87 Difference]: Start difference. First operand 20184 states and 25896 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 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 18:17:51,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:51,576 INFO L93 Difference]: Finished difference Result 22676 states and 29145 transitions. [2023-12-16 18:17:51,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 18:17:51,576 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 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 75 [2023-12-16 18:17:51,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:51,598 INFO L225 Difference]: With dead ends: 22676 [2023-12-16 18:17:51,598 INFO L226 Difference]: Without dead ends: 21473 [2023-12-16 18:17:51,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:17:51,610 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 681 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:51,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [681 Valid, 789 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 18:17:51,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21473 states. [2023-12-16 18:17:51,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21473 to 20173. [2023-12-16 18:17:51,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20173 states, 20172 states have (on average 1.283164782867341) internal successors, (25884), 20172 states have internal predecessors, (25884), 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 18:17:51,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20173 states to 20173 states and 25884 transitions. [2023-12-16 18:17:51,795 INFO L78 Accepts]: Start accepts. Automaton has 20173 states and 25884 transitions. Word has length 75 [2023-12-16 18:17:51,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:51,795 INFO L495 AbstractCegarLoop]: Abstraction has 20173 states and 25884 transitions. [2023-12-16 18:17:51,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 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 18:17:51,795 INFO L276 IsEmpty]: Start isEmpty. Operand 20173 states and 25884 transitions. [2023-12-16 18:17:51,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-16 18:17:51,796 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:51,796 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] [2023-12-16 18:17:51,799 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 (30)] Ended with exit code 0 [2023-12-16 18:17:51,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:51,997 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:51,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:51,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1283818898, now seen corresponding path program 1 times [2023-12-16 18:17:51,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:51,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [474666182] [2023-12-16 18:17:51,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:51,998 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 18:17:51,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:51,998 INFO L229 MonitoredProcess]: Starting monitored process 31 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 18:17:51,999 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 (31)] Waiting until timeout for monitored process [2023-12-16 18:17:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:52,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:17:52,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:52,360 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 18:17:52,361 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:52,361 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:52,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [474666182] [2023-12-16 18:17:52,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [474666182] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:52,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:52,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:17:52,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550621531] [2023-12-16 18:17:52,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:52,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:17:52,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:52,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:17:52,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:52,362 INFO L87 Difference]: Start difference. First operand 20173 states and 25884 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 18:17:52,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:52,459 INFO L93 Difference]: Finished difference Result 27475 states and 35539 transitions. [2023-12-16 18:17:52,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:17:52,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 76 [2023-12-16 18:17:52,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:52,482 INFO L225 Difference]: With dead ends: 27475 [2023-12-16 18:17:52,483 INFO L226 Difference]: Without dead ends: 22691 [2023-12-16 18:17:52,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:52,492 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 517 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:52,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 741 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 18:17:52,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22691 states. [2023-12-16 18:17:52,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22691 to 21203. [2023-12-16 18:17:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21203 states, 21202 states have (on average 1.2773323271389492) internal successors, (27082), 21202 states have internal predecessors, (27082), 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 18:17:52,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21203 states to 21203 states and 27082 transitions. [2023-12-16 18:17:52,661 INFO L78 Accepts]: Start accepts. Automaton has 21203 states and 27082 transitions. Word has length 76 [2023-12-16 18:17:52,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:52,662 INFO L495 AbstractCegarLoop]: Abstraction has 21203 states and 27082 transitions. [2023-12-16 18:17:52,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 18:17:52,662 INFO L276 IsEmpty]: Start isEmpty. Operand 21203 states and 27082 transitions. [2023-12-16 18:17:52,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-16 18:17:52,663 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:52,663 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] [2023-12-16 18:17:52,665 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 (31)] Forceful destruction successful, exit code 0 [2023-12-16 18:17:52,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:52,863 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:52,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:52,864 INFO L85 PathProgramCache]: Analyzing trace with hash -490024547, now seen corresponding path program 1 times [2023-12-16 18:17:52,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:52,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792028997] [2023-12-16 18:17:52,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:52,864 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 18:17:52,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:52,865 INFO L229 MonitoredProcess]: Starting monitored process 32 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 18:17:52,879 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 (32)] Waiting until timeout for monitored process [2023-12-16 18:17:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:52,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:17:52,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:53,254 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 18:17:53,254 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:53,255 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:53,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [792028997] [2023-12-16 18:17:53,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [792028997] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:53,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:53,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:17:53,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467036508] [2023-12-16 18:17:53,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:53,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:17:53,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:53,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:17:53,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:53,256 INFO L87 Difference]: Start difference. First operand 21203 states and 27082 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 18:17:53,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:53,370 INFO L93 Difference]: Finished difference Result 31169 states and 40341 transitions. [2023-12-16 18:17:53,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:17:53,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 76 [2023-12-16 18:17:53,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:53,394 INFO L225 Difference]: With dead ends: 31169 [2023-12-16 18:17:53,394 INFO L226 Difference]: Without dead ends: 22705 [2023-12-16 18:17:53,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:53,404 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 347 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:53,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 751 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:17:53,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22705 states. [2023-12-16 18:17:53,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22705 to 21145. [2023-12-16 18:17:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21145 states, 21144 states have (on average 1.2648505486189936) internal successors, (26744), 21144 states have internal predecessors, (26744), 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 18:17:53,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21145 states to 21145 states and 26744 transitions. [2023-12-16 18:17:53,635 INFO L78 Accepts]: Start accepts. Automaton has 21145 states and 26744 transitions. Word has length 76 [2023-12-16 18:17:53,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:53,635 INFO L495 AbstractCegarLoop]: Abstraction has 21145 states and 26744 transitions. [2023-12-16 18:17:53,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 18:17:53,635 INFO L276 IsEmpty]: Start isEmpty. Operand 21145 states and 26744 transitions. [2023-12-16 18:17:53,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-16 18:17:53,636 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:53,636 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] [2023-12-16 18:17:53,639 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 (32)] Forceful destruction successful, exit code 0 [2023-12-16 18:17:53,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:53,839 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:53,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:53,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1987188899, now seen corresponding path program 1 times [2023-12-16 18:17:53,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:53,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413424123] [2023-12-16 18:17:53,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:53,839 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 18:17:53,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:53,840 INFO L229 MonitoredProcess]: Starting monitored process 33 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 18:17:53,842 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 (33)] Waiting until timeout for monitored process [2023-12-16 18:17:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:53,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:17:53,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:54,215 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 18:17:54,215 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:54,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:54,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413424123] [2023-12-16 18:17:54,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1413424123] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:54,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:54,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:17:54,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689845442] [2023-12-16 18:17:54,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:54,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:17:54,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:54,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:17:54,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:54,216 INFO L87 Difference]: Start difference. First operand 21145 states and 26744 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 18:17:54,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:54,318 INFO L93 Difference]: Finished difference Result 27995 states and 35755 transitions. [2023-12-16 18:17:54,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:17:54,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 76 [2023-12-16 18:17:54,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:54,339 INFO L225 Difference]: With dead ends: 27995 [2023-12-16 18:17:54,340 INFO L226 Difference]: Without dead ends: 22397 [2023-12-16 18:17:54,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:17:54,349 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 342 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:54,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 768 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 18:17:54,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22397 states. [2023-12-16 18:17:54,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22397 to 21893. [2023-12-16 18:17:54,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21893 states, 21892 states have (on average 1.2592727937145989) internal successors, (27568), 21892 states have internal predecessors, (27568), 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 18:17:54,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21893 states to 21893 states and 27568 transitions. [2023-12-16 18:17:54,565 INFO L78 Accepts]: Start accepts. Automaton has 21893 states and 27568 transitions. Word has length 76 [2023-12-16 18:17:54,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:54,565 INFO L495 AbstractCegarLoop]: Abstraction has 21893 states and 27568 transitions. [2023-12-16 18:17:54,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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 18:17:54,565 INFO L276 IsEmpty]: Start isEmpty. Operand 21893 states and 27568 transitions. [2023-12-16 18:17:54,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-16 18:17:54,569 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:54,569 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:17:54,572 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 (33)] Ended with exit code 0 [2023-12-16 18:17:54,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:54,772 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:54,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:54,772 INFO L85 PathProgramCache]: Analyzing trace with hash -365813274, now seen corresponding path program 1 times [2023-12-16 18:17:54,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:54,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449339584] [2023-12-16 18:17:54,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:54,773 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 18:17:54,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:54,773 INFO L229 MonitoredProcess]: Starting monitored process 34 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 18:17:54,774 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 (34)] Waiting until timeout for monitored process [2023-12-16 18:17:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:54,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:17:54,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:17:55,329 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 18:17:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:17:55,523 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:55,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449339584] [2023-12-16 18:17:55,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1449339584] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 18:17:55,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 18:17:55,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2023-12-16 18:17:55,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307825516] [2023-12-16 18:17:55,523 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 18:17:55,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-16 18:17:55,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:55,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-16 18:17:55,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-12-16 18:17:55,524 INFO L87 Difference]: Start difference. First operand 21893 states and 27568 transitions. Second operand has 16 states, 16 states have (on average 10.6875) internal successors, (171), 15 states have internal predecessors, (171), 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 18:17:57,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:17:57,954 INFO L93 Difference]: Finished difference Result 90945 states and 115217 transitions. [2023-12-16 18:17:57,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-16 18:17:57,954 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 15 states have internal predecessors, (171), 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 92 [2023-12-16 18:17:57,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:17:58,028 INFO L225 Difference]: With dead ends: 90945 [2023-12-16 18:17:58,029 INFO L226 Difference]: Without dead ends: 69611 [2023-12-16 18:17:58,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=522, Invalid=1830, Unknown=0, NotChecked=0, Total=2352 [2023-12-16 18:17:58,059 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 3483 mSDsluCounter, 1904 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3483 SdHoareTripleChecker+Valid, 2161 SdHoareTripleChecker+Invalid, 1645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:17:58,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3483 Valid, 2161 Invalid, 1645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1618 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 18:17:58,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69611 states. [2023-12-16 18:17:58,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69611 to 24739. [2023-12-16 18:17:58,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24739 states, 24738 states have (on average 1.2590346834829007) internal successors, (31146), 24738 states have internal predecessors, (31146), 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 18:17:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24739 states to 24739 states and 31146 transitions. [2023-12-16 18:17:58,509 INFO L78 Accepts]: Start accepts. Automaton has 24739 states and 31146 transitions. Word has length 92 [2023-12-16 18:17:58,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:17:58,509 INFO L495 AbstractCegarLoop]: Abstraction has 24739 states and 31146 transitions. [2023-12-16 18:17:58,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.6875) internal successors, (171), 15 states have internal predecessors, (171), 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 18:17:58,509 INFO L276 IsEmpty]: Start isEmpty. Operand 24739 states and 31146 transitions. [2023-12-16 18:17:58,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-16 18:17:58,513 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:17:58,514 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:17:58,516 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 (34)] Ended with exit code 0 [2023-12-16 18:17:58,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:17:58,714 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:17:58,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:17:58,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1504612839, now seen corresponding path program 1 times [2023-12-16 18:17:58,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:17:58,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2017716586] [2023-12-16 18:17:58,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:17:58,715 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 18:17:58,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:17:58,716 INFO L229 MonitoredProcess]: Starting monitored process 35 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 18:17:58,716 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 (35)] Waiting until timeout for monitored process [2023-12-16 18:17:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:17:58,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:17:58,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:17:59,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:17:59,259 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:17:59,259 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:17:59,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2017716586] [2023-12-16 18:17:59,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2017716586] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:17:59,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:17:59,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 18:17:59,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264801376] [2023-12-16 18:17:59,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:17:59,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 18:17:59,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:17:59,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 18:17:59,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-16 18:17:59,261 INFO L87 Difference]: Start difference. First operand 24739 states and 31146 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 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 18:18:00,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:00,475 INFO L93 Difference]: Finished difference Result 37444 states and 46978 transitions. [2023-12-16 18:18:00,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-16 18:18:00,475 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 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 92 [2023-12-16 18:18:00,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:00,503 INFO L225 Difference]: With dead ends: 37444 [2023-12-16 18:18:00,503 INFO L226 Difference]: Without dead ends: 26364 [2023-12-16 18:18:00,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2023-12-16 18:18:00,518 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 1022 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:00,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1022 Valid, 1026 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 18:18:00,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26364 states. [2023-12-16 18:18:00,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26364 to 24047. [2023-12-16 18:18:00,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24047 states, 24046 states have (on average 1.2536804458121933) internal successors, (30146), 24046 states have internal predecessors, (30146), 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 18:18:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24047 states to 24047 states and 30146 transitions. [2023-12-16 18:18:00,778 INFO L78 Accepts]: Start accepts. Automaton has 24047 states and 30146 transitions. Word has length 92 [2023-12-16 18:18:00,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:00,779 INFO L495 AbstractCegarLoop]: Abstraction has 24047 states and 30146 transitions. [2023-12-16 18:18:00,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 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 18:18:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand 24047 states and 30146 transitions. [2023-12-16 18:18:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-16 18:18:00,782 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:00,783 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:18:00,785 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 (35)] Ended with exit code 0 [2023-12-16 18:18:00,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:00,983 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:00,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:00,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1675726985, now seen corresponding path program 1 times [2023-12-16 18:18:00,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:00,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359226801] [2023-12-16 18:18:00,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:00,984 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 18:18:00,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:00,985 INFO L229 MonitoredProcess]: Starting monitored process 36 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 18:18:00,986 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 (36)] Waiting until timeout for monitored process [2023-12-16 18:18:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:01,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:18:01,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:01,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 18:18:01,821 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:01,821 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:01,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359226801] [2023-12-16 18:18:01,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359226801] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 18:18:01,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 18:18:01,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2023-12-16 18:18:01,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304205644] [2023-12-16 18:18:01,821 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 18:18:01,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-16 18:18:01,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:01,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-16 18:18:01,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-12-16 18:18:01,822 INFO L87 Difference]: Start difference. First operand 24047 states and 30146 transitions. Second operand has 16 states, 16 states have (on average 10.9375) internal successors, (175), 15 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:18:03,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:03,618 INFO L93 Difference]: Finished difference Result 65625 states and 82123 transitions. [2023-12-16 18:18:03,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-16 18:18:03,619 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.9375) internal successors, (175), 15 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2023-12-16 18:18:03,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:03,662 INFO L225 Difference]: With dead ends: 65625 [2023-12-16 18:18:03,663 INFO L226 Difference]: Without dead ends: 42457 [2023-12-16 18:18:03,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=460, Invalid=1100, Unknown=0, NotChecked=0, Total=1560 [2023-12-16 18:18:03,683 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 2050 mSDsluCounter, 1652 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2050 SdHoareTripleChecker+Valid, 1971 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:03,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2050 Valid, 1971 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 18:18:03,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42457 states. [2023-12-16 18:18:03,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42457 to 25665. [2023-12-16 18:18:04,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25665 states, 25664 states have (on average 1.246181421446384) internal successors, (31982), 25664 states have internal predecessors, (31982), 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 18:18:04,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25665 states to 25665 states and 31982 transitions. [2023-12-16 18:18:04,042 INFO L78 Accepts]: Start accepts. Automaton has 25665 states and 31982 transitions. Word has length 92 [2023-12-16 18:18:04,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:04,042 INFO L495 AbstractCegarLoop]: Abstraction has 25665 states and 31982 transitions. [2023-12-16 18:18:04,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.9375) internal successors, (175), 15 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:18:04,042 INFO L276 IsEmpty]: Start isEmpty. Operand 25665 states and 31982 transitions. [2023-12-16 18:18:04,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-16 18:18:04,046 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:04,046 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:18:04,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2023-12-16 18:18:04,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:04,246 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:04,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:04,247 INFO L85 PathProgramCache]: Analyzing trace with hash -225364972, now seen corresponding path program 1 times [2023-12-16 18:18:04,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:04,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960743499] [2023-12-16 18:18:04,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:04,247 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 18:18:04,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:04,248 INFO L229 MonitoredProcess]: Starting monitored process 37 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 18:18:04,250 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 (37)] Waiting until timeout for monitored process [2023-12-16 18:18:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:04,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:18:04,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:04,454 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 18:18:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:04,568 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:04,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960743499] [2023-12-16 18:18:04,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960743499] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 18:18:04,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 18:18:04,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-12-16 18:18:04,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481527083] [2023-12-16 18:18:04,569 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 18:18:04,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:18:04,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:04,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:18:04,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:18:04,569 INFO L87 Difference]: Start difference. First operand 25665 states and 31982 transitions. Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 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 18:18:04,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:04,737 INFO L93 Difference]: Finished difference Result 71080 states and 89100 transitions. [2023-12-16 18:18:04,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 18:18:04,737 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 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 93 [2023-12-16 18:18:04,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:04,797 INFO L225 Difference]: With dead ends: 71080 [2023-12-16 18:18:04,797 INFO L226 Difference]: Without dead ends: 52016 [2023-12-16 18:18:04,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:18:04,818 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 736 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:04,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 1001 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:18:04,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52016 states. [2023-12-16 18:18:05,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52016 to 41399. [2023-12-16 18:18:05,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41399 states, 41398 states have (on average 1.2330788927001304) internal successors, (51047), 41398 states have internal predecessors, (51047), 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 18:18:05,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41399 states to 41399 states and 51047 transitions. [2023-12-16 18:18:05,224 INFO L78 Accepts]: Start accepts. Automaton has 41399 states and 51047 transitions. Word has length 93 [2023-12-16 18:18:05,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:05,224 INFO L495 AbstractCegarLoop]: Abstraction has 41399 states and 51047 transitions. [2023-12-16 18:18:05,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 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 18:18:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 41399 states and 51047 transitions. [2023-12-16 18:18:05,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-16 18:18:05,230 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:05,230 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] [2023-12-16 18:18:05,232 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 (37)] Ended with exit code 0 [2023-12-16 18:18:05,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:05,432 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:05,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:05,432 INFO L85 PathProgramCache]: Analyzing trace with hash -565270020, now seen corresponding path program 1 times [2023-12-16 18:18:05,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:05,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1763358233] [2023-12-16 18:18:05,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:05,433 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 18:18:05,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:05,433 INFO L229 MonitoredProcess]: Starting monitored process 38 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 18:18:05,614 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 (38)] Waiting until timeout for monitored process [2023-12-16 18:18:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:05,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 18:18:05,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:05,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:05,772 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:18:05,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:05,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1763358233] [2023-12-16 18:18:05,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1763358233] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:18:05,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:18:05,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 18:18:05,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412515737] [2023-12-16 18:18:05,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:18:05,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 18:18:05,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:05,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 18:18:05,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 18:18:05,774 INFO L87 Difference]: Start difference. First operand 41399 states and 51047 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:18:05,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:05,982 INFO L93 Difference]: Finished difference Result 72354 states and 89344 transitions. [2023-12-16 18:18:05,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 18:18:05,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2023-12-16 18:18:05,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:06,011 INFO L225 Difference]: With dead ends: 72354 [2023-12-16 18:18:06,012 INFO L226 Difference]: Without dead ends: 31787 [2023-12-16 18:18:06,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 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 18:18:06,031 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 117 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:06,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 430 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:18:06,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31787 states. [2023-12-16 18:18:06,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31787 to 30532. [2023-12-16 18:18:06,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30532 states, 30531 states have (on average 1.2167632897710523) internal successors, (37149), 30531 states have internal predecessors, (37149), 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 18:18:06,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30532 states to 30532 states and 37149 transitions. [2023-12-16 18:18:06,325 INFO L78 Accepts]: Start accepts. Automaton has 30532 states and 37149 transitions. Word has length 99 [2023-12-16 18:18:06,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:06,325 INFO L495 AbstractCegarLoop]: Abstraction has 30532 states and 37149 transitions. [2023-12-16 18:18:06,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:18:06,325 INFO L276 IsEmpty]: Start isEmpty. Operand 30532 states and 37149 transitions. [2023-12-16 18:18:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-16 18:18:06,329 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:06,329 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:18:06,332 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 (38)] Ended with exit code 0 [2023-12-16 18:18:06,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:06,530 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:06,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:06,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1043257379, now seen corresponding path program 1 times [2023-12-16 18:18:06,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:06,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [677813594] [2023-12-16 18:18:06,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:06,531 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 18:18:06,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:06,532 INFO L229 MonitoredProcess]: Starting monitored process 39 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 18:18:06,533 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 (39)] Waiting until timeout for monitored process [2023-12-16 18:18:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:06,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 18:18:06,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:06,909 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:18:06,909 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:06,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [677813594] [2023-12-16 18:18:06,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [677813594] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:18:06,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:18:06,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:18:06,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075230417] [2023-12-16 18:18:06,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:18:06,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 18:18:06,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:06,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 18:18:06,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:18:06,910 INFO L87 Difference]: Start difference. First operand 30532 states and 37149 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:18:07,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:07,264 INFO L93 Difference]: Finished difference Result 60635 states and 73403 transitions. [2023-12-16 18:18:07,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 18:18:07,264 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2023-12-16 18:18:07,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:07,291 INFO L225 Difference]: With dead ends: 60635 [2023-12-16 18:18:07,291 INFO L226 Difference]: Without dead ends: 34539 [2023-12-16 18:18:07,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-12-16 18:18:07,300 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 663 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:07,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 448 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 18:18:07,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34539 states. [2023-12-16 18:18:07,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34539 to 29899. [2023-12-16 18:18:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29899 states, 29898 states have (on average 1.2054318014582914) internal successors, (36040), 29898 states have internal predecessors, (36040), 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 18:18:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29899 states to 29899 states and 36040 transitions. [2023-12-16 18:18:07,559 INFO L78 Accepts]: Start accepts. Automaton has 29899 states and 36040 transitions. Word has length 101 [2023-12-16 18:18:07,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:07,559 INFO L495 AbstractCegarLoop]: Abstraction has 29899 states and 36040 transitions. [2023-12-16 18:18:07,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:18:07,559 INFO L276 IsEmpty]: Start isEmpty. Operand 29899 states and 36040 transitions. [2023-12-16 18:18:07,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-16 18:18:07,563 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:07,563 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] [2023-12-16 18:18:07,568 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 (39)] Forceful destruction successful, exit code 0 [2023-12-16 18:18:07,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:07,763 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:07,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:07,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1557862730, now seen corresponding path program 1 times [2023-12-16 18:18:07,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:07,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084943224] [2023-12-16 18:18:07,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:07,764 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 18:18:07,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:07,765 INFO L229 MonitoredProcess]: Starting monitored process 40 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 18:18:07,766 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 (40)] Waiting until timeout for monitored process [2023-12-16 18:18:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:07,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 18:18:07,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:08,114 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 18:18:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:08,165 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:08,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084943224] [2023-12-16 18:18:08,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2084943224] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 18:18:08,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 18:18:08,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-12-16 18:18:08,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734073567] [2023-12-16 18:18:08,165 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 18:18:08,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 18:18:08,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:08,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 18:18:08,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-16 18:18:08,166 INFO L87 Difference]: Start difference. First operand 29899 states and 36040 transitions. Second operand has 9 states, 9 states have (on average 21.333333333333332) internal successors, (192), 9 states have internal predecessors, (192), 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 18:18:08,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:08,530 INFO L93 Difference]: Finished difference Result 74187 states and 89182 transitions. [2023-12-16 18:18:08,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 18:18:08,530 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.333333333333332) internal successors, (192), 9 states have internal predecessors, (192), 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 101 [2023-12-16 18:18:08,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:08,578 INFO L225 Difference]: With dead ends: 74187 [2023-12-16 18:18:08,579 INFO L226 Difference]: Without dead ends: 46893 [2023-12-16 18:18:08,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-16 18:18:08,602 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 964 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:08,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [964 Valid, 653 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 18:18:08,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46893 states. [2023-12-16 18:18:08,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46893 to 32983. [2023-12-16 18:18:09,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32983 states, 32982 states have (on average 1.2038081377721181) internal successors, (39704), 32982 states have internal predecessors, (39704), 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 18:18:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32983 states to 32983 states and 39704 transitions. [2023-12-16 18:18:09,050 INFO L78 Accepts]: Start accepts. Automaton has 32983 states and 39704 transitions. Word has length 101 [2023-12-16 18:18:09,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:09,051 INFO L495 AbstractCegarLoop]: Abstraction has 32983 states and 39704 transitions. [2023-12-16 18:18:09,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.333333333333332) internal successors, (192), 9 states have internal predecessors, (192), 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 18:18:09,051 INFO L276 IsEmpty]: Start isEmpty. Operand 32983 states and 39704 transitions. [2023-12-16 18:18:09,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-16 18:18:09,055 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:09,055 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] [2023-12-16 18:18:09,058 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 (40)] Ended with exit code 0 [2023-12-16 18:18:09,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:09,256 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:09,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:09,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1754365793, now seen corresponding path program 1 times [2023-12-16 18:18:09,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:09,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101084791] [2023-12-16 18:18:09,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:09,257 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 18:18:09,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:09,258 INFO L229 MonitoredProcess]: Starting monitored process 41 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 18:18:09,258 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 (41)] Waiting until timeout for monitored process [2023-12-16 18:18:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:09,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 18:18:09,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:09,534 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:09,534 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 18:18:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:09,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:09,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101084791] [2023-12-16 18:18:09,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1101084791] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 18:18:09,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 18:18:09,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-12-16 18:18:09,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605088104] [2023-12-16 18:18:09,579 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 18:18:09,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 18:18:09,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:09,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 18:18:09,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-16 18:18:09,580 INFO L87 Difference]: Start difference. First operand 32983 states and 39704 transitions. Second operand has 9 states, 9 states have (on average 20.666666666666668) internal successors, (186), 9 states have internal predecessors, (186), 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 18:18:09,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:09,985 INFO L93 Difference]: Finished difference Result 66859 states and 80129 transitions. [2023-12-16 18:18:09,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:18:09,985 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.666666666666668) internal successors, (186), 9 states have internal predecessors, (186), 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 101 [2023-12-16 18:18:09,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:10,019 INFO L225 Difference]: With dead ends: 66859 [2023-12-16 18:18:10,019 INFO L226 Difference]: Without dead ends: 36772 [2023-12-16 18:18:10,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-16 18:18:10,033 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 1141 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1141 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:10,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1141 Valid, 535 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 18:18:10,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36772 states. [2023-12-16 18:18:10,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36772 to 32736. [2023-12-16 18:18:10,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32736 states, 32735 states have (on average 1.185245150450588) internal successors, (38799), 32735 states have internal predecessors, (38799), 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 18:18:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32736 states to 32736 states and 38799 transitions. [2023-12-16 18:18:10,447 INFO L78 Accepts]: Start accepts. Automaton has 32736 states and 38799 transitions. Word has length 101 [2023-12-16 18:18:10,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:10,448 INFO L495 AbstractCegarLoop]: Abstraction has 32736 states and 38799 transitions. [2023-12-16 18:18:10,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.666666666666668) internal successors, (186), 9 states have internal predecessors, (186), 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 18:18:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 32736 states and 38799 transitions. [2023-12-16 18:18:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 18:18:10,452 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:10,452 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:18:10,455 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 (41)] Forceful destruction successful, exit code 0 [2023-12-16 18:18:10,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:10,655 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:10,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:10,655 INFO L85 PathProgramCache]: Analyzing trace with hash -984227769, now seen corresponding path program 1 times [2023-12-16 18:18:10,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:10,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981569444] [2023-12-16 18:18:10,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:10,656 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 18:18:10,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:10,657 INFO L229 MonitoredProcess]: Starting monitored process 42 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 18:18:10,659 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 (42)] Waiting until timeout for monitored process [2023-12-16 18:18:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:10,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 18:18:10,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:11,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-16 18:18:11,232 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:18:11,233 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:11,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981569444] [2023-12-16 18:18:11,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981569444] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:18:11,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:18:11,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 18:18:11,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545258391] [2023-12-16 18:18:11,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:18:11,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 18:18:11,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:11,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 18:18:11,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-16 18:18:11,234 INFO L87 Difference]: Start difference. First operand 32736 states and 38799 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 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 18:18:12,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:12,137 INFO L93 Difference]: Finished difference Result 45751 states and 54241 transitions. [2023-12-16 18:18:12,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 18:18:12,137 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2023-12-16 18:18:12,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:12,178 INFO L225 Difference]: With dead ends: 45751 [2023-12-16 18:18:12,179 INFO L226 Difference]: Without dead ends: 42958 [2023-12-16 18:18:12,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-16 18:18:12,192 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 798 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:12,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 995 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 18:18:12,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42958 states. [2023-12-16 18:18:12,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42958 to 33965. [2023-12-16 18:18:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33965 states, 33964 states have (on average 1.185372747615122) internal successors, (40260), 33964 states have internal predecessors, (40260), 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 18:18:12,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33965 states to 33965 states and 40260 transitions. [2023-12-16 18:18:12,631 INFO L78 Accepts]: Start accepts. Automaton has 33965 states and 40260 transitions. Word has length 104 [2023-12-16 18:18:12,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:12,631 INFO L495 AbstractCegarLoop]: Abstraction has 33965 states and 40260 transitions. [2023-12-16 18:18:12,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 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 18:18:12,631 INFO L276 IsEmpty]: Start isEmpty. Operand 33965 states and 40260 transitions. [2023-12-16 18:18:12,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 18:18:12,636 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:12,636 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:18:12,639 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 (42)] Forceful destruction successful, exit code 0 [2023-12-16 18:18:12,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:12,839 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:12,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:12,840 INFO L85 PathProgramCache]: Analyzing trace with hash -347665854, now seen corresponding path program 1 times [2023-12-16 18:18:12,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:12,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547324079] [2023-12-16 18:18:12,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:12,840 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 18:18:12,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:12,841 INFO L229 MonitoredProcess]: Starting monitored process 43 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 18:18:12,842 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 (43)] Waiting until timeout for monitored process [2023-12-16 18:18:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:12,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 18:18:12,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:12,992 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:18:12,992 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:12,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547324079] [2023-12-16 18:18:12,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1547324079] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:18:12,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:18:12,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 18:18:12,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929333736] [2023-12-16 18:18:12,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:18:12,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 18:18:12,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:12,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 18:18:12,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 18:18:12,999 INFO L87 Difference]: Start difference. First operand 33965 states and 40260 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:18:13,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:13,108 INFO L93 Difference]: Finished difference Result 47773 states and 56547 transitions. [2023-12-16 18:18:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 18:18:13,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2023-12-16 18:18:13,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:13,124 INFO L225 Difference]: With dead ends: 47773 [2023-12-16 18:18:13,124 INFO L226 Difference]: Without dead ends: 16295 [2023-12-16 18:18:13,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 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 18:18:13,140 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 97 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:13,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 404 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:18:13,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16295 states. [2023-12-16 18:18:13,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16295 to 15944. [2023-12-16 18:18:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15944 states, 15943 states have (on average 1.1581258232453113) internal successors, (18464), 15943 states have internal predecessors, (18464), 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 18:18:13,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15944 states to 15944 states and 18464 transitions. [2023-12-16 18:18:13,303 INFO L78 Accepts]: Start accepts. Automaton has 15944 states and 18464 transitions. Word has length 104 [2023-12-16 18:18:13,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:13,303 INFO L495 AbstractCegarLoop]: Abstraction has 15944 states and 18464 transitions. [2023-12-16 18:18:13,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:18:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 15944 states and 18464 transitions. [2023-12-16 18:18:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 18:18:13,307 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:13,307 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] [2023-12-16 18:18:13,313 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 (43)] Forceful destruction successful, exit code 0 [2023-12-16 18:18:13,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:13,511 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:13,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:13,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1029536315, now seen corresponding path program 1 times [2023-12-16 18:18:13,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:13,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655307552] [2023-12-16 18:18:13,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:13,512 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 18:18:13,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:13,512 INFO L229 MonitoredProcess]: Starting monitored process 44 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 18:18:13,513 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 (44)] Waiting until timeout for monitored process [2023-12-16 18:18:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:13,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-16 18:18:13,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:14,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 18:18:14,560 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:14,560 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:14,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655307552] [2023-12-16 18:18:14,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655307552] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 18:18:14,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 18:18:14,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 21 [2023-12-16 18:18:14,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579590327] [2023-12-16 18:18:14,561 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 18:18:14,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-16 18:18:14,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:14,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-16 18:18:14,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2023-12-16 18:18:14,565 INFO L87 Difference]: Start difference. First operand 15944 states and 18464 transitions. Second operand has 21 states, 21 states have (on average 9.19047619047619) internal successors, (193), 21 states have internal predecessors, (193), 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 18:18:17,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:17,155 INFO L93 Difference]: Finished difference Result 42368 states and 48659 transitions. [2023-12-16 18:18:17,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-16 18:18:17,155 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 9.19047619047619) internal successors, (193), 21 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2023-12-16 18:18:17,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:17,191 INFO L225 Difference]: With dead ends: 42368 [2023-12-16 18:18:17,191 INFO L226 Difference]: Without dead ends: 39923 [2023-12-16 18:18:17,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1064 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=791, Invalid=3499, Unknown=0, NotChecked=0, Total=4290 [2023-12-16 18:18:17,203 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 3317 mSDsluCounter, 4948 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3317 SdHoareTripleChecker+Valid, 5337 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:17,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3317 Valid, 5337 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 18:18:17,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39923 states. [2023-12-16 18:18:17,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39923 to 16018. [2023-12-16 18:18:17,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16018 states, 16017 states have (on average 1.1575201348567148) internal successors, (18540), 16017 states have internal predecessors, (18540), 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 18:18:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16018 states to 16018 states and 18540 transitions. [2023-12-16 18:18:17,392 INFO L78 Accepts]: Start accepts. Automaton has 16018 states and 18540 transitions. Word has length 104 [2023-12-16 18:18:17,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:17,397 INFO L495 AbstractCegarLoop]: Abstraction has 16018 states and 18540 transitions. [2023-12-16 18:18:17,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.19047619047619) internal successors, (193), 21 states have internal predecessors, (193), 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 18:18:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 16018 states and 18540 transitions. [2023-12-16 18:18:17,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 18:18:17,400 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:17,400 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] [2023-12-16 18:18:17,404 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 (44)] Forceful destruction successful, exit code 0 [2023-12-16 18:18:17,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:17,605 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:17,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:17,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1350601335, now seen corresponding path program 1 times [2023-12-16 18:18:17,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:17,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594304026] [2023-12-16 18:18:17,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:17,605 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 18:18:17,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:17,606 INFO L229 MonitoredProcess]: Starting monitored process 45 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 18:18:17,609 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 (45)] Waiting until timeout for monitored process [2023-12-16 18:18:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:17,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 18:18:17,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:18,190 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-16 18:18:18,190 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:18:18,190 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:18,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594304026] [2023-12-16 18:18:18,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594304026] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:18:18,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:18:18,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 18:18:18,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482837786] [2023-12-16 18:18:18,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:18:18,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 18:18:18,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:18,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 18:18:18,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-16 18:18:18,191 INFO L87 Difference]: Start difference. First operand 16018 states and 18540 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 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 18:18:19,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:19,207 INFO L93 Difference]: Finished difference Result 28389 states and 33003 transitions. [2023-12-16 18:18:19,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 18:18:19,208 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2023-12-16 18:18:19,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:19,229 INFO L225 Difference]: With dead ends: 28389 [2023-12-16 18:18:19,230 INFO L226 Difference]: Without dead ends: 25346 [2023-12-16 18:18:19,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2023-12-16 18:18:19,237 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 956 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:19,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 1058 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 18:18:19,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25346 states. [2023-12-16 18:18:19,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25346 to 15966. [2023-12-16 18:18:19,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15966 states, 15965 states have (on average 1.1572815533980583) internal successors, (18476), 15965 states have internal predecessors, (18476), 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 18:18:19,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15966 states to 15966 states and 18476 transitions. [2023-12-16 18:18:19,386 INFO L78 Accepts]: Start accepts. Automaton has 15966 states and 18476 transitions. Word has length 104 [2023-12-16 18:18:19,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:19,386 INFO L495 AbstractCegarLoop]: Abstraction has 15966 states and 18476 transitions. [2023-12-16 18:18:19,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 8 states have internal predecessors, (100), 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 18:18:19,386 INFO L276 IsEmpty]: Start isEmpty. Operand 15966 states and 18476 transitions. [2023-12-16 18:18:19,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 18:18:19,389 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:19,389 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] [2023-12-16 18:18:19,392 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 (45)] Forceful destruction successful, exit code 0 [2023-12-16 18:18:19,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:19,590 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:19,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:19,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1285144548, now seen corresponding path program 1 times [2023-12-16 18:18:19,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:19,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820416791] [2023-12-16 18:18:19,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:19,591 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 18:18:19,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:19,592 INFO L229 MonitoredProcess]: Starting monitored process 46 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 18:18:19,593 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 (46)] Waiting until timeout for monitored process [2023-12-16 18:18:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:19,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-16 18:18:19,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:20,173 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:18:20,173 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:20,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820416791] [2023-12-16 18:18:20,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820416791] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:18:20,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:18:20,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 18:18:20,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664053563] [2023-12-16 18:18:20,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:18:20,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 18:18:20,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:20,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 18:18:20,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-12-16 18:18:20,174 INFO L87 Difference]: Start difference. First operand 15966 states and 18476 transitions. Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:18:21,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:21,000 INFO L93 Difference]: Finished difference Result 28682 states and 33385 transitions. [2023-12-16 18:18:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-16 18:18:21,001 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2023-12-16 18:18:21,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:21,027 INFO L225 Difference]: With dead ends: 28682 [2023-12-16 18:18:21,027 INFO L226 Difference]: Without dead ends: 26844 [2023-12-16 18:18:21,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2023-12-16 18:18:21,035 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 982 mSDsluCounter, 2483 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 2861 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:21,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 2861 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 18:18:21,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26844 states. [2023-12-16 18:18:21,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26844 to 17064. [2023-12-16 18:18:21,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17064 states, 17063 states have (on average 1.156303111996718) internal successors, (19730), 17063 states have internal predecessors, (19730), 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 18:18:21,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17064 states to 17064 states and 19730 transitions. [2023-12-16 18:18:21,198 INFO L78 Accepts]: Start accepts. Automaton has 17064 states and 19730 transitions. Word has length 104 [2023-12-16 18:18:21,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:21,198 INFO L495 AbstractCegarLoop]: Abstraction has 17064 states and 19730 transitions. [2023-12-16 18:18:21,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:18:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 17064 states and 19730 transitions. [2023-12-16 18:18:21,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 18:18:21,200 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:21,201 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] [2023-12-16 18:18:21,203 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 (46)] Ended with exit code 0 [2023-12-16 18:18:21,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:21,401 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:21,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:21,401 INFO L85 PathProgramCache]: Analyzing trace with hash -966304062, now seen corresponding path program 1 times [2023-12-16 18:18:21,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:21,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076578050] [2023-12-16 18:18:21,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:21,402 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 18:18:21,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:21,403 INFO L229 MonitoredProcess]: Starting monitored process 47 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 18:18:21,404 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 (47)] Waiting until timeout for monitored process [2023-12-16 18:18:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:21,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-16 18:18:21,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:22,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 18:18:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:22,378 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:22,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076578050] [2023-12-16 18:18:22,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076578050] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 18:18:22,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 18:18:22,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 21 [2023-12-16 18:18:22,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374366611] [2023-12-16 18:18:22,378 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 18:18:22,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-16 18:18:22,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:22,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-16 18:18:22,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2023-12-16 18:18:22,379 INFO L87 Difference]: Start difference. First operand 17064 states and 19730 transitions. Second operand has 21 states, 21 states have (on average 9.238095238095237) internal successors, (194), 21 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:18:25,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:25,396 INFO L93 Difference]: Finished difference Result 47140 states and 53979 transitions. [2023-12-16 18:18:25,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-12-16 18:18:25,396 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 9.238095238095237) internal successors, (194), 21 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2023-12-16 18:18:25,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:25,437 INFO L225 Difference]: With dead ends: 47140 [2023-12-16 18:18:25,437 INFO L226 Difference]: Without dead ends: 44247 [2023-12-16 18:18:25,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1049 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1184, Invalid=3646, Unknown=0, NotChecked=0, Total=4830 [2023-12-16 18:18:25,451 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 2620 mSDsluCounter, 6361 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2620 SdHoareTripleChecker+Valid, 6904 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:25,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2620 Valid, 6904 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1239 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 18:18:25,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44247 states. [2023-12-16 18:18:25,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44247 to 21960. [2023-12-16 18:18:25,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21960 states, 21959 states have (on average 1.1502800673983333) internal successors, (25259), 21959 states have internal predecessors, (25259), 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 18:18:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21960 states to 21960 states and 25259 transitions. [2023-12-16 18:18:25,727 INFO L78 Accepts]: Start accepts. Automaton has 21960 states and 25259 transitions. Word has length 104 [2023-12-16 18:18:25,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:25,728 INFO L495 AbstractCegarLoop]: Abstraction has 21960 states and 25259 transitions. [2023-12-16 18:18:25,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.238095238095237) internal successors, (194), 21 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:18:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 21960 states and 25259 transitions. [2023-12-16 18:18:25,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-16 18:18:25,731 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:25,731 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 18:18:25,733 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 (47)] Forceful destruction successful, exit code 0 [2023-12-16 18:18:25,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:25,931 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:25,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:25,932 INFO L85 PathProgramCache]: Analyzing trace with hash -706906666, now seen corresponding path program 1 times [2023-12-16 18:18:25,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:25,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155910722] [2023-12-16 18:18:25,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:25,933 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 18:18:25,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:25,933 INFO L229 MonitoredProcess]: Starting monitored process 48 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 18:18:25,934 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 (48)] Waiting until timeout for monitored process [2023-12-16 18:18:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:26,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 18:18:26,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-16 18:18:26,347 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:18:26,347 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:26,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155910722] [2023-12-16 18:18:26,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155910722] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:18:26,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:18:26,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 18:18:26,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131040486] [2023-12-16 18:18:26,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:18:26,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 18:18:26,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:26,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 18:18:26,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-16 18:18:26,348 INFO L87 Difference]: Start difference. First operand 21960 states and 25259 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 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 18:18:26,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:26,858 INFO L93 Difference]: Finished difference Result 26932 states and 31005 transitions. [2023-12-16 18:18:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 18:18:26,859 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 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 18:18:26,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:26,882 INFO L225 Difference]: With dead ends: 26932 [2023-12-16 18:18:26,882 INFO L226 Difference]: Without dead ends: 25558 [2023-12-16 18:18:26,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:18:26,890 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 1131 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 1466 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:26,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1131 Valid, 1466 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 18:18:26,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25558 states. [2023-12-16 18:18:27,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25558 to 21844. [2023-12-16 18:18:27,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21844 states, 21843 states have (on average 1.1506203360344276) internal successors, (25133), 21843 states have internal predecessors, (25133), 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 18:18:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21844 states to 21844 states and 25133 transitions. [2023-12-16 18:18:27,056 INFO L78 Accepts]: Start accepts. Automaton has 21844 states and 25133 transitions. Word has length 105 [2023-12-16 18:18:27,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:27,056 INFO L495 AbstractCegarLoop]: Abstraction has 21844 states and 25133 transitions. [2023-12-16 18:18:27,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 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 18:18:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 21844 states and 25133 transitions. [2023-12-16 18:18:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-16 18:18:27,059 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:27,059 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 18:18:27,061 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 (48)] Ended with exit code 0 [2023-12-16 18:18:27,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:27,260 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:27,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:27,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1874632301, now seen corresponding path program 1 times [2023-12-16 18:18:27,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:27,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372845442] [2023-12-16 18:18:27,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:27,260 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 18:18:27,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:27,261 INFO L229 MonitoredProcess]: Starting monitored process 49 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 18:18:27,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2023-12-16 18:18:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:27,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:18:27,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-16 18:18:27,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:18:27,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:27,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372845442] [2023-12-16 18:18:27,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [372845442] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:18:27,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:18:27,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 18:18:27,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096248626] [2023-12-16 18:18:27,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:18:27,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:18:27,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:27,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:18:27,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:18:27,594 INFO L87 Difference]: Start difference. First operand 21844 states and 25133 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 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 18:18:27,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:27,928 INFO L93 Difference]: Finished difference Result 31388 states and 36233 transitions. [2023-12-16 18:18:27,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:18:27,929 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 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 18:18:27,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:27,954 INFO L225 Difference]: With dead ends: 31388 [2023-12-16 18:18:27,954 INFO L226 Difference]: Without dead ends: 27333 [2023-12-16 18:18:27,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-12-16 18:18:27,963 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 1079 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:27,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 1074 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 18:18:27,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27333 states. [2023-12-16 18:18:28,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27333 to 19499. [2023-12-16 18:18:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19499 states, 19498 states have (on average 1.1498615242588983) internal successors, (22420), 19498 states have internal predecessors, (22420), 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 18:18:28,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19499 states to 19499 states and 22420 transitions. [2023-12-16 18:18:28,143 INFO L78 Accepts]: Start accepts. Automaton has 19499 states and 22420 transitions. Word has length 105 [2023-12-16 18:18:28,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:28,143 INFO L495 AbstractCegarLoop]: Abstraction has 19499 states and 22420 transitions. [2023-12-16 18:18:28,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 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 18:18:28,143 INFO L276 IsEmpty]: Start isEmpty. Operand 19499 states and 22420 transitions. [2023-12-16 18:18:28,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-16 18:18:28,146 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:28,146 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 18:18:28,149 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 (49)] Ended with exit code 0 [2023-12-16 18:18:28,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:28,347 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:28,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:28,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1055558029, now seen corresponding path program 1 times [2023-12-16 18:18:28,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:28,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949548891] [2023-12-16 18:18:28,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:28,348 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 18:18:28,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:28,348 INFO L229 MonitoredProcess]: Starting monitored process 50 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 18:18:28,349 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 (50)] Waiting until timeout for monitored process [2023-12-16 18:18:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:28,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 18:18:28,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-16 18:18:28,767 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:18:28,767 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:28,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949548891] [2023-12-16 18:18:28,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949548891] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:18:28,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:18:28,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 18:18:28,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891822225] [2023-12-16 18:18:28,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:18:28,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 18:18:28,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:28,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 18:18:28,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-16 18:18:28,768 INFO L87 Difference]: Start difference. First operand 19499 states and 22420 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 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 18:18:29,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:29,210 INFO L93 Difference]: Finished difference Result 34545 states and 39865 transitions. [2023-12-16 18:18:29,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 18:18:29,210 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 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 18:18:29,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:29,234 INFO L225 Difference]: With dead ends: 34545 [2023-12-16 18:18:29,234 INFO L226 Difference]: Without dead ends: 25819 [2023-12-16 18:18:29,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-12-16 18:18:29,244 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 988 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:29,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 1629 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 18:18:29,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25819 states. [2023-12-16 18:18:29,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25819 to 18184. [2023-12-16 18:18:29,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18184 states, 18183 states have (on average 1.1502502337348073) internal successors, (20915), 18183 states have internal predecessors, (20915), 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 18:18:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18184 states to 18184 states and 20915 transitions. [2023-12-16 18:18:29,455 INFO L78 Accepts]: Start accepts. Automaton has 18184 states and 20915 transitions. Word has length 105 [2023-12-16 18:18:29,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:29,455 INFO L495 AbstractCegarLoop]: Abstraction has 18184 states and 20915 transitions. [2023-12-16 18:18:29,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 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 18:18:29,455 INFO L276 IsEmpty]: Start isEmpty. Operand 18184 states and 20915 transitions. [2023-12-16 18:18:29,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-16 18:18:29,458 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:29,458 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, 1] [2023-12-16 18:18:29,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Forceful destruction successful, exit code 0 [2023-12-16 18:18:29,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:29,658 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:29,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:29,659 INFO L85 PathProgramCache]: Analyzing trace with hash -423926265, now seen corresponding path program 1 times [2023-12-16 18:18:29,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:29,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698433805] [2023-12-16 18:18:29,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:29,659 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 18:18:29,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:29,660 INFO L229 MonitoredProcess]: Starting monitored process 51 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 18:18:29,661 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 (51)] Waiting until timeout for monitored process [2023-12-16 18:18:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:29,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 18:18:29,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:30,213 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-16 18:18:30,213 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:18:30,214 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:18:30,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [698433805] [2023-12-16 18:18:30,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [698433805] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:18:30,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:18:30,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 18:18:30,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346603392] [2023-12-16 18:18:30,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:18:30,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 18:18:30,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:18:30,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 18:18:30,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-16 18:18:30,215 INFO L87 Difference]: Start difference. First operand 18184 states and 20915 transitions. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 8 states have internal predecessors, (103), 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 18:18:31,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:18:31,041 INFO L93 Difference]: Finished difference Result 24759 states and 28448 transitions. [2023-12-16 18:18:31,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 18:18:31,042 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-16 18:18:31,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:18:31,059 INFO L225 Difference]: With dead ends: 24759 [2023-12-16 18:18:31,059 INFO L226 Difference]: Without dead ends: 21282 [2023-12-16 18:18:31,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-16 18:18:31,065 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 870 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 870 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 18:18:31,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [870 Valid, 1022 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 18:18:31,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21282 states. [2023-12-16 18:18:31,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21282 to 18181. [2023-12-16 18:18:31,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18181 states, 18180 states have (on average 1.1501100110011002) internal successors, (20909), 18180 states have internal predecessors, (20909), 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 18:18:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18181 states to 18181 states and 20909 transitions. [2023-12-16 18:18:31,208 INFO L78 Accepts]: Start accepts. Automaton has 18181 states and 20909 transitions. Word has length 106 [2023-12-16 18:18:31,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:18:31,208 INFO L495 AbstractCegarLoop]: Abstraction has 18181 states and 20909 transitions. [2023-12-16 18:18:31,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 8 states have internal predecessors, (103), 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 18:18:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 18181 states and 20909 transitions. [2023-12-16 18:18:31,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-16 18:18:31,210 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:18:31,210 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, 1] [2023-12-16 18:18:31,214 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 (51)] Ended with exit code 0 [2023-12-16 18:18:31,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:31,411 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-12-16 18:18:31,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:18:31,411 INFO L85 PathProgramCache]: Analyzing trace with hash 2129623916, now seen corresponding path program 1 times [2023-12-16 18:18:31,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:18:31,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561791154] [2023-12-16 18:18:31,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:18:31,412 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 18:18:31,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:18:31,413 INFO L229 MonitoredProcess]: Starting monitored process 52 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 18:18:31,413 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 (52)] Waiting until timeout for monitored process [2023-12-16 18:18:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:18:31,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-16 18:18:31,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:18:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:18:32,110 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-12-16 18:18:32,273 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-12-16 18:18:32,276 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 (52)] Ended with exit code 0 [2023-12-16 18:18:32,286 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 18:18:32,314 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 18:18:32,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -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 18:18:32,474 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 107 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. [2023-12-16 18:18:32,475 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2023-12-16 18:18:32,476 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-12-16 18:18:32,476 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-12-16 18:18:32,478 INFO L445 BasicCegarLoop]: Path program 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] [2023-12-16 18:18:32,480 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 18:18:32,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:18:32 BoogieIcfgContainer [2023-12-16 18:18:32,481 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 18:18:32,481 INFO L158 Benchmark]: Toolchain (without parser) took 70779.13ms. Allocated memory was 293.6MB in the beginning and 2.8GB in the end (delta: 2.5GB). Free memory was 239.6MB in the beginning and 925.2MB in the end (delta: -685.5MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2023-12-16 18:18:32,481 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 181.4MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 18:18:32,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.58ms. Allocated memory is still 293.6MB. Free memory was 239.6MB in the beginning and 252.1MB in the end (delta: -12.5MB). Peak memory consumption was 58.8MB. Max. memory is 8.0GB. [2023-12-16 18:18:32,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.21ms. Allocated memory is still 293.6MB. Free memory was 252.1MB in the beginning and 243.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-12-16 18:18:32,482 INFO L158 Benchmark]: Boogie Preprocessor took 82.90ms. Allocated memory is still 293.6MB. Free memory was 243.7MB in the beginning and 232.7MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-16 18:18:32,482 INFO L158 Benchmark]: RCFGBuilder took 1366.46ms. Allocated memory is still 293.6MB. Free memory was 232.7MB in the beginning and 191.3MB in the end (delta: 41.4MB). Peak memory consumption was 91.2MB. Max. memory is 8.0GB. [2023-12-16 18:18:32,482 INFO L158 Benchmark]: TraceAbstraction took 68560.95ms. Allocated memory was 293.6MB in the beginning and 2.8GB in the end (delta: 2.5GB). Free memory was 190.2MB in the beginning and 925.2MB in the end (delta: -734.9MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2023-12-16 18:18:32,482 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 181.4MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 646.58ms. Allocated memory is still 293.6MB. Free memory was 239.6MB in the beginning and 252.1MB in the end (delta: -12.5MB). Peak memory consumption was 58.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 118.21ms. Allocated memory is still 293.6MB. Free memory was 252.1MB in the beginning and 243.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 82.90ms. Allocated memory is still 293.6MB. Free memory was 243.7MB in the beginning and 232.7MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * RCFGBuilder took 1366.46ms. Allocated memory is still 293.6MB. Free memory was 232.7MB in the beginning and 191.3MB in the end (delta: 41.4MB). Peak memory consumption was 91.2MB. Max. memory is 8.0GB. * TraceAbstraction took 68560.95ms. Allocated memory was 293.6MB in the beginning and 2.8GB in the end (delta: 2.5GB). Free memory was 190.2MB in the beginning and 925.2MB in the end (delta: -734.9MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 441]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 441). Cancelled while NwaCegarLoop was analyzing trace of length 107 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 1029]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1029). Cancelled while NwaCegarLoop was analyzing trace of length 107 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 1201]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1201). Cancelled while NwaCegarLoop was analyzing trace of length 107 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 1284]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 1284). Cancelled while NwaCegarLoop was analyzing trace of length 107 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∨-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 454 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 68.5s, OverallIterations: 51, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 30.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48975 SdHoareTripleChecker+Valid, 17.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48975 mSDsluCounter, 55563 SdHoareTripleChecker+Invalid, 15.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40705 mSDsCounter, 831 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19023 IncrementalHoareTripleChecker+Invalid, 19854 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 831 mSolverCounterUnsat, 14858 mSDtfsCounter, 19023 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4693 GetRequests, 4111 SyntacticMatches, 0 SemanticMatches, 582 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3559 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41399occurred in iteration=36, InterpolantAutomatonStates: 527, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.5s AutomataMinimizationTime, 50 MinimizatonAttempts, 254694 StatesRemovedByMinimization, 50 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 3744 NumberOfCodeBlocks, 3744 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 4374 ConstructedInterpolants, 1027 QuantifiedInterpolants, 37539 SizeOfPredicates, 147 NumberOfNonLiveVariables, 11406 ConjunctsInSsa, 313 ConjunctsInUnsatCore, 57 InterpolantComputations, 43 PerfectInterpolantSequences, 191/241 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown