/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/Problem16_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 14:06:56,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 14:06:56,200 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 14:06:56,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 14:06:56,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 14:06:56,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 14:06:56,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 14:06:56,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 14:06:56,222 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 14:06:56,225 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 14:06:56,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 14:06:56,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 14:06:56,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 14:06:56,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 14:06:56,227 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 14:06:56,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 14:06:56,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 14:06:56,228 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 14:06:56,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 14:06:56,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 14:06:56,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 14:06:56,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 14:06:56,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 14:06:56,229 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 14:06:56,230 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 14:06:56,230 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 14:06:56,230 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 14:06:56,230 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 14:06:56,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 14:06:56,230 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 14:06:56,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 14:06:56,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 14:06:56,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 14:06:56,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 14:06:56,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 14:06:56,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 14:06:56,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 14:06:56,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 14:06:56,232 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 14:06:56,232 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 14:06:56,232 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 14:06:56,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 14:06:56,233 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 14:06:56,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 14:06:56,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 14:06:56,233 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 14:06:56,233 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 14:06:56,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 14:06:56,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 14:06:56,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 14:06:56,449 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 14:06:56,450 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 14:06:56,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label11.c [2023-12-22 14:06:57,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 14:06:57,631 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 14:06:57,631 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label11.c [2023-12-22 14:06:57,646 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648f68490/6d554fd8a34f4024a75fde5782694e3c/FLAG3baf55c80 [2023-12-22 14:06:57,657 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/648f68490/6d554fd8a34f4024a75fde5782694e3c [2023-12-22 14:06:57,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 14:06:57,659 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 14:06:57,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 14:06:57,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 14:06:57,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 14:06:57,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:06:57" (1/1) ... [2023-12-22 14:06:57,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f49f21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:57, skipping insertion in model container [2023-12-22 14:06:57,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:06:57" (1/1) ... [2023-12-22 14:06:57,720 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 14:06:57,881 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/Problem16_label11.c[5798,5811] [2023-12-22 14:06:58,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 14:06:58,196 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 14:06:58,213 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/Problem16_label11.c[5798,5811] [2023-12-22 14:06:58,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 14:06:58,370 INFO L206 MainTranslator]: Completed translation [2023-12-22 14:06:58,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58 WrapperNode [2023-12-22 14:06:58,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 14:06:58,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 14:06:58,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 14:06:58,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 14:06:58,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58" (1/1) ... [2023-12-22 14:06:58,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58" (1/1) ... [2023-12-22 14:06:58,455 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1767 [2023-12-22 14:06:58,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 14:06:58,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 14:06:58,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 14:06:58,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 14:06:58,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58" (1/1) ... [2023-12-22 14:06:58,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58" (1/1) ... [2023-12-22 14:06:58,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58" (1/1) ... [2023-12-22 14:06:58,508 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 14:06:58,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58" (1/1) ... [2023-12-22 14:06:58,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58" (1/1) ... [2023-12-22 14:06:58,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58" (1/1) ... [2023-12-22 14:06:58,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58" (1/1) ... [2023-12-22 14:06:58,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58" (1/1) ... [2023-12-22 14:06:58,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58" (1/1) ... [2023-12-22 14:06:58,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 14:06:58,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 14:06:58,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 14:06:58,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 14:06:58,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58" (1/1) ... [2023-12-22 14:06:58,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 14:06:58,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 14:06:58,608 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 14:06:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 14:06:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 14:06:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 14:06:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 14:06:58,631 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 14:06:58,704 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 14:06:58,705 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 14:07:04,557 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 14:07:04,586 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 14:07:04,587 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 14:07:04,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:07:04 BoogieIcfgContainer [2023-12-22 14:07:04,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 14:07:04,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 14:07:04,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 14:07:04,591 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 14:07:04,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:06:57" (1/3) ... [2023-12-22 14:07:04,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1248a9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:07:04, skipping insertion in model container [2023-12-22 14:07:04,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:06:58" (2/3) ... [2023-12-22 14:07:04,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1248a9f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:07:04, skipping insertion in model container [2023-12-22 14:07:04,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:07:04" (3/3) ... [2023-12-22 14:07:04,592 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label11.c [2023-12-22 14:07:04,605 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 14:07:04,605 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 14:07:04,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 14:07:04,649 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;@51d43de1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 14:07:04,649 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 14:07:04,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 334 states, 332 states have (on average 1.9909638554216869) internal successors, (661), 333 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 14:07:04,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-22 14:07:04,657 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:07:04,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 14:07:04,658 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:07:04,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:07:04,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1586818932, now seen corresponding path program 1 times [2023-12-22 14:07:04,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:07:04,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579373236] [2023-12-22 14:07:04,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:07:04,672 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 14:07:04,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:07:04,674 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 14:07:04,678 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 14:07:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:07:04,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 14:07:04,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:07:04,728 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 14:07:04,728 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 14:07:04,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:07:04,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579373236] [2023-12-22 14:07:04,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1579373236] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 14:07:04,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 14:07:04,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 14:07:04,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766247196] [2023-12-22 14:07:04,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 14:07:04,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 14:07:04,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:07:04,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 14:07:04,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 14:07:04,750 INFO L87 Difference]: Start difference. First operand has 334 states, 332 states have (on average 1.9909638554216869) internal successors, (661), 333 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 14:07:04,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:07:04,790 INFO L93 Difference]: Finished difference Result 667 states and 1321 transitions. [2023-12-22 14:07:04,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 14:07:04,796 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2023-12-22 14:07:04,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:07:04,809 INFO L225 Difference]: With dead ends: 667 [2023-12-22 14:07:04,809 INFO L226 Difference]: Without dead ends: 332 [2023-12-22 14:07:04,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 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 14:07:04,816 INFO L413 NwaCegarLoop]: 596 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, 596 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 14:07:04,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 596 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-22 14:07:04,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-12-22 14:07:04,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2023-12-22 14:07:04,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 331 states have (on average 1.8006042296072509) internal successors, (596), 331 states have internal predecessors, (596), 0 states have call successors, (0), 0 states 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 14:07:04,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 596 transitions. [2023-12-22 14:07:04,860 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 596 transitions. Word has length 54 [2023-12-22 14:07:04,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:07:04,860 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 596 transitions. [2023-12-22 14:07:04,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 14:07:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 596 transitions. [2023-12-22 14:07:04,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-22 14:07:04,861 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:07:04,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 14:07:04,868 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 14:07:05,065 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 14:07:05,066 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:07:05,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:07:05,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1449819885, now seen corresponding path program 1 times [2023-12-22 14:07:05,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:07:05,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063695261] [2023-12-22 14:07:05,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:07:05,068 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 14:07:05,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:07:05,069 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 14:07:05,072 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 14:07:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:07:05,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 14:07:05,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:07:05,227 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 14:07:05,227 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 14:07:05,227 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:07:05,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063695261] [2023-12-22 14:07:05,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063695261] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 14:07:05,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 14:07:05,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 14:07:05,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701850137] [2023-12-22 14:07:05,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 14:07:05,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 14:07:05,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:07:05,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 14:07:05,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 14:07:05,233 INFO L87 Difference]: Start difference. First operand 332 states and 596 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 14:07:13,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:07:13,296 INFO L93 Difference]: Finished difference Result 992 states and 1785 transitions. [2023-12-22 14:07:13,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 14:07:13,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2023-12-22 14:07:13,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:07:13,298 INFO L225 Difference]: With dead ends: 992 [2023-12-22 14:07:13,299 INFO L226 Difference]: Without dead ends: 661 [2023-12-22 14:07:13,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 14:07:13,300 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 286 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-12-22 14:07:13,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 223 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-12-22 14:07:13,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2023-12-22 14:07:13,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2023-12-22 14:07:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 660 states have (on average 1.4833333333333334) internal successors, (979), 660 states have internal predecessors, (979), 0 states have call successors, (0), 0 states 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 14:07:13,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 979 transitions. [2023-12-22 14:07:13,316 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 979 transitions. Word has length 54 [2023-12-22 14:07:13,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:07:13,316 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 979 transitions. [2023-12-22 14:07:13,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 14:07:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 979 transitions. [2023-12-22 14:07:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-22 14:07:13,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:07:13,319 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:07:13,323 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 14:07:13,521 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 14:07:13,521 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:07:13,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:07:13,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1312754748, now seen corresponding path program 1 times [2023-12-22 14:07:13,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:07:13,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361463616] [2023-12-22 14:07:13,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:07:13,523 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 14:07:13,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:07:13,528 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 14:07:13,530 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 14:07:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:07:13,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 14:07:13,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:07:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 14:07:13,711 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 14:07:13,711 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:07:13,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361463616] [2023-12-22 14:07:13,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1361463616] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 14:07:13,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 14:07:13,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 14:07:13,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337089017] [2023-12-22 14:07:13,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 14:07:13,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 14:07:13,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:07:13,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 14:07:13,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 14:07:13,716 INFO L87 Difference]: Start difference. First operand 661 states and 979 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states 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 14:07:19,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:07:19,202 INFO L93 Difference]: Finished difference Result 1650 states and 2340 transitions. [2023-12-22 14:07:19,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 14:07:19,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2023-12-22 14:07:19,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:07:19,206 INFO L225 Difference]: With dead ends: 1650 [2023-12-22 14:07:19,206 INFO L226 Difference]: Without dead ends: 990 [2023-12-22 14:07:19,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 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 14:07:19,207 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 260 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-12-22 14:07:19,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 247 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-12-22 14:07:19,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2023-12-22 14:07:19,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 990. [2023-12-22 14:07:19,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 990 states, 989 states have (on average 1.352881698685541) internal successors, (1338), 989 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states 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 14:07:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1338 transitions. [2023-12-22 14:07:19,229 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1338 transitions. Word has length 126 [2023-12-22 14:07:19,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:07:19,229 INFO L495 AbstractCegarLoop]: Abstraction has 990 states and 1338 transitions. [2023-12-22 14:07:19,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states 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 14:07:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1338 transitions. [2023-12-22 14:07:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-22 14:07:19,231 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:07:19,231 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:07:19,237 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 14:07:19,436 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 14:07:19,437 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:07:19,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:07:19,437 INFO L85 PathProgramCache]: Analyzing trace with hash 2030340967, now seen corresponding path program 1 times [2023-12-22 14:07:19,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:07:19,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521823638] [2023-12-22 14:07:19,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:07:19,439 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 14:07:19,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:07:19,439 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 14:07:19,449 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 14:07:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:07:19,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 14:07:19,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:07:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 14:07:19,579 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 14:07:19,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:07:19,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1521823638] [2023-12-22 14:07:19,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1521823638] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 14:07:19,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 14:07:19,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 14:07:19,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805549016] [2023-12-22 14:07:19,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 14:07:19,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 14:07:19,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:07:19,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 14:07:19,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 14:07:19,584 INFO L87 Difference]: Start difference. First operand 990 states and 1338 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states 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 14:07:27,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:07:27,228 INFO L93 Difference]: Finished difference Result 2637 states and 3652 transitions. [2023-12-22 14:07:27,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 14:07:27,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2023-12-22 14:07:27,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:07:27,234 INFO L225 Difference]: With dead ends: 2637 [2023-12-22 14:07:27,234 INFO L226 Difference]: Without dead ends: 1977 [2023-12-22 14:07:27,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 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 14:07:27,235 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 314 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-12-22 14:07:27,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 197 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-12-22 14:07:27,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2023-12-22 14:07:27,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1977. [2023-12-22 14:07:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1977 states, 1976 states have (on average 1.2282388663967612) internal successors, (2427), 1976 states have internal predecessors, (2427), 0 states have call successors, (0), 0 states 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 14:07:27,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2427 transitions. [2023-12-22 14:07:27,267 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2427 transitions. Word has length 141 [2023-12-22 14:07:27,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:07:27,267 INFO L495 AbstractCegarLoop]: Abstraction has 1977 states and 2427 transitions. [2023-12-22 14:07:27,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states 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 14:07:27,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2427 transitions. [2023-12-22 14:07:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-12-22 14:07:27,270 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:07:27,271 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2023-12-22 14:07:27,273 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 14:07:27,473 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 14:07:27,474 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:07:27,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:07:27,474 INFO L85 PathProgramCache]: Analyzing trace with hash -31381204, now seen corresponding path program 1 times [2023-12-22 14:07:27,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:07:27,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669813930] [2023-12-22 14:07:27,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:07:27,476 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 14:07:27,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:07:27,478 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 14:07:27,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-22 14:07:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:07:27,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-22 14:07:27,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:07:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 14:07:28,526 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 14:07:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 14:07:33,231 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:07:33,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669813930] [2023-12-22 14:07:33,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669813930] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 14:07:33,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 14:07:33,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-22 14:07:33,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842020946] [2023-12-22 14:07:33,232 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 14:07:33,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-22 14:07:33,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:07:33,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-22 14:07:33,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-22 14:07:33,233 INFO L87 Difference]: Start difference. First operand 1977 states and 2427 transitions. Second operand has 7 states, 7 states have (on average 50.42857142857143) internal successors, (353), 6 states have internal predecessors, (353), 0 states have call successors, (0), 0 states 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 14:07:57,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:08:17,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:08:21,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:08:46,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:08:55,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:08:55,397 INFO L93 Difference]: Finished difference Result 5771 states and 7368 transitions. [2023-12-22 14:08:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-22 14:08:55,401 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 50.42857142857143) internal successors, (353), 6 states have internal predecessors, (353), 0 states have call successors, (0), 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 209 [2023-12-22 14:08:55,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:08:55,412 INFO L225 Difference]: With dead ends: 5771 [2023-12-22 14:08:55,412 INFO L226 Difference]: Without dead ends: 4453 [2023-12-22 14:08:55,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2023-12-22 14:08:55,415 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 3140 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 4005 mSolverCounterSat, 855 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3140 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 4860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 855 IncrementalHoareTripleChecker+Valid, 4005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.6s IncrementalHoareTripleChecker+Time [2023-12-22 14:08:55,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3140 Valid, 120 Invalid, 4860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [855 Valid, 4005 Invalid, 0 Unknown, 0 Unchecked, 81.6s Time] [2023-12-22 14:08:55,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4453 states. [2023-12-22 14:08:55,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4453 to 3293. [2023-12-22 14:08:55,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3293 states, 3292 states have (on average 1.229951397326853) internal successors, (4049), 3292 states have internal predecessors, (4049), 0 states have call successors, (0), 0 states 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 14:08:55,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 3293 states and 4049 transitions. [2023-12-22 14:08:55,470 INFO L78 Accepts]: Start accepts. Automaton has 3293 states and 4049 transitions. Word has length 209 [2023-12-22 14:08:55,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:08:55,475 INFO L495 AbstractCegarLoop]: Abstraction has 3293 states and 4049 transitions. [2023-12-22 14:08:55,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 50.42857142857143) internal successors, (353), 6 states have internal predecessors, (353), 0 states have call successors, (0), 0 states 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 14:08:55,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3293 states and 4049 transitions. [2023-12-22 14:08:55,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2023-12-22 14:08:55,481 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:08:55,482 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, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 14:08:55,490 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 14:08:55,685 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 14:08:55,686 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:08:55,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:08:55,686 INFO L85 PathProgramCache]: Analyzing trace with hash 301013970, now seen corresponding path program 1 times [2023-12-22 14:08:55,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:08:55,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800205654] [2023-12-22 14:08:55,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:08:55,688 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 14:08:55,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:08:55,689 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 14:08:55,695 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 14:08:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:08:55,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-22 14:08:55,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:08:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 274 proven. 56 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-12-22 14:08:56,362 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 14:08:58,962 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 274 proven. 56 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-12-22 14:08:58,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:08:58,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800205654] [2023-12-22 14:08:58,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1800205654] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 14:08:58,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 14:08:58,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-12-22 14:08:58,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271406448] [2023-12-22 14:08:58,963 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 14:08:58,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-22 14:08:58,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:08:58,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-22 14:08:58,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-22 14:08:58,964 INFO L87 Difference]: Start difference. First operand 3293 states and 4049 transitions. Second operand has 6 states, 6 states have (on average 89.33333333333333) internal successors, (536), 5 states have internal predecessors, (536), 0 states have call successors, (0), 0 states 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 14:09:11,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:09:13,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:09:17,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:09:30,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:09:31,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:09:33,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:09:36,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:10:03,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:10:05,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:10:32,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:10:53,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:10:55,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:11:13,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:11:20,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:11:21,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:11:21,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:11:21,388 INFO L93 Difference]: Finished difference Result 7804 states and 9946 transitions. [2023-12-22 14:11:21,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-22 14:11:21,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 89.33333333333333) internal successors, (536), 5 states have internal predecessors, (536), 0 states have call successors, (0), 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 469 [2023-12-22 14:11:21,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:11:21,399 INFO L225 Difference]: With dead ends: 7804 [2023-12-22 14:11:21,400 INFO L226 Difference]: Without dead ends: 4940 [2023-12-22 14:11:21,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 937 GetRequests, 932 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-22 14:11:21,403 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 760 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 2649 mSolverCounterSat, 685 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 135.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 3335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 2649 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142.1s IncrementalHoareTripleChecker+Time [2023-12-22 14:11:21,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 33 Invalid, 3335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 2649 Invalid, 1 Unknown, 0 Unchecked, 142.1s Time] [2023-12-22 14:11:21,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4940 states. [2023-12-22 14:11:21,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4940 to 4938. [2023-12-22 14:11:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4938 states, 4937 states have (on average 1.13672270609682) internal successors, (5612), 4937 states have internal predecessors, (5612), 0 states have call successors, (0), 0 states 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 14:11:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4938 states to 4938 states and 5612 transitions. [2023-12-22 14:11:21,464 INFO L78 Accepts]: Start accepts. Automaton has 4938 states and 5612 transitions. Word has length 469 [2023-12-22 14:11:21,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:11:21,464 INFO L495 AbstractCegarLoop]: Abstraction has 4938 states and 5612 transitions. [2023-12-22 14:11:21,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 89.33333333333333) internal successors, (536), 5 states have internal predecessors, (536), 0 states have call successors, (0), 0 states 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 14:11:21,465 INFO L276 IsEmpty]: Start isEmpty. Operand 4938 states and 5612 transitions. [2023-12-22 14:11:21,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2023-12-22 14:11:21,470 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:11:21,470 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2023-12-22 14:11:21,477 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 14:11:21,675 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 14:11:21,675 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:11:21,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:11:21,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1752131792, now seen corresponding path program 1 times [2023-12-22 14:11:21,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:11:21,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321732123] [2023-12-22 14:11:21,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:11:21,677 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 14:11:21,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:11:21,678 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 14:11:21,684 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 14:11:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:11:21,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 14:11:21,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:11:22,718 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 394 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-12-22 14:11:22,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 14:11:22,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:11:22,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321732123] [2023-12-22 14:11:22,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321732123] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 14:11:22,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 14:11:22,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 14:11:22,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572410152] [2023-12-22 14:11:22,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 14:11:22,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-22 14:11:22,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:11:22,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-22 14:11:22,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-22 14:11:22,720 INFO L87 Difference]: Start difference. First operand 4938 states and 5612 transitions. Second operand has 4 states, 4 states have (on average 111.25) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states 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 14:11:27,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:11:27,925 INFO L93 Difference]: Finished difference Result 9546 states and 10892 transitions. [2023-12-22 14:11:27,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-22 14:11:27,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 111.25) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 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 497 [2023-12-22 14:11:27,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:11:27,939 INFO L225 Difference]: With dead ends: 9546 [2023-12-22 14:11:27,939 INFO L226 Difference]: Without dead ends: 4938 [2023-12-22 14:11:27,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 494 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 14:11:27,944 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 301 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-22 14:11:27,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 139 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1554 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-12-22 14:11:27,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4938 states. [2023-12-22 14:11:27,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4938 to 4938. [2023-12-22 14:11:27,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4938 states, 4937 states have (on average 1.1353048409965567) internal successors, (5605), 4937 states have internal predecessors, (5605), 0 states have call successors, (0), 0 states 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 14:11:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4938 states to 4938 states and 5605 transitions. [2023-12-22 14:11:27,999 INFO L78 Accepts]: Start accepts. Automaton has 4938 states and 5605 transitions. Word has length 497 [2023-12-22 14:11:28,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:11:28,000 INFO L495 AbstractCegarLoop]: Abstraction has 4938 states and 5605 transitions. [2023-12-22 14:11:28,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.25) internal successors, (445), 3 states have internal predecessors, (445), 0 states have call successors, (0), 0 states 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 14:11:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 4938 states and 5605 transitions. [2023-12-22 14:11:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2023-12-22 14:11:28,008 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:11:28,009 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-22 14:11:28,024 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 14:11:28,213 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 14:11:28,214 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:11:28,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:11:28,214 INFO L85 PathProgramCache]: Analyzing trace with hash -2063651505, now seen corresponding path program 1 times [2023-12-22 14:11:28,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:11:28,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826831998] [2023-12-22 14:11:28,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:11:28,216 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 14:11:28,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:11:28,217 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 14:11:28,219 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 14:11:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:11:28,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-22 14:11:28,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:11:29,383 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 406 proven. 315 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-12-22 14:11:29,384 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 14:11:30,660 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-22 14:11:30,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:11:30,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826831998] [2023-12-22 14:11:30,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826831998] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-22 14:11:30,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-22 14:11:30,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-22 14:11:30,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664828382] [2023-12-22 14:11:30,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 14:11:30,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 14:11:30,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:11:30,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 14:11:30,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-22 14:11:30,663 INFO L87 Difference]: Start difference. First operand 4938 states and 5605 transitions. Second operand has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 states 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 14:11:44,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:11:44,014 INFO L93 Difference]: Finished difference Result 10533 states and 12201 transitions. [2023-12-22 14:11:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 14:11:44,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 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 601 [2023-12-22 14:11:44,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:11:44,034 INFO L225 Difference]: With dead ends: 10533 [2023-12-22 14:11:44,034 INFO L226 Difference]: Without dead ends: 6254 [2023-12-22 14:11:44,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1200 GetRequests, 1196 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-22 14:11:44,038 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 210 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-12-22 14:11:44,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 27 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2023-12-22 14:11:44,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6254 states. [2023-12-22 14:11:44,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6254 to 6254. [2023-12-22 14:11:44,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6254 states, 6253 states have (on average 1.150807612346074) internal successors, (7196), 6253 states have internal predecessors, (7196), 0 states have call successors, (0), 0 states 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 14:11:44,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6254 states to 6254 states and 7196 transitions. [2023-12-22 14:11:44,113 INFO L78 Accepts]: Start accepts. Automaton has 6254 states and 7196 transitions. Word has length 601 [2023-12-22 14:11:44,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:11:44,113 INFO L495 AbstractCegarLoop]: Abstraction has 6254 states and 7196 transitions. [2023-12-22 14:11:44,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 states 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 14:11:44,114 INFO L276 IsEmpty]: Start isEmpty. Operand 6254 states and 7196 transitions. [2023-12-22 14:11:44,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2023-12-22 14:11:44,118 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:11:44,119 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 14:11:44,127 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 14:11:44,327 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 14:11:44,327 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:11:44,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:11:44,327 INFO L85 PathProgramCache]: Analyzing trace with hash 724675992, now seen corresponding path program 1 times [2023-12-22 14:11:44,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:11:44,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1981925582] [2023-12-22 14:11:44,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:11:44,330 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 14:11:44,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:11:44,331 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 14:11:44,332 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 14:11:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:11:44,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 14:11:44,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:11:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-12-22 14:11:45,562 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 14:11:45,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:11:45,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1981925582] [2023-12-22 14:11:45,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1981925582] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 14:11:45,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 14:11:45,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 14:11:45,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046527081] [2023-12-22 14:11:45,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 14:11:45,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 14:11:45,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:11:45,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 14:11:45,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 14:11:45,564 INFO L87 Difference]: Start difference. First operand 6254 states and 7196 transitions. Second operand has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states 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 14:11:50,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:11:50,132 INFO L93 Difference]: Finished difference Result 11849 states and 13729 transitions. [2023-12-22 14:11:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 14:11:50,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 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 625 [2023-12-22 14:11:50,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:11:50,153 INFO L225 Difference]: With dead ends: 11849 [2023-12-22 14:11:50,153 INFO L226 Difference]: Without dead ends: 6254 [2023-12-22 14:11:50,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 623 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 14:11:50,159 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 85 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-12-22 14:11:50,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 130 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-12-22 14:11:50,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6254 states. [2023-12-22 14:11:50,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6254 to 6254. [2023-12-22 14:11:50,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6254 states, 6253 states have (on average 1.1504877658723813) internal successors, (7194), 6253 states have internal predecessors, (7194), 0 states have call successors, (0), 0 states 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 14:11:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6254 states to 6254 states and 7194 transitions. [2023-12-22 14:11:50,224 INFO L78 Accepts]: Start accepts. Automaton has 6254 states and 7194 transitions. Word has length 625 [2023-12-22 14:11:50,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:11:50,224 INFO L495 AbstractCegarLoop]: Abstraction has 6254 states and 7194 transitions. [2023-12-22 14:11:50,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states 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 14:11:50,225 INFO L276 IsEmpty]: Start isEmpty. Operand 6254 states and 7194 transitions. [2023-12-22 14:11:50,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2023-12-22 14:11:50,229 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:11:50,230 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:11:50,238 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 14:11:50,433 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 14:11:50,434 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:11:50,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:11:50,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1615181882, now seen corresponding path program 1 times [2023-12-22 14:11:50,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:11:50,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [831550159] [2023-12-22 14:11:50,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:11:50,437 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 14:11:50,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:11:50,438 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 14:11:50,438 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 14:11:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:11:50,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-22 14:11:50,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:11:52,566 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 406 proven. 349 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-12-22 14:11:52,566 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 14:11:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-12-22 14:11:55,033 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:11:55,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [831550159] [2023-12-22 14:11:55,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [831550159] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-22 14:11:55,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-22 14:11:55,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-12-22 14:11:55,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373322885] [2023-12-22 14:11:55,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 14:11:55,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-22 14:11:55,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:11:55,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-22 14:11:55,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-22 14:11:55,035 INFO L87 Difference]: Start difference. First operand 6254 states and 7194 transitions. Second operand has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 0 states have call successors, (0), 0 states 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 14:12:01,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:12:01,492 INFO L93 Difference]: Finished difference Result 12197 states and 14089 transitions. [2023-12-22 14:12:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-22 14:12:01,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 0 states have call successors, (0), 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 635 [2023-12-22 14:12:01,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:12:01,514 INFO L225 Difference]: With dead ends: 12197 [2023-12-22 14:12:01,514 INFO L226 Difference]: Without dead ends: 6602 [2023-12-22 14:12:01,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1271 GetRequests, 1263 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-22 14:12:01,520 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 628 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 2023 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 2142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-12-22 14:12:01,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 150 Invalid, 2142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 2023 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-12-22 14:12:01,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6602 states. [2023-12-22 14:12:01,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6602 to 6583. [2023-12-22 14:12:01,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6583 states, 6582 states have (on average 1.143421452446065) internal successors, (7526), 6582 states have internal predecessors, (7526), 0 states have call successors, (0), 0 states 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 14:12:01,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6583 states to 6583 states and 7526 transitions. [2023-12-22 14:12:01,588 INFO L78 Accepts]: Start accepts. Automaton has 6583 states and 7526 transitions. Word has length 635 [2023-12-22 14:12:01,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:12:01,590 INFO L495 AbstractCegarLoop]: Abstraction has 6583 states and 7526 transitions. [2023-12-22 14:12:01,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.6) internal successors, (583), 5 states have internal predecessors, (583), 0 states have call successors, (0), 0 states 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 14:12:01,591 INFO L276 IsEmpty]: Start isEmpty. Operand 6583 states and 7526 transitions. [2023-12-22 14:12:01,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2023-12-22 14:12:01,595 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:12:01,596 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, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-22 14:12:01,608 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 14:12:01,800 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 14:12:01,800 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:12:01,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:12:01,801 INFO L85 PathProgramCache]: Analyzing trace with hash 716313786, now seen corresponding path program 1 times [2023-12-22 14:12:01,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:12:01,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311310666] [2023-12-22 14:12:01,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:12:01,803 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 14:12:01,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:12:01,804 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 14:12:01,809 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 14:12:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:12:01,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-22 14:12:01,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:12:04,028 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 0 proven. 557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 14:12:04,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 14:12:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 0 proven. 557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 14:12:28,249 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:12:28,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311310666] [2023-12-22 14:12:28,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311310666] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 14:12:28,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 14:12:28,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-12-22 14:12:28,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796169252] [2023-12-22 14:12:28,250 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 14:12:28,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-22 14:12:28,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:12:28,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-22 14:12:28,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-22 14:12:28,252 INFO L87 Difference]: Start difference. First operand 6583 states and 7526 transitions. Second operand has 9 states, 9 states have (on average 134.66666666666666) internal successors, (1212), 8 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states 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 14:12:33,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:12:41,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:12:48,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:13:00,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:13:02,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:13:07,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:13:09,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:13:18,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:13:23,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:13:31,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:13:40,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:14:13,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:14:54,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:15:00,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:15:06,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:15:20,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:16:12,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:16:12,102 INFO L93 Difference]: Finished difference Result 23322 states and 27029 transitions. [2023-12-22 14:16:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-22 14:16:12,122 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 134.66666666666666) internal successors, (1212), 8 states have internal predecessors, (1212), 0 states have call successors, (0), 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 644 [2023-12-22 14:16:12,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:16:12,143 INFO L225 Difference]: With dead ends: 23322 [2023-12-22 14:16:12,143 INFO L226 Difference]: Without dead ends: 17398 [2023-12-22 14:16:12,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1298 GetRequests, 1279 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2023-12-22 14:16:12,148 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 3584 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 7028 mSolverCounterSat, 916 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 202.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3584 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 7945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 916 IncrementalHoareTripleChecker+Valid, 7028 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 220.8s IncrementalHoareTripleChecker+Time [2023-12-22 14:16:12,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3584 Valid, 91 Invalid, 7945 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [916 Valid, 7028 Invalid, 1 Unknown, 0 Unchecked, 220.8s Time] [2023-12-22 14:16:12,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17398 states. [2023-12-22 14:16:12,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17398 to 11189. [2023-12-22 14:16:12,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11189 states, 11188 states have (on average 1.1294243832677868) internal successors, (12636), 11188 states have internal predecessors, (12636), 0 states have call successors, (0), 0 states 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 14:16:12,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11189 states to 11189 states and 12636 transitions. [2023-12-22 14:16:12,320 INFO L78 Accepts]: Start accepts. Automaton has 11189 states and 12636 transitions. Word has length 644 [2023-12-22 14:16:12,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:16:12,320 INFO L495 AbstractCegarLoop]: Abstraction has 11189 states and 12636 transitions. [2023-12-22 14:16:12,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 134.66666666666666) internal successors, (1212), 8 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states 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 14:16:12,321 INFO L276 IsEmpty]: Start isEmpty. Operand 11189 states and 12636 transitions. [2023-12-22 14:16:12,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2023-12-22 14:16:12,325 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:16:12,326 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:12,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-12-22 14:16:12,529 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 14:16:12,529 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:16:12,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:16:12,530 INFO L85 PathProgramCache]: Analyzing trace with hash 373676334, now seen corresponding path program 1 times [2023-12-22 14:16:12,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:16:12,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648575157] [2023-12-22 14:16:12,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:16:12,532 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 14:16:12,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:16:12,533 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 14:16:12,537 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 14:16:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:16:12,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 14:16:12,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:16:12,969 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 717 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2023-12-22 14:16:12,969 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 14:16:12,969 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:16:12,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648575157] [2023-12-22 14:16:12,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1648575157] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 14:16:12,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 14:16:12,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 14:16:12,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30149633] [2023-12-22 14:16:12,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 14:16:12,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 14:16:12,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:16:12,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 14:16:12,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 14:16:12,971 INFO L87 Difference]: Start difference. First operand 11189 states and 12636 transitions. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states 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 14:16:17,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:16:17,932 INFO L93 Difference]: Finished difference Result 22706 states and 25973 transitions. [2023-12-22 14:16:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 14:16:17,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 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 692 [2023-12-22 14:16:17,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:16:17,961 INFO L225 Difference]: With dead ends: 22706 [2023-12-22 14:16:17,961 INFO L226 Difference]: Without dead ends: 12834 [2023-12-22 14:16:17,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 690 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 14:16:17,969 INFO L413 NwaCegarLoop]: 441 mSDtfsCounter, 171 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-22 14:16:17,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 446 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-12-22 14:16:17,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12834 states. [2023-12-22 14:16:18,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12834 to 12505. [2023-12-22 14:16:18,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12505 states, 12504 states have (on average 1.120601407549584) internal successors, (14012), 12504 states have internal predecessors, (14012), 0 states have call successors, (0), 0 states 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 14:16:18,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12505 states to 12505 states and 14012 transitions. [2023-12-22 14:16:18,134 INFO L78 Accepts]: Start accepts. Automaton has 12505 states and 14012 transitions. Word has length 692 [2023-12-22 14:16:18,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:16:18,134 INFO L495 AbstractCegarLoop]: Abstraction has 12505 states and 14012 transitions. [2023-12-22 14:16:18,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states 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 14:16:18,134 INFO L276 IsEmpty]: Start isEmpty. Operand 12505 states and 14012 transitions. [2023-12-22 14:16:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2023-12-22 14:16:18,140 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:16:18,140 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 14:16:18,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-12-22 14:16:18,345 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 14:16:18,345 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:16:18,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:16:18,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1536251783, now seen corresponding path program 1 times [2023-12-22 14:16:18,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:16:18,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80485960] [2023-12-22 14:16:18,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:16:18,348 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 14:16:18,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:16:18,349 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 14:16:18,353 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 14:16:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:16:18,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-22 14:16:18,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:16:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 406 proven. 317 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2023-12-22 14:16:20,065 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 14:16:34,942 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 406 proven. 317 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2023-12-22 14:16:34,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:16:34,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80485960] [2023-12-22 14:16:34,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80485960] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 14:16:34,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 14:16:34,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-12-22 14:16:34,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208004082] [2023-12-22 14:16:34,943 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 14:16:34,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-22 14:16:34,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:16:34,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-22 14:16:34,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-22 14:16:34,945 INFO L87 Difference]: Start difference. First operand 12505 states and 14012 transitions. Second operand has 7 states, 7 states have (on average 118.14285714285714) internal successors, (827), 6 states have internal predecessors, (827), 0 states have call successors, (0), 0 states 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 14:16:58,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 14:17:25,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:17:25,093 INFO L93 Difference]: Finished difference Result 30655 states and 34710 transitions. [2023-12-22 14:17:25,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-22 14:17:25,105 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 118.14285714285714) internal successors, (827), 6 states have internal predecessors, (827), 0 states have call successors, (0), 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 750 [2023-12-22 14:17:25,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:17:25,126 INFO L225 Difference]: With dead ends: 30655 [2023-12-22 14:17:25,126 INFO L226 Difference]: Without dead ends: 19467 [2023-12-22 14:17:25,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1503 GetRequests, 1493 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-12-22 14:17:25,133 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 1299 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 3297 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 3552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 3297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.5s IncrementalHoareTripleChecker+Time [2023-12-22 14:17:25,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1299 Valid, 125 Invalid, 3552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 3297 Invalid, 0 Unknown, 0 Unchecked, 49.5s Time] [2023-12-22 14:17:25,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19467 states. [2023-12-22 14:17:25,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19467 to 17440. [2023-12-22 14:17:25,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17440 states, 17439 states have (on average 1.1411204770915764) internal successors, (19900), 17439 states have internal predecessors, (19900), 0 states have call successors, (0), 0 states 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 14:17:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17440 states to 17440 states and 19900 transitions. [2023-12-22 14:17:25,336 INFO L78 Accepts]: Start accepts. Automaton has 17440 states and 19900 transitions. Word has length 750 [2023-12-22 14:17:25,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:17:25,337 INFO L495 AbstractCegarLoop]: Abstraction has 17440 states and 19900 transitions. [2023-12-22 14:17:25,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 118.14285714285714) internal successors, (827), 6 states have internal predecessors, (827), 0 states have call successors, (0), 0 states 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 14:17:25,337 INFO L276 IsEmpty]: Start isEmpty. Operand 17440 states and 19900 transitions. [2023-12-22 14:17:25,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2023-12-22 14:17:25,343 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:17:25,343 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 14:17:25,349 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 14:17:25,547 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 14:17:25,548 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:17:25,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:17:25,548 INFO L85 PathProgramCache]: Analyzing trace with hash 938653996, now seen corresponding path program 1 times [2023-12-22 14:17:25,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:17:25,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108977876] [2023-12-22 14:17:25,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:17:25,551 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 14:17:25,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:17:25,552 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 14:17:25,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-22 14:17:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:17:25,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 14:17:25,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:17:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 459 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2023-12-22 14:17:25,874 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 14:17:25,874 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:17:25,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108977876] [2023-12-22 14:17:25,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2108977876] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 14:17:25,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 14:17:25,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 14:17:25,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740122447] [2023-12-22 14:17:25,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 14:17:25,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 14:17:25,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:17:25,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 14:17:25,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 14:17:25,876 INFO L87 Difference]: Start difference. First operand 17440 states and 19900 transitions. Second operand has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states 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 14:17:30,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:17:30,843 INFO L93 Difference]: Finished difference Result 33892 states and 38708 transitions. [2023-12-22 14:17:30,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 14:17:30,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 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 752 [2023-12-22 14:17:30,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:17:30,865 INFO L225 Difference]: With dead ends: 33892 [2023-12-22 14:17:30,865 INFO L226 Difference]: Without dead ends: 17440 [2023-12-22 14:17:30,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 751 GetRequests, 750 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 14:17:30,873 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 284 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-22 14:17:30,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 90 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-22 14:17:30,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17440 states. [2023-12-22 14:17:31,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17440 to 14150. [2023-12-22 14:17:31,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14150 states, 14149 states have (on average 1.100289773128843) internal successors, (15568), 14149 states have internal predecessors, (15568), 0 states have call successors, (0), 0 states 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 14:17:31,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14150 states to 14150 states and 15568 transitions. [2023-12-22 14:17:31,036 INFO L78 Accepts]: Start accepts. Automaton has 14150 states and 15568 transitions. Word has length 752 [2023-12-22 14:17:31,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:17:31,036 INFO L495 AbstractCegarLoop]: Abstraction has 14150 states and 15568 transitions. [2023-12-22 14:17:31,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states 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 14:17:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 14150 states and 15568 transitions. [2023-12-22 14:17:31,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 893 [2023-12-22 14:17:31,074 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:17:31,074 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-22 14:17:31,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-12-22 14:17:31,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 14:17:31,275 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:17:31,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:17:31,275 INFO L85 PathProgramCache]: Analyzing trace with hash -338186861, now seen corresponding path program 1 times [2023-12-22 14:17:31,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:17:31,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893296440] [2023-12-22 14:17:31,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:17:31,278 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 14:17:31,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:17:31,279 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 14:17:31,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-22 14:17:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:17:31,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 14:17:31,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:17:31,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1551 backedges. 961 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2023-12-22 14:17:31,697 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 14:17:31,697 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:17:31,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893296440] [2023-12-22 14:17:31,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893296440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 14:17:31,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 14:17:31,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 14:17:31,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239557051] [2023-12-22 14:17:31,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 14:17:31,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 14:17:31,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:17:31,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 14:17:31,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 14:17:31,699 INFO L87 Difference]: Start difference. First operand 14150 states and 15568 transitions. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states 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 14:17:36,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:17:36,390 INFO L93 Difference]: Finished difference Result 30602 states and 33966 transitions. [2023-12-22 14:17:36,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 14:17:36,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 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 892 [2023-12-22 14:17:36,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:17:36,403 INFO L225 Difference]: With dead ends: 30602 [2023-12-22 14:17:36,404 INFO L226 Difference]: Without dead ends: 17440 [2023-12-22 14:17:36,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 891 GetRequests, 890 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 14:17:36,411 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 195 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-22 14:17:36,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 433 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-22 14:17:36,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17440 states. [2023-12-22 14:17:36,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17440 to 16782. [2023-12-22 14:17:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16782 states, 16781 states have (on average 1.0889696680769918) internal successors, (18274), 16781 states have internal predecessors, (18274), 0 states have call successors, (0), 0 states 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 14:17:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16782 states to 16782 states and 18274 transitions. [2023-12-22 14:17:36,589 INFO L78 Accepts]: Start accepts. Automaton has 16782 states and 18274 transitions. Word has length 892 [2023-12-22 14:17:36,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:17:36,590 INFO L495 AbstractCegarLoop]: Abstraction has 16782 states and 18274 transitions. [2023-12-22 14:17:36,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states 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 14:17:36,590 INFO L276 IsEmpty]: Start isEmpty. Operand 16782 states and 18274 transitions. [2023-12-22 14:17:36,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1027 [2023-12-22 14:17:36,641 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 14:17:36,641 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2023-12-22 14:17:36,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2023-12-22 14:17:36,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 14:17:36,842 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 14:17:36,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 14:17:36,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1295953692, now seen corresponding path program 1 times [2023-12-22 14:17:36,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 14:17:36,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735684092] [2023-12-22 14:17:36,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 14:17:36,845 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 14:17:36,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 14:17:36,846 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 14:17:36,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-22 14:17:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 14:17:37,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-22 14:17:37,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 14:17:38,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2602 backedges. 1404 proven. 952 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-12-22 14:17:38,200 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 14:17:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2602 backedges. 1663 proven. 0 refuted. 0 times theorem prover too weak. 939 trivial. 0 not checked. [2023-12-22 14:17:38,983 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 14:17:38,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735684092] [2023-12-22 14:17:38,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735684092] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-22 14:17:38,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-22 14:17:38,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-12-22 14:17:38,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322703687] [2023-12-22 14:17:38,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 14:17:38,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 14:17:38,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 14:17:38,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 14:17:38,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-22 14:17:38,985 INFO L87 Difference]: Start difference. First operand 16782 states and 18274 transitions. Second operand has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states 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 14:17:48,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 14:17:48,997 INFO L93 Difference]: Finished difference Result 35206 states and 38621 transitions. [2023-12-22 14:17:49,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 14:17:49,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 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 1026 [2023-12-22 14:17:49,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 14:17:49,004 INFO L225 Difference]: With dead ends: 35206 [2023-12-22 14:17:49,004 INFO L226 Difference]: Without dead ends: 0 [2023-12-22 14:17:49,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2050 GetRequests, 2044 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-22 14:17:49,015 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 268 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-12-22 14:17:49,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 23 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2023-12-22 14:17:49,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-22 14:17:49,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-22 14:17:49,015 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 14:17:49,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-22 14:17:49,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1026 [2023-12-22 14:17:49,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 14:17:49,016 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-22 14:17:49,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states 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 14:17:49,016 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-22 14:17:49,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-22 14:17:49,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 14:17:49,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2023-12-22 14:17:49,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 14:17:49,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-22 14:17:56,584 WARN L293 SmtUtils]: Spent 7.03s on a formula simplification. DAG size of input: 229 DAG size of output: 60 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-22 14:17:56,587 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,587 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,587 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,596 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,596 INFO L899 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,596 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,596 INFO L899 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,596 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,596 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,596 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,596 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,597 INFO L899 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,598 INFO L899 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,599 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,600 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,601 INFO L899 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L1777(lines 1777 1793) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,602 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,603 INFO L899 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,603 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,603 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,603 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,603 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,603 INFO L899 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,603 INFO L899 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,603 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,603 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,603 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,603 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,603 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,604 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed. [2023-12-22 14:17:56,605 INFO L895 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse0 (not (= (_ bv8 32) ~a16~0))) (.cse8 (= (_ bv3 32) ~a15~0)) (.cse11 (not (bvslt (_ bv134 32) ~a18~0))) (.cse1 (= (_ bv7 32) ~a12~0)) (.cse10 (not (= (_ bv8 32) ~a12~0))) (.cse7 (bvmul ~a18~0 (_ bv9 32)))) (let ((.cse2 (bvsle (bvadd (_ bv4294910257 32) (bvsdiv .cse7 (_ bv10 32))) (_ bv4294967140 32))) (.cse3 (or .cse10 (not (bvsge (_ bv4294967217 32) ~a18~0)))) (.cse6 (or .cse11 (not .cse1))) (.cse4 (or .cse10 .cse11)) (.cse9 (or .cse0 (not .cse8))) (.cse5 (bvsle (bvsdiv (bvadd (bvmul (_ bv4294967295 32) ~a18~0) (_ bv4294370896 32)) (_ bv10 32)) (_ bv4294967140 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse3 (bvsle (bvadd (_ bv4294376119 32) (bvsdiv (bvadd .cse7 (_ bv1530 32)) (_ bv10 32))) (_ bv4294967140 32)) .cse8 .cse5 .cse6) (and .cse8 .cse0 .cse2) (and (= (_ bv5 32) ~a12~0) .cse8) (and .cse5 .cse1 .cse2) (and (= (_ bv11 32) ~a16~0) .cse8) (and .cse9 .cse5 .cse2) (and .cse3 .cse8 .cse0 .cse6) (and .cse4 .cse9 .cse5)))) [2023-12-22 14:17:56,605 INFO L899 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,605 INFO L899 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,605 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,605 INFO L899 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,606 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,607 INFO L899 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,608 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,609 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,610 INFO L899 garLoopResultBuilder]: For program point calculate_output2_returnLabel#1(lines 1504 1775) no Hoare annotation was computed. [2023-12-22 14:17:56,610 INFO L899 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,610 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,610 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,610 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,610 INFO L899 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,610 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,610 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,611 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,612 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,612 INFO L899 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,612 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,612 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,612 INFO L899 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,612 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,612 INFO L899 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,612 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,612 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,612 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,612 INFO L899 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,612 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,613 INFO L899 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,614 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,615 INFO L899 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2023-12-22 14:17:56,619 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 14:17:56,621 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 14:17:56,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 02:17:56 BoogieIcfgContainer [2023-12-22 14:17:56,638 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 14:17:56,638 INFO L158 Benchmark]: Toolchain (without parser) took 658978.85ms. Allocated memory was 192.9MB in the beginning and 337.6MB in the end (delta: 144.7MB). Free memory was 153.2MB in the beginning and 153.1MB in the end (delta: 75.6kB). Peak memory consumption was 210.8MB. Max. memory is 8.0GB. [2023-12-22 14:17:56,638 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 192.9MB. Free memory is still 150.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 14:17:56,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.05ms. Allocated memory was 192.9MB in the beginning and 269.5MB in the end (delta: 76.5MB). Free memory was 153.2MB in the beginning and 226.2MB in the end (delta: -73.0MB). Peak memory consumption was 68.9MB. Max. memory is 8.0GB. [2023-12-22 14:17:56,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.71ms. Allocated memory is still 269.5MB. Free memory was 226.2MB in the beginning and 213.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-22 14:17:56,640 INFO L158 Benchmark]: Boogie Preprocessor took 131.26ms. Allocated memory is still 269.5MB. Free memory was 213.6MB in the beginning and 200.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-22 14:17:56,640 INFO L158 Benchmark]: RCFGBuilder took 5998.97ms. Allocated memory is still 269.5MB. Free memory was 200.5MB in the beginning and 212.3MB in the end (delta: -11.7MB). Peak memory consumption was 124.0MB. Max. memory is 8.0GB. [2023-12-22 14:17:56,640 INFO L158 Benchmark]: TraceAbstraction took 652049.36ms. Allocated memory was 269.5MB in the beginning and 337.6MB in the end (delta: 68.2MB). Free memory was 211.7MB in the beginning and 153.1MB in the end (delta: 58.6MB). Peak memory consumption was 191.9MB. Max. memory is 8.0GB. [2023-12-22 14:17:56,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 192.9MB. Free memory is still 150.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 709.05ms. Allocated memory was 192.9MB in the beginning and 269.5MB in the end (delta: 76.5MB). Free memory was 153.2MB in the beginning and 226.2MB in the end (delta: -73.0MB). Peak memory consumption was 68.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 83.71ms. Allocated memory is still 269.5MB. Free memory was 226.2MB in the beginning and 213.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 131.26ms. Allocated memory is still 269.5MB. Free memory was 213.6MB in the beginning and 200.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * RCFGBuilder took 5998.97ms. Allocated memory is still 269.5MB. Free memory was 200.5MB in the beginning and 212.3MB in the end (delta: -11.7MB). Peak memory consumption was 124.0MB. Max. memory is 8.0GB. * TraceAbstraction took 652049.36ms. Allocated memory was 269.5MB in the beginning and 337.6MB in the end (delta: 68.2MB). Free memory was 211.7MB in the beginning and 153.1MB in the end (delta: 58.6MB). Peak memory consumption was 191.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 182]: 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, 334 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 652.0s, OverallIterations: 16, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 574.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 11785 SdHoareTripleChecker+Valid, 568.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11785 mSDsluCounter, 3070 SdHoareTripleChecker+Invalid, 523.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 267 mSDsCounter, 4223 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27919 IncrementalHoareTripleChecker+Invalid, 32144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4223 mSolverCounterUnsat, 2803 mSDtfsCounter, 27919 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12505 GetRequests, 12433 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17440occurred in iteration=13, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 13694 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 64 NumberOfFragments, 232 HoareAnnotationTreeSize, 1 FormulaSimplifications, 4170 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 1 FormulaSimplificationsInter, 4525 FormulaSimplificationTreeSizeReductionInter, 7.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 63.0s InterpolantComputationTime, 8167 NumberOfCodeBlocks, 8167 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 12478 ConstructedInterpolants, 0 QuantifiedInterpolants, 57401 SizeOfPredicates, 23 NumberOfNonLiveVariables, 9053 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 23 InterpolantComputations, 12 PerfectInterpolantSequences, 13397/17217 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: 1783]: Loop Invariant Derived loop invariant: (((((((((((!((8 == a16)) && (7 == a12)) && (((-57039 + ((a18 * 9) / 10)) % 4294967296) <= -156)) || ((((!((8 == a12)) || !((-79 >= a18))) && (!((8 == a12)) || !((134 < a18)))) && (((((-1 * a18) + -596400) % 4294967296) / 10) <= -156)) && (!((134 < a18)) || !((7 == a12))))) || (((((!((8 == a12)) || !((-79 >= a18))) && (((-591177 + ((((a18 * 9) + 1530) % 4294967296) / 10)) % 4294967296) <= -156)) && (3 == a15)) && (((((-1 * a18) + -596400) % 4294967296) / 10) <= -156)) && (!((134 < a18)) || !((7 == a12))))) || (((3 == a15) && !((8 == a16))) && (((-57039 + ((a18 * 9) / 10)) % 4294967296) <= -156))) || ((5 == a12) && (3 == a15))) || (((((((-1 * a18) + -596400) % 4294967296) / 10) <= -156) && (7 == a12)) && (((-57039 + ((a18 * 9) / 10)) % 4294967296) <= -156))) || ((11 == a16) && (3 == a15))) || (((!((8 == a16)) || !((3 == a15))) && (((((-1 * a18) + -596400) % 4294967296) / 10) <= -156)) && (((-57039 + ((a18 * 9) / 10)) % 4294967296) <= -156))) || ((((!((8 == a12)) || !((-79 >= a18))) && (3 == a15)) && !((8 == a16))) && (!((134 < a18)) || !((7 == a12))))) || (((!((8 == a12)) || !((134 < a18))) && (!((8 == a16)) || !((3 == a15)))) && (((((-1 * a18) + -596400) % 4294967296) / 10) <= -156))) RESULT: Ultimate proved your program to be correct! [2023-12-22 14:17:56,700 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...