/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 03:31:41,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 03:31:41,804 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-22 03:31:41,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 03:31:41,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 03:31:41,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 03:31:41,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 03:31:41,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 03:31:41,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 03:31:41,850 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 03:31:41,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 03:31:41,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 03:31:41,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 03:31:41,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 03:31:41,853 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 03:31:41,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 03:31:41,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 03:31:41,854 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 03:31:41,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 03:31:41,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 03:31:41,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 03:31:41,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 03:31:41,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 03:31:41,855 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 03:31:41,856 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 03:31:41,856 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 03:31:41,856 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 03:31:41,856 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 03:31:41,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 03:31:41,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 03:31:41,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 03:31:41,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 03:31:41,858 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 03:31:41,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 03:31:41,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 03:31:41,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 03:31:41,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 03:31:41,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 03:31:41,859 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 03:31:41,859 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 03:31:41,859 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 03:31:41,859 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 03:31:41,859 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 03:31:41,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 03:31:41,860 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 03:31:41,860 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 03:31:41,860 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 03:31:42,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 03:31:42,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 03:31:42,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 03:31:42,089 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 03:31:42,089 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 03:31:42,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label06.c [2023-12-22 03:31:43,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 03:31:43,509 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 03:31:43,510 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label06.c [2023-12-22 03:31:43,522 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e513c9b/ccd374f4d2c24415a83e3791be2ff9bb/FLAGc82661df5 [2023-12-22 03:31:43,532 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e513c9b/ccd374f4d2c24415a83e3791be2ff9bb [2023-12-22 03:31:43,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 03:31:43,536 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 03:31:43,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 03:31:43,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 03:31:43,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 03:31:43,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:31:43" (1/1) ... [2023-12-22 03:31:43,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5222c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:43, skipping insertion in model container [2023-12-22 03:31:43,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:31:43" (1/1) ... [2023-12-22 03:31:43,585 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 03:31:43,863 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label06.c[21333,21346] [2023-12-22 03:31:43,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 03:31:43,906 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 03:31:43,995 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label06.c[21333,21346] [2023-12-22 03:31:44,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 03:31:44,021 INFO L206 MainTranslator]: Completed translation [2023-12-22 03:31:44,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44 WrapperNode [2023-12-22 03:31:44,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 03:31:44,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 03:31:44,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 03:31:44,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 03:31:44,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44" (1/1) ... [2023-12-22 03:31:44,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44" (1/1) ... [2023-12-22 03:31:44,152 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 667 [2023-12-22 03:31:44,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 03:31:44,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 03:31:44,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 03:31:44,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 03:31:44,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44" (1/1) ... [2023-12-22 03:31:44,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44" (1/1) ... [2023-12-22 03:31:44,182 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44" (1/1) ... [2023-12-22 03:31:44,199 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-22 03:31:44,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44" (1/1) ... [2023-12-22 03:31:44,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44" (1/1) ... [2023-12-22 03:31:44,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44" (1/1) ... [2023-12-22 03:31:44,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44" (1/1) ... [2023-12-22 03:31:44,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44" (1/1) ... [2023-12-22 03:31:44,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44" (1/1) ... [2023-12-22 03:31:44,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 03:31:44,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 03:31:44,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 03:31:44,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 03:31:44,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44" (1/1) ... [2023-12-22 03:31:44,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 03:31:44,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 03:31:44,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-22 03:31:44,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-22 03:31:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 03:31:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 03:31:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 03:31:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 03:31:44,413 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 03:31:44,415 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 03:31:45,449 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 03:31:45,512 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 03:31:45,512 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 03:31:45,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:31:45 BoogieIcfgContainer [2023-12-22 03:31:45,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 03:31:45,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 03:31:45,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 03:31:45,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 03:31:45,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:31:43" (1/3) ... [2023-12-22 03:31:45,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ead679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:31:45, skipping insertion in model container [2023-12-22 03:31:45,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:44" (2/3) ... [2023-12-22 03:31:45,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ead679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:31:45, skipping insertion in model container [2023-12-22 03:31:45,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:31:45" (3/3) ... [2023-12-22 03:31:45,520 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label06.c [2023-12-22 03:31:45,534 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 03:31:45,535 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 03:31:45,572 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 03:31:45,577 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;@549b1158, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 03:31:45,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 03:31:45,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 163 states have (on average 1.9202453987730062) internal successors, (313), 164 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-22 03:31:45,593 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:31:45,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:31:45,594 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:31:45,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:31:45,598 INFO L85 PathProgramCache]: Analyzing trace with hash 481623650, now seen corresponding path program 1 times [2023-12-22 03:31:45,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:31:45,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293554887] [2023-12-22 03:31:45,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:31:45,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:31:45,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:31:45,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 03:31:45,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-22 03:31:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:31:45,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 03:31:45,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:31:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:31:45,832 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:31:45,833 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:31:45,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293554887] [2023-12-22 03:31:45,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293554887] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:31:45,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:31:45,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 03:31:45,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968326171] [2023-12-22 03:31:45,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:31:45,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 03:31:45,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:31:45,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 03:31:45,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 03:31:45,874 INFO L87 Difference]: Start difference. First operand has 165 states, 163 states have (on average 1.9202453987730062) internal successors, (313), 164 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 69.5) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:45,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:31:45,914 INFO L93 Difference]: Finished difference Result 329 states and 625 transitions. [2023-12-22 03:31:45,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 03:31:45,916 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 69.5) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2023-12-22 03:31:45,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:31:45,925 INFO L225 Difference]: With dead ends: 329 [2023-12-22 03:31:45,925 INFO L226 Difference]: Without dead ends: 163 [2023-12-22 03:31:45,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 03:31:45,931 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-22 03:31:45,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-22 03:31:45,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-22 03:31:45,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2023-12-22 03:31:45,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.5308641975308641) internal successors, (248), 162 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:45,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 248 transitions. [2023-12-22 03:31:45,966 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 248 transitions. Word has length 139 [2023-12-22 03:31:45,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:31:45,967 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 248 transitions. [2023-12-22 03:31:45,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 69.5) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:45,967 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 248 transitions. [2023-12-22 03:31:45,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-22 03:31:45,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:31:45,970 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:31:45,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-22 03:31:46,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:31:46,175 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:31:46,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:31:46,176 INFO L85 PathProgramCache]: Analyzing trace with hash -853744274, now seen corresponding path program 1 times [2023-12-22 03:31:46,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:31:46,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885096742] [2023-12-22 03:31:46,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:31:46,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:31:46,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:31:46,179 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 03:31:46,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-22 03:31:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:31:46,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-22 03:31:46,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:31:49,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:31:49,862 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:31:49,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:31:49,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885096742] [2023-12-22 03:31:49,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885096742] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:31:49,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:31:49,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-22 03:31:49,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502479728] [2023-12-22 03:31:49,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:31:49,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-22 03:31:49,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:31:49,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-22 03:31:49,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-22 03:31:49,872 INFO L87 Difference]: Start difference. First operand 163 states and 248 transitions. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 8 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:51,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:31:51,350 INFO L93 Difference]: Finished difference Result 667 states and 1040 transitions. [2023-12-22 03:31:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-22 03:31:51,351 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 8 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2023-12-22 03:31:51,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:31:51,355 INFO L225 Difference]: With dead ends: 667 [2023-12-22 03:31:51,355 INFO L226 Difference]: Without dead ends: 505 [2023-12-22 03:31:51,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2023-12-22 03:31:51,357 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 391 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 1510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:31:51,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 169 Invalid, 1510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-22 03:31:51,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2023-12-22 03:31:51,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 504. [2023-12-22 03:31:51,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 503 states have (on average 1.2504970178926442) internal successors, (629), 503 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:51,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 629 transitions. [2023-12-22 03:31:51,388 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 629 transitions. Word has length 139 [2023-12-22 03:31:51,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:31:51,388 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 629 transitions. [2023-12-22 03:31:51,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 8 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:51,389 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 629 transitions. [2023-12-22 03:31:51,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-22 03:31:51,392 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:31:51,392 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:31:51,399 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 [2023-12-22 03:31:51,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:31:51,601 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:31:51,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:31:51,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1197029977, now seen corresponding path program 1 times [2023-12-22 03:31:51,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:31:51,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297992738] [2023-12-22 03:31:51,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:31:51,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:31:51,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:31:51,605 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 03:31:51,609 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 (4)] Waiting until timeout for monitored process [2023-12-22 03:31:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:31:51,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-22 03:31:51,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:31:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:31:53,930 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:31:53,930 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:31:53,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297992738] [2023-12-22 03:31:53,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [297992738] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:31:53,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:31:53,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-22 03:31:53,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279602498] [2023-12-22 03:31:53,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:31:53,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-22 03:31:53,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:31:53,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-22 03:31:53,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-12-22 03:31:53,933 INFO L87 Difference]: Start difference. First operand 504 states and 629 transitions. Second operand has 10 states, 10 states have (on average 14.4) internal successors, (144), 9 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:55,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:31:55,383 INFO L93 Difference]: Finished difference Result 1507 states and 1999 transitions. [2023-12-22 03:31:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-22 03:31:55,384 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.4) internal successors, (144), 9 states have internal predecessors, (144), 0 states have call successors, (0), 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 144 [2023-12-22 03:31:55,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:31:55,387 INFO L225 Difference]: With dead ends: 1507 [2023-12-22 03:31:55,387 INFO L226 Difference]: Without dead ends: 798 [2023-12-22 03:31:55,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2023-12-22 03:31:55,391 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 522 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1552 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 1681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:31:55,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 160 Invalid, 1681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1552 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-22 03:31:55,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2023-12-22 03:31:55,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 798. [2023-12-22 03:31:55,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 797 states have (on average 1.247176913425345) internal successors, (994), 797 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:55,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 994 transitions. [2023-12-22 03:31:55,438 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 994 transitions. Word has length 144 [2023-12-22 03:31:55,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:31:55,439 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 994 transitions. [2023-12-22 03:31:55,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.4) internal successors, (144), 9 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:55,439 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 994 transitions. [2023-12-22 03:31:55,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-22 03:31:55,446 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:31:55,447 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:31:55,455 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 (4)] Forceful destruction successful, exit code 0 [2023-12-22 03:31:55,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:31:55,650 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:31:55,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:31:55,650 INFO L85 PathProgramCache]: Analyzing trace with hash -336126584, now seen corresponding path program 1 times [2023-12-22 03:31:55,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:31:55,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192989299] [2023-12-22 03:31:55,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:31:55,652 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:31:55,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:31:55,653 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 03:31:55,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-22 03:31:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:31:55,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:31:55,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:31:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:31:55,737 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:31:55,739 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:31:55,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192989299] [2023-12-22 03:31:55,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192989299] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:31:55,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:31:55,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:31:55,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880966278] [2023-12-22 03:31:55,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:31:55,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:31:55,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:31:55,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:31:55,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:31:55,744 INFO L87 Difference]: Start difference. First operand 798 states and 994 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:56,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:31:56,258 INFO L93 Difference]: Finished difference Result 2019 states and 2559 transitions. [2023-12-22 03:31:56,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:31:56,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2023-12-22 03:31:56,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:31:56,263 INFO L225 Difference]: With dead ends: 2019 [2023-12-22 03:31:56,263 INFO L226 Difference]: Without dead ends: 1222 [2023-12-22 03:31:56,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:31:56,268 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-22 03:31:56,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 256 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-22 03:31:56,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2023-12-22 03:31:56,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1218. [2023-12-22 03:31:56,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 1217 states have (on average 1.18898931799507) internal successors, (1447), 1217 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1447 transitions. [2023-12-22 03:31:56,291 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1447 transitions. Word has length 152 [2023-12-22 03:31:56,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:31:56,292 INFO L495 AbstractCegarLoop]: Abstraction has 1218 states and 1447 transitions. [2023-12-22 03:31:56,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:56,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1447 transitions. [2023-12-22 03:31:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-22 03:31:56,295 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:31:56,295 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:31:56,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-22 03:31:56,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:31:56,498 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:31:56,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:31:56,499 INFO L85 PathProgramCache]: Analyzing trace with hash 620573286, now seen corresponding path program 1 times [2023-12-22 03:31:56,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:31:56,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [133541821] [2023-12-22 03:31:56,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:31:56,500 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:31:56,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:31:56,501 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 03:31:56,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-22 03:31:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:31:56,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:31:56,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:31:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-22 03:31:56,602 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:31:56,602 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:31:56,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [133541821] [2023-12-22 03:31:56,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [133541821] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:31:56,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:31:56,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 03:31:56,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903100663] [2023-12-22 03:31:56,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:31:56,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:31:56,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:31:56,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:31:56,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:31:56,605 INFO L87 Difference]: Start difference. First operand 1218 states and 1447 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:57,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:31:57,079 INFO L93 Difference]: Finished difference Result 2855 states and 3365 transitions. [2023-12-22 03:31:57,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:31:57,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 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 156 [2023-12-22 03:31:57,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:31:57,084 INFO L225 Difference]: With dead ends: 2855 [2023-12-22 03:31:57,084 INFO L226 Difference]: Without dead ends: 1216 [2023-12-22 03:31:57,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:31:57,086 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 189 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:31:57,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 76 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:31:57,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2023-12-22 03:31:57,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1216. [2023-12-22 03:31:57,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 1215 states have (on average 1.1349794238683129) internal successors, (1379), 1215 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:57,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1379 transitions. [2023-12-22 03:31:57,109 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1379 transitions. Word has length 156 [2023-12-22 03:31:57,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:31:57,109 INFO L495 AbstractCegarLoop]: Abstraction has 1216 states and 1379 transitions. [2023-12-22 03:31:57,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:57,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1379 transitions. [2023-12-22 03:31:57,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-22 03:31:57,115 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:31:57,120 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:31:57,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-22 03:31:57,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:31:57,322 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:31:57,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:31:57,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1031192462, now seen corresponding path program 1 times [2023-12-22 03:31:57,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:31:57,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498921562] [2023-12-22 03:31:57,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:31:57,324 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:31:57,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:31:57,325 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 03:31:57,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-22 03:31:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:31:57,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:31:57,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:31:57,429 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-22 03:31:57,430 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:31:57,430 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:31:57,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498921562] [2023-12-22 03:31:57,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498921562] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:31:57,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:31:57,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:31:57,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718520807] [2023-12-22 03:31:57,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:31:57,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:31:57,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:31:57,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:31:57,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:31:57,432 INFO L87 Difference]: Start difference. First operand 1216 states and 1379 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:57,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:31:57,855 INFO L93 Difference]: Finished difference Result 2275 states and 2591 transitions. [2023-12-22 03:31:57,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:31:57,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 173 [2023-12-22 03:31:57,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:31:57,858 INFO L225 Difference]: With dead ends: 2275 [2023-12-22 03:31:57,858 INFO L226 Difference]: Without dead ends: 779 [2023-12-22 03:31:57,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:31:57,860 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 151 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:31:57,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 235 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:31:57,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2023-12-22 03:31:57,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 779. [2023-12-22 03:31:57,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 778 states have (on average 1.0938303341902313) internal successors, (851), 778 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:57,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 851 transitions. [2023-12-22 03:31:57,872 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 851 transitions. Word has length 173 [2023-12-22 03:31:57,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:31:57,872 INFO L495 AbstractCegarLoop]: Abstraction has 779 states and 851 transitions. [2023-12-22 03:31:57,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 851 transitions. [2023-12-22 03:31:57,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-22 03:31:57,874 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:31:57,874 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:31:57,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-22 03:31:58,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:31:58,077 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:31:58,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:31:58,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1112339908, now seen corresponding path program 1 times [2023-12-22 03:31:58,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:31:58,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320466205] [2023-12-22 03:31:58,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:31:58,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:31:58,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:31:58,080 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 03:31:58,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-22 03:31:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:31:58,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-22 03:31:58,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:31:59,375 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-22 03:31:59,376 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:31:59,376 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:31:59,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320466205] [2023-12-22 03:31:59,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [320466205] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:31:59,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:31:59,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:31:59,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605025204] [2023-12-22 03:31:59,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:31:59,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-22 03:31:59,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:31:59,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-22 03:31:59,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-22 03:31:59,377 INFO L87 Difference]: Start difference. First operand 779 states and 851 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 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) [2023-12-22 03:31:59,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:31:59,909 INFO L93 Difference]: Finished difference Result 2060 states and 2260 transitions. [2023-12-22 03:31:59,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-22 03:31:59,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 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 173 [2023-12-22 03:31:59,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:31:59,913 INFO L225 Difference]: With dead ends: 2060 [2023-12-22 03:31:59,913 INFO L226 Difference]: Without dead ends: 1059 [2023-12-22 03:31:59,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-22 03:31:59,915 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 131 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-22 03:31:59,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 88 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-22 03:31:59,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2023-12-22 03:31:59,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 779. [2023-12-22 03:31:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 778 states have (on average 1.0809768637532133) internal successors, (841), 778 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:31:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 841 transitions. [2023-12-22 03:31:59,930 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 841 transitions. Word has length 173 [2023-12-22 03:31:59,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:31:59,930 INFO L495 AbstractCegarLoop]: Abstraction has 779 states and 841 transitions. [2023-12-22 03:31:59,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 3 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) [2023-12-22 03:31:59,930 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 841 transitions. [2023-12-22 03:31:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-22 03:31:59,932 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:31:59,932 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:31:59,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-22 03:32:00,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:32:00,138 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:32:00,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:32:00,139 INFO L85 PathProgramCache]: Analyzing trace with hash 563449232, now seen corresponding path program 1 times [2023-12-22 03:32:00,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:32:00,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793262035] [2023-12-22 03:32:00,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:32:00,140 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:32:00,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:32:00,141 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 03:32:00,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-22 03:32:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:32:00,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:32:00,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:32:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:32:00,262 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:32:00,262 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:32:00,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [793262035] [2023-12-22 03:32:00,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [793262035] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:32:00,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:32:00,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:32:00,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101099912] [2023-12-22 03:32:00,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:32:00,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:32:00,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:32:00,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:32:00,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:00,264 INFO L87 Difference]: Start difference. First operand 779 states and 841 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:00,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:32:00,630 INFO L93 Difference]: Finished difference Result 2125 states and 2304 transitions. [2023-12-22 03:32:00,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:32:00,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2023-12-22 03:32:00,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:32:00,637 INFO L225 Difference]: With dead ends: 2125 [2023-12-22 03:32:00,637 INFO L226 Difference]: Without dead ends: 1207 [2023-12-22 03:32:00,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:00,640 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 133 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:32:00,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 131 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:32:00,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2023-12-22 03:32:00,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1202. [2023-12-22 03:32:00,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 1201 states have (on average 1.0649458784346377) internal successors, (1279), 1201 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:00,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1279 transitions. [2023-12-22 03:32:00,658 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1279 transitions. Word has length 179 [2023-12-22 03:32:00,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:32:00,658 INFO L495 AbstractCegarLoop]: Abstraction has 1202 states and 1279 transitions. [2023-12-22 03:32:00,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:00,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1279 transitions. [2023-12-22 03:32:00,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-12-22 03:32:00,661 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:32:00,662 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:32:00,665 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 (9)] Forceful destruction successful, exit code 0 [2023-12-22 03:32:00,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:32:00,865 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:32:00,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:32:00,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1224284742, now seen corresponding path program 1 times [2023-12-22 03:32:00,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:32:00,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255138870] [2023-12-22 03:32:00,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:32:00,867 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:32:00,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:32:00,868 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 03:32:00,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-22 03:32:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:32:00,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:32:00,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:32:00,990 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-22 03:32:00,990 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:32:00,990 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:32:00,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255138870] [2023-12-22 03:32:00,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255138870] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:32:00,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:32:00,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:32:00,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018616556] [2023-12-22 03:32:00,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:32:00,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:32:00,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:32:00,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:32:00,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:00,992 INFO L87 Difference]: Start difference. First operand 1202 states and 1279 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:01,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:32:01,372 INFO L93 Difference]: Finished difference Result 2964 states and 3163 transitions. [2023-12-22 03:32:01,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:32:01,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 267 [2023-12-22 03:32:01,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:32:01,377 INFO L225 Difference]: With dead ends: 2964 [2023-12-22 03:32:01,377 INFO L226 Difference]: Without dead ends: 1620 [2023-12-22 03:32:01,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:01,379 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 119 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-22 03:32:01,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 129 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-22 03:32:01,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2023-12-22 03:32:01,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1620. [2023-12-22 03:32:01,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1619 states have (on average 1.0531192093885113) internal successors, (1705), 1619 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:01,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 1705 transitions. [2023-12-22 03:32:01,400 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 1705 transitions. Word has length 267 [2023-12-22 03:32:01,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:32:01,401 INFO L495 AbstractCegarLoop]: Abstraction has 1620 states and 1705 transitions. [2023-12-22 03:32:01,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 1705 transitions. [2023-12-22 03:32:01,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-12-22 03:32:01,405 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:32:01,405 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:32:01,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-22 03:32:01,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:32:01,608 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:32:01,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:32:01,608 INFO L85 PathProgramCache]: Analyzing trace with hash 151264125, now seen corresponding path program 1 times [2023-12-22 03:32:01,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:32:01,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030126048] [2023-12-22 03:32:01,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:32:01,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:32:01,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:32:01,610 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 03:32:01,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-22 03:32:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:32:01,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 03:32:01,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:32:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 03:32:01,907 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:32:01,907 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:32:01,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030126048] [2023-12-22 03:32:01,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030126048] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:32:01,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:32:01,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-22 03:32:01,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002885012] [2023-12-22 03:32:01,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:32:01,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-22 03:32:01,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:32:01,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-22 03:32:01,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-22 03:32:01,909 INFO L87 Difference]: Start difference. First operand 1620 states and 1705 transitions. Second operand has 4 states, 4 states have (on average 72.5) internal successors, (290), 4 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:02,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:32:02,548 INFO L93 Difference]: Finished difference Result 3383 states and 3568 transitions. [2023-12-22 03:32:02,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-22 03:32:02,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.5) internal successors, (290), 4 states have internal predecessors, (290), 0 states have call successors, (0), 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 290 [2023-12-22 03:32:02,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:32:02,552 INFO L225 Difference]: With dead ends: 3383 [2023-12-22 03:32:02,552 INFO L226 Difference]: Without dead ends: 1470 [2023-12-22 03:32:02,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-22 03:32:02,554 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 208 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-22 03:32:02,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 244 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-22 03:32:02,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2023-12-22 03:32:02,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 1466. [2023-12-22 03:32:02,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1466 states, 1465 states have (on average 1.040273037542662) internal successors, (1524), 1465 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1524 transitions. [2023-12-22 03:32:02,573 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 1524 transitions. Word has length 290 [2023-12-22 03:32:02,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:32:02,573 INFO L495 AbstractCegarLoop]: Abstraction has 1466 states and 1524 transitions. [2023-12-22 03:32:02,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.5) internal successors, (290), 4 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1524 transitions. [2023-12-22 03:32:02,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2023-12-22 03:32:02,576 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:32:02,577 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-12-22 03:32:02,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-22 03:32:02,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:32:02,780 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:32:02,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:32:02,781 INFO L85 PathProgramCache]: Analyzing trace with hash -2108889080, now seen corresponding path program 1 times [2023-12-22 03:32:02,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:32:02,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683490550] [2023-12-22 03:32:02,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:32:02,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:32:02,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:32:02,784 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 03:32:02,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-22 03:32:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:32:02,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-22 03:32:02,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:32:04,589 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 55 proven. 202 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-22 03:32:04,589 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 03:32:07,119 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 37 proven. 220 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-22 03:32:07,119 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:32:07,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683490550] [2023-12-22 03:32:07,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [683490550] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 03:32:07,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 03:32:07,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-12-22 03:32:07,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854795604] [2023-12-22 03:32:07,120 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 03:32:07,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-22 03:32:07,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:32:07,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-22 03:32:07,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2023-12-22 03:32:07,122 INFO L87 Difference]: Start difference. First operand 1466 states and 1524 transitions. Second operand has 17 states, 17 states have (on average 20.470588235294116) internal successors, (348), 16 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:09,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:32:09,540 INFO L93 Difference]: Finished difference Result 3998 states and 4170 transitions. [2023-12-22 03:32:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-12-22 03:32:09,541 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 20.470588235294116) internal successors, (348), 16 states have internal predecessors, (348), 0 states have call successors, (0), 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 325 [2023-12-22 03:32:09,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:32:09,546 INFO L225 Difference]: With dead ends: 3998 [2023-12-22 03:32:09,546 INFO L226 Difference]: Without dead ends: 2095 [2023-12-22 03:32:09,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 633 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2023-12-22 03:32:09,548 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 1021 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 2226 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 2286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 2226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-22 03:32:09,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1021 Valid, 127 Invalid, 2286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 2226 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-22 03:32:09,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2023-12-22 03:32:09,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 1924. [2023-12-22 03:32:09,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1924 states, 1923 states have (on average 1.0395215808632345) internal successors, (1999), 1923 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1924 states and 1999 transitions. [2023-12-22 03:32:09,573 INFO L78 Accepts]: Start accepts. Automaton has 1924 states and 1999 transitions. Word has length 325 [2023-12-22 03:32:09,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:32:09,573 INFO L495 AbstractCegarLoop]: Abstraction has 1924 states and 1999 transitions. [2023-12-22 03:32:09,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 20.470588235294116) internal successors, (348), 16 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:09,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 1999 transitions. [2023-12-22 03:32:09,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2023-12-22 03:32:09,577 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:32:09,577 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:32:09,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-22 03:32:09,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:32:09,780 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:32:09,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:32:09,780 INFO L85 PathProgramCache]: Analyzing trace with hash 75277344, now seen corresponding path program 1 times [2023-12-22 03:32:09,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:32:09,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808954741] [2023-12-22 03:32:09,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:32:09,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:32:09,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:32:09,782 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 03:32:09,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-22 03:32:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:32:09,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 03:32:09,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:32:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-12-22 03:32:10,070 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:32:10,071 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:32:10,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808954741] [2023-12-22 03:32:10,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808954741] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:32:10,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:32:10,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:32:10,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413698400] [2023-12-22 03:32:10,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:32:10,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:32:10,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:32:10,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:32:10,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:10,073 INFO L87 Difference]: Start difference. First operand 1924 states and 1999 transitions. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:10,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:32:10,391 INFO L93 Difference]: Finished difference Result 3706 states and 3852 transitions. [2023-12-22 03:32:10,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:32:10,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 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 342 [2023-12-22 03:32:10,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:32:10,394 INFO L225 Difference]: With dead ends: 3706 [2023-12-22 03:32:10,395 INFO L226 Difference]: Without dead ends: 1783 [2023-12-22 03:32:10,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:10,396 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 77 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-22 03:32:10,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 193 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-22 03:32:10,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2023-12-22 03:32:10,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1486. [2023-12-22 03:32:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1485 states have (on average 1.0336700336700337) internal successors, (1535), 1485 states have internal predecessors, (1535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:10,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 1535 transitions. [2023-12-22 03:32:10,418 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 1535 transitions. Word has length 342 [2023-12-22 03:32:10,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:32:10,418 INFO L495 AbstractCegarLoop]: Abstraction has 1486 states and 1535 transitions. [2023-12-22 03:32:10,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:10,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1535 transitions. [2023-12-22 03:32:10,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2023-12-22 03:32:10,421 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 03:32:10,422 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:32:10,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-22 03:32:10,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:32:10,624 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 03:32:10,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 03:32:10,625 INFO L85 PathProgramCache]: Analyzing trace with hash -614030566, now seen corresponding path program 1 times [2023-12-22 03:32:10,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 03:32:10,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282039103] [2023-12-22 03:32:10,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 03:32:10,626 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:32:10,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 03:32:10,627 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 03:32:10,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-22 03:32:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 03:32:10,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 03:32:10,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 03:32:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-12-22 03:32:10,756 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 03:32:10,756 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 03:32:10,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282039103] [2023-12-22 03:32:10,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282039103] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 03:32:10,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 03:32:10,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 03:32:10,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985092131] [2023-12-22 03:32:10,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 03:32:10,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 03:32:10,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 03:32:10,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 03:32:10,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:10,757 INFO L87 Difference]: Start difference. First operand 1486 states and 1535 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:11,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 03:32:11,033 INFO L93 Difference]: Finished difference Result 1976 states and 2038 transitions. [2023-12-22 03:32:11,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 03:32:11,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 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 366 [2023-12-22 03:32:11,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 03:32:11,034 INFO L225 Difference]: With dead ends: 1976 [2023-12-22 03:32:11,034 INFO L226 Difference]: Without dead ends: 0 [2023-12-22 03:32:11,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 03:32:11,035 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 122 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-22 03:32:11,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 162 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-22 03:32:11,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-22 03:32:11,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-22 03:32:11,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-22 03:32:11,036 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 366 [2023-12-22 03:32:11,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 03:32:11,037 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-22 03:32:11,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 03:32:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-22 03:32:11,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-22 03:32:11,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 03:32:11,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-12-22 03:32:11,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 03:32:11,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-22 03:32:11,522 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,523 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,523 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,523 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-12-22 03:32:11,523 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-12-22 03:32:11,523 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-12-22 03:32:11,523 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-12-22 03:32:11,523 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-12-22 03:32:11,523 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,523 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,523 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,523 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-12-22 03:32:11,524 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-12-22 03:32:11,524 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,524 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,524 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,524 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-12-22 03:32:11,524 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-12-22 03:32:11,524 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-12-22 03:32:11,524 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-12-22 03:32:11,524 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-12-22 03:32:11,524 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-12-22 03:32:11,524 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-12-22 03:32:11,524 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,524 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,525 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-12-22 03:32:11,526 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,527 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,528 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,528 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-12-22 03:32:11,528 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-12-22 03:32:11,528 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-12-22 03:32:11,528 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-12-22 03:32:11,528 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-12-22 03:32:11,528 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,528 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,528 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,528 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-12-22 03:32:11,528 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-12-22 03:32:11,528 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,528 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-12-22 03:32:11,529 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 627) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-12-22 03:32:11,530 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-12-22 03:32:11,531 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-12-22 03:32:11,531 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-12-22 03:32:11,531 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-12-22 03:32:11,531 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-12-22 03:32:11,531 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,531 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,531 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-12-22 03:32:11,531 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-12-22 03:32:11,531 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-12-22 03:32:11,531 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-12-22 03:32:11,532 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse5 (= (_ bv1 32) ~a19~0))) (let ((.cse7 (not .cse5)) (.cse6 (not (= (_ bv1 32) ~a21~0)))) (let ((.cse8 (= (_ bv7 32) ~a28~0)) (.cse3 (= (_ bv10 32) ~a28~0)) (.cse9 (= (_ bv8 32) ~a28~0)) (.cse10 (= (_ bv0 32) ~a25~0)) (.cse4 (= (_ bv0 32) ~a11~0)) (.cse11 (or .cse7 .cse6)) (.cse1 (= (_ bv8 32) ~a17~0)) (.cse0 (= (_ bv1 32) ~a11~0)) (.cse2 (= (_ bv1 32) ~a25~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6) (and .cse0 (= (_ bv11 32) ~a28~0)) (and .cse2 .cse5 .cse4) (and .cse7 (or .cse8 (and .cse2 .cse9)) .cse4 .cse1) (and .cse5 .cse4 (= ~a28~0 (_ bv9 32)) .cse1) (and .cse8 .cse10 .cse4 .cse1) (and .cse5 .cse3 .cse4 .cse1) (and .cse0 .cse11) (and .cse9 .cse10 .cse4 .cse11 .cse1) (and (= (_ bv7 32) ~a17~0) .cse0 .cse2))))) [2023-12-22 03:32:11,532 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,532 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,532 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-12-22 03:32:11,532 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-12-22 03:32:11,532 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-12-22 03:32:11,532 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,532 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,532 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-12-22 03:32:11,532 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,533 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,534 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-12-22 03:32:11,534 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-12-22 03:32:11,534 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,534 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,534 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,534 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-12-22 03:32:11,534 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-12-22 03:32:11,534 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-12-22 03:32:11,534 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-12-22 03:32:11,537 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 03:32:11,539 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 03:32:11,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 03:32:11 BoogieIcfgContainer [2023-12-22 03:32:11,558 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 03:32:11,558 INFO L158 Benchmark]: Toolchain (without parser) took 28022.62ms. Allocated memory was 269.5MB in the beginning and 614.5MB in the end (delta: 345.0MB). Free memory was 220.4MB in the beginning and 505.0MB in the end (delta: -284.5MB). Peak memory consumption was 62.0MB. Max. memory is 8.0GB. [2023-12-22 03:32:11,558 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 154.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 03:32:11,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.66ms. Allocated memory is still 269.5MB. Free memory was 220.2MB in the beginning and 191.8MB in the end (delta: 28.4MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-22 03:32:11,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.07ms. Allocated memory is still 269.5MB. Free memory was 191.8MB in the beginning and 237.1MB in the end (delta: -45.3MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. [2023-12-22 03:32:11,559 INFO L158 Benchmark]: Boogie Preprocessor took 100.60ms. Allocated memory is still 269.5MB. Free memory was 237.1MB in the beginning and 231.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-22 03:32:11,559 INFO L158 Benchmark]: RCFGBuilder took 1258.47ms. Allocated memory is still 269.5MB. Free memory was 231.8MB in the beginning and 116.5MB in the end (delta: 115.3MB). Peak memory consumption was 115.3MB. Max. memory is 8.0GB. [2023-12-22 03:32:11,559 INFO L158 Benchmark]: TraceAbstraction took 26042.94ms. Allocated memory was 269.5MB in the beginning and 614.5MB in the end (delta: 345.0MB). Free memory was 115.5MB in the beginning and 505.0MB in the end (delta: -389.5MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 03:32:11,561 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 154.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 485.66ms. Allocated memory is still 269.5MB. Free memory was 220.2MB in the beginning and 191.8MB in the end (delta: 28.4MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 129.07ms. Allocated memory is still 269.5MB. Free memory was 191.8MB in the beginning and 237.1MB in the end (delta: -45.3MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 100.60ms. Allocated memory is still 269.5MB. Free memory was 237.1MB in the beginning and 231.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1258.47ms. Allocated memory is still 269.5MB. Free memory was 231.8MB in the beginning and 116.5MB in the end (delta: 115.3MB). Peak memory consumption was 115.3MB. Max. memory is 8.0GB. * TraceAbstraction took 26042.94ms. Allocated memory was 269.5MB in the beginning and 614.5MB in the end (delta: 345.0MB). Free memory was 115.5MB in the beginning and 505.0MB in the end (delta: -389.5MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 602]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 165 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.0s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3208 SdHoareTripleChecker+Valid, 8.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3208 mSDsluCounter, 2218 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 415 mSDsCounter, 742 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8611 IncrementalHoareTripleChecker+Invalid, 9353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 742 mSolverCounterUnsat, 1803 mSDtfsCounter, 8611 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3169 GetRequests, 3115 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1924occurred in iteration=11, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 762 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 22 NumberOfFragments, 149 HoareAnnotationTreeSize, 1 FormulaSimplifications, 140 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FormulaSimplificationsInter, 308 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 11.9s InterpolantComputationTime, 2845 NumberOfCodeBlocks, 2845 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3156 ConstructedInterpolants, 0 QuantifiedInterpolants, 19080 SizeOfPredicates, 24 NumberOfNonLiveVariables, 3653 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 1830/2252 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((((((((1 == a11) && (8 == a17)) || (((1 == a25) && (10 == a28)) && (0 == a11))) || ((1 == a19) && !((1 == a21)))) || ((1 == a11) && (11 == a28))) || (((1 == a25) && (1 == a19)) && (0 == a11))) || (((!((1 == a19)) && ((7 == a28) || ((1 == a25) && (8 == a28)))) && (0 == a11)) && (8 == a17))) || ((((1 == a19) && (0 == a11)) && (a28 == 9)) && (8 == a17))) || ((((7 == a28) && (0 == a25)) && (0 == a11)) && (8 == a17))) || ((((1 == a19) && (10 == a28)) && (0 == a11)) && (8 == a17))) || ((1 == a11) && (!((1 == a19)) || !((1 == a21))))) || (((((8 == a28) && (0 == a25)) && (0 == a11)) && (!((1 == a19)) || !((1 == a21)))) && (8 == a17))) || (((7 == a17) && (1 == a11)) && (1 == a25))) RESULT: Ultimate proved your program to be correct! [2023-12-22 03:32:11,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...