/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/Problem11_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 09:25:32,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 09:25:32,460 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 09:25:32,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 09:25:32,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 09:25:32,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 09:25:32,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 09:25:32,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 09:25:32,485 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 09:25:32,488 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 09:25:32,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 09:25:32,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 09:25:32,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 09:25:32,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 09:25:32,490 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 09:25:32,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 09:25:32,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 09:25:32,491 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 09:25:32,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 09:25:32,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 09:25:32,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 09:25:32,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 09:25:32,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 09:25:32,493 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 09:25:32,493 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 09:25:32,493 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 09:25:32,493 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 09:25:32,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 09:25:32,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 09:25:32,493 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 09:25:32,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 09:25:32,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 09:25:32,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 09:25:32,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 09:25:32,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 09:25:32,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 09:25:32,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 09:25:32,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 09:25:32,495 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 09:25:32,495 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 09:25:32,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 09:25:32,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 09:25:32,496 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 09:25:32,496 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 09:25:32,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 09:25:32,496 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 09:25:32,496 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 09:25:32,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 09:25:32,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 09:25:32,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 09:25:32,700 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 09:25:32,700 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 09:25:32,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label27.c [2023-12-22 09:25:33,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 09:25:33,895 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 09:25:33,896 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label27.c [2023-12-22 09:25:33,907 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bceb44f33/a67d9331b67a4912b73a442e5def3b22/FLAG320431006 [2023-12-22 09:25:33,918 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bceb44f33/a67d9331b67a4912b73a442e5def3b22 [2023-12-22 09:25:33,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 09:25:33,920 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 09:25:33,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 09:25:33,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 09:25:33,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 09:25:33,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:25:33" (1/1) ... [2023-12-22 09:25:33,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424ae302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:33, skipping insertion in model container [2023-12-22 09:25:33,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:25:33" (1/1) ... [2023-12-22 09:25:33,980 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 09:25:34,126 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/Problem11_label27.c[6152,6165] [2023-12-22 09:25:34,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 09:25:34,300 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 09:25:34,318 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/Problem11_label27.c[6152,6165] [2023-12-22 09:25:34,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 09:25:34,530 INFO L206 MainTranslator]: Completed translation [2023-12-22 09:25:34,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34 WrapperNode [2023-12-22 09:25:34,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 09:25:34,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 09:25:34,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 09:25:34,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 09:25:34,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34" (1/1) ... [2023-12-22 09:25:34,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34" (1/1) ... [2023-12-22 09:25:34,604 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 998 [2023-12-22 09:25:34,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 09:25:34,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 09:25:34,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 09:25:34,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 09:25:34,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34" (1/1) ... [2023-12-22 09:25:34,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34" (1/1) ... [2023-12-22 09:25:34,618 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34" (1/1) ... [2023-12-22 09:25:34,643 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 09:25:34,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34" (1/1) ... [2023-12-22 09:25:34,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34" (1/1) ... [2023-12-22 09:25:34,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34" (1/1) ... [2023-12-22 09:25:34,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34" (1/1) ... [2023-12-22 09:25:34,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34" (1/1) ... [2023-12-22 09:25:34,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34" (1/1) ... [2023-12-22 09:25:34,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 09:25:34,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 09:25:34,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 09:25:34,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 09:25:34,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34" (1/1) ... [2023-12-22 09:25:34,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 09:25:34,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 09:25:34,758 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 09:25:34,766 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 09:25:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 09:25:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 09:25:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 09:25:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 09:25:34,836 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 09:25:34,838 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 09:25:41,272 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 09:25:41,299 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 09:25:41,300 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 09:25:41,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:25:41 BoogieIcfgContainer [2023-12-22 09:25:41,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 09:25:41,302 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 09:25:41,302 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 09:25:41,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 09:25:41,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 09:25:33" (1/3) ... [2023-12-22 09:25:41,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c79e758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:25:41, skipping insertion in model container [2023-12-22 09:25:41,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:25:34" (2/3) ... [2023-12-22 09:25:41,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c79e758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:25:41, skipping insertion in model container [2023-12-22 09:25:41,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:25:41" (3/3) ... [2023-12-22 09:25:41,305 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label27.c [2023-12-22 09:25:41,317 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 09:25:41,317 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 09:25:41,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 09:25:41,357 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;@2d66485f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 09:25:41,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 09:25:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 0 states have call successors, (0), 0 states 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 09:25:41,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-22 09:25:41,367 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:25:41,367 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] [2023-12-22 09:25:41,368 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:25:41,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:25:41,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1611310110, now seen corresponding path program 1 times [2023-12-22 09:25:41,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:25:41,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655839095] [2023-12-22 09:25:41,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:25:41,381 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 09:25:41,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:25:41,386 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 09:25:41,391 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 09:25:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:25:41,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 09:25:41,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:25:41,475 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 09:25:41,476 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 09:25:41,476 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:25:41,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655839095] [2023-12-22 09:25:41,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655839095] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 09:25:41,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 09:25:41,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 09:25:41,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389231956] [2023-12-22 09:25:41,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:25:41,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 09:25:41,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:25:41,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 09:25:41,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 09:25:41,514 INFO L87 Difference]: Start difference. First operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 0 states have call successors, (0), 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 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states 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 09:25:41,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:25:41,579 INFO L93 Difference]: Finished difference Result 441 states and 839 transitions. [2023-12-22 09:25:41,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 09:25:41,581 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2023-12-22 09:25:41,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:25:41,591 INFO L225 Difference]: With dead ends: 441 [2023-12-22 09:25:41,592 INFO L226 Difference]: Without dead ends: 219 [2023-12-22 09:25:41,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 40 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 09:25:41,598 INFO L413 NwaCegarLoop]: 355 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, 355 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 09:25:41,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-22 09:25:41,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-12-22 09:25:41,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-12-22 09:25:41,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.628440366972477) internal successors, (355), 218 states have internal predecessors, (355), 0 states have call successors, (0), 0 states 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 09:25:41,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 355 transitions. [2023-12-22 09:25:41,645 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 355 transitions. Word has length 41 [2023-12-22 09:25:41,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:25:41,645 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 355 transitions. [2023-12-22 09:25:41,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states 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 09:25:41,646 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 355 transitions. [2023-12-22 09:25:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-22 09:25:41,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:25:41,647 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] [2023-12-22 09:25:41,649 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 (2)] Ended with exit code 0 [2023-12-22 09:25:41,849 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 09:25:41,850 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:25:41,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:25:41,850 INFO L85 PathProgramCache]: Analyzing trace with hash -623901859, now seen corresponding path program 1 times [2023-12-22 09:25:41,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:25:41,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099746689] [2023-12-22 09:25:41,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:25:41,852 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 09:25:41,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:25:41,853 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 09:25:41,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-22 09:25:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:25:41,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 09:25:41,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:25:41,985 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 09:25:41,985 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 09:25:41,986 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:25:41,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099746689] [2023-12-22 09:25:41,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1099746689] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 09:25:41,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 09:25:41,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 09:25:41,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499079014] [2023-12-22 09:25:41,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:25:41,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 09:25:41,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:25:41,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 09:25:41,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 09:25:41,993 INFO L87 Difference]: Start difference. First operand 219 states and 355 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states 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 09:25:48,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:25:48,492 INFO L93 Difference]: Finished difference Result 629 states and 1028 transitions. [2023-12-22 09:25:48,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 09:25:48,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2023-12-22 09:25:48,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:25:48,502 INFO L225 Difference]: With dead ends: 629 [2023-12-22 09:25:48,502 INFO L226 Difference]: Without dead ends: 411 [2023-12-22 09:25:48,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 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 09:25:48,503 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 164 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-12-22 09:25:48,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 144 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-12-22 09:25:48,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-12-22 09:25:48,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 408. [2023-12-22 09:25:48,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 407 states have (on average 1.4594594594594594) internal successors, (594), 407 states have internal predecessors, (594), 0 states have call successors, (0), 0 states 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 09:25:48,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 594 transitions. [2023-12-22 09:25:48,518 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 594 transitions. Word has length 41 [2023-12-22 09:25:48,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:25:48,518 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 594 transitions. [2023-12-22 09:25:48,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states 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 09:25:48,519 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 594 transitions. [2023-12-22 09:25:48,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-22 09:25:48,521 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:25:48,521 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:25:48,528 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 09:25:48,721 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 09:25:48,722 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:25:48,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:25:48,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1158740875, now seen corresponding path program 1 times [2023-12-22 09:25:48,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:25:48,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490435717] [2023-12-22 09:25:48,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:25:48,725 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 09:25:48,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:25:48,726 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 09:25:48,727 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 09:25:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:25:48,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 09:25:48,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:25:48,935 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:25:48,935 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 09:25:48,936 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:25:48,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490435717] [2023-12-22 09:25:48,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1490435717] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 09:25:48,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 09:25:48,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 09:25:48,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550169685] [2023-12-22 09:25:48,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:25:48,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 09:25:48,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:25:48,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 09:25:48,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 09:25:48,946 INFO L87 Difference]: Start difference. First operand 408 states and 594 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states 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 09:25:57,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:25:57,895 INFO L93 Difference]: Finished difference Result 1198 states and 1750 transitions. [2023-12-22 09:25:57,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 09:25:57,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2023-12-22 09:25:57,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:25:57,905 INFO L225 Difference]: With dead ends: 1198 [2023-12-22 09:25:57,905 INFO L226 Difference]: Without dead ends: 791 [2023-12-22 09:25:57,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 107 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 09:25:57,907 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 132 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-12-22 09:25:57,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 181 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-12-22 09:25:57,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2023-12-22 09:25:57,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 780. [2023-12-22 09:25:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 779 states have (on average 1.3478818998716302) internal successors, (1050), 779 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states 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 09:25:57,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1050 transitions. [2023-12-22 09:25:57,929 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1050 transitions. Word has length 109 [2023-12-22 09:25:57,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:25:57,930 INFO L495 AbstractCegarLoop]: Abstraction has 780 states and 1050 transitions. [2023-12-22 09:25:57,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states 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 09:25:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1050 transitions. [2023-12-22 09:25:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-22 09:25:57,945 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:25:57,945 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:25:57,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-22 09:25:58,149 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 09:25:58,150 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:25:58,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:25:58,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1310170612, now seen corresponding path program 1 times [2023-12-22 09:25:58,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:25:58,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031159850] [2023-12-22 09:25:58,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:25:58,151 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 09:25:58,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:25:58,152 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 09:25:58,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-22 09:25:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:25:58,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 09:25:58,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:25:58,335 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:25:58,336 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 09:25:58,336 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:25:58,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031159850] [2023-12-22 09:25:58,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031159850] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 09:25:58,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 09:25:58,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 09:25:58,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282578146] [2023-12-22 09:25:58,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:25:58,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 09:25:58,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:25:58,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 09:25:58,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 09:25:58,337 INFO L87 Difference]: Start difference. First operand 780 states and 1050 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states 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 09:26:05,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:26:05,981 INFO L93 Difference]: Finished difference Result 1928 states and 2650 transitions. [2023-12-22 09:26:05,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 09:26:05,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-22 09:26:05,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:26:05,995 INFO L225 Difference]: With dead ends: 1928 [2023-12-22 09:26:05,995 INFO L226 Difference]: Without dead ends: 1149 [2023-12-22 09:26:05,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 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 09:26:05,997 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 148 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-12-22 09:26:05,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 152 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-12-22 09:26:05,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2023-12-22 09:26:06,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1149. [2023-12-22 09:26:06,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1148 states have (on average 1.2569686411149825) internal successors, (1443), 1148 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states 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 09:26:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1443 transitions. [2023-12-22 09:26:06,020 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1443 transitions. Word has length 112 [2023-12-22 09:26:06,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:26:06,020 INFO L495 AbstractCegarLoop]: Abstraction has 1149 states and 1443 transitions. [2023-12-22 09:26:06,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states 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 09:26:06,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1443 transitions. [2023-12-22 09:26:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-12-22 09:26:06,023 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:26:06,023 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:06,030 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 09:26:06,227 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 09:26:06,228 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:26:06,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:26:06,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1907109036, now seen corresponding path program 1 times [2023-12-22 09:26:06,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:26:06,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317038299] [2023-12-22 09:26:06,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:26:06,230 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 09:26:06,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:26:06,231 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 09:26:06,233 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 09:26:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:26:06,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 09:26:06,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:26:06,621 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:26:06,621 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 09:26:07,008 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:26:07,008 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:26:07,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317038299] [2023-12-22 09:26:07,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [317038299] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-22 09:26:07,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-22 09:26:07,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-12-22 09:26:07,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129045165] [2023-12-22 09:26:07,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:26:07,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 09:26:07,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:26:07,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 09:26:07,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-22 09:26:07,010 INFO L87 Difference]: Start difference. First operand 1149 states and 1443 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 09:26:23,148 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 09:26:24,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:26:24,785 INFO L93 Difference]: Finished difference Result 2672 states and 3489 transitions. [2023-12-22 09:26:24,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 09:26:24,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-12-22 09:26:24,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:26:24,799 INFO L225 Difference]: With dead ends: 2672 [2023-12-22 09:26:24,799 INFO L226 Difference]: Without dead ends: 1892 [2023-12-22 09:26:24,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-22 09:26:24,802 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 164 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2023-12-22 09:26:24,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 345 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 17.7s Time] [2023-12-22 09:26:24,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2023-12-22 09:26:24,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1892. [2023-12-22 09:26:24,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1892 states, 1891 states have (on average 1.2157588577472236) internal successors, (2299), 1891 states have internal predecessors, (2299), 0 states have call successors, (0), 0 states 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 09:26:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2299 transitions. [2023-12-22 09:26:24,827 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2299 transitions. Word has length 168 [2023-12-22 09:26:24,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:26:24,828 INFO L495 AbstractCegarLoop]: Abstraction has 1892 states and 2299 transitions. [2023-12-22 09:26:24,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 09:26:24,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2299 transitions. [2023-12-22 09:26:24,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-12-22 09:26:24,830 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:26:24,830 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, 2, 2, 2, 2, 2, 2, 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] [2023-12-22 09:26:24,835 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 09:26:25,033 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 09:26:25,033 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:26:25,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:26:25,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1819377739, now seen corresponding path program 1 times [2023-12-22 09:26:25,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:26:25,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175993721] [2023-12-22 09:26:25,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:26:25,035 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 09:26:25,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:26:25,036 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 09:26:25,037 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 09:26:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:26:25,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-22 09:26:25,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:26:26,096 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 79 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:26:26,096 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 09:26:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:26:27,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:26:27,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175993721] [2023-12-22 09:26:27,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1175993721] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-22 09:26:27,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-22 09:26:27,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-12-22 09:26:27,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556954879] [2023-12-22 09:26:27,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:26:27,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 09:26:27,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:26:27,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 09:26:27,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-22 09:26:27,858 INFO L87 Difference]: Start difference. First operand 1892 states and 2299 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states 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 09:26:42,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:26:42,268 INFO L93 Difference]: Finished difference Result 3226 states and 4129 transitions. [2023-12-22 09:26:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 09:26:42,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 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 222 [2023-12-22 09:26:42,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:26:42,281 INFO L225 Difference]: With dead ends: 3226 [2023-12-22 09:26:42,281 INFO L226 Difference]: Without dead ends: 2445 [2023-12-22 09:26:42,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-22 09:26:42,286 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 149 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2023-12-22 09:26:42,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 47 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2023-12-22 09:26:42,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2023-12-22 09:26:42,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 2445. [2023-12-22 09:26:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2445 states, 2444 states have (on average 1.2434533551554827) internal successors, (3039), 2444 states have internal predecessors, (3039), 0 states have call successors, (0), 0 states 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 09:26:42,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2445 states and 3039 transitions. [2023-12-22 09:26:42,317 INFO L78 Accepts]: Start accepts. Automaton has 2445 states and 3039 transitions. Word has length 222 [2023-12-22 09:26:42,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:26:42,317 INFO L495 AbstractCegarLoop]: Abstraction has 2445 states and 3039 transitions. [2023-12-22 09:26:42,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states 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 09:26:42,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 3039 transitions. [2023-12-22 09:26:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-12-22 09:26:42,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:26:42,319 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-22 09:26:42,327 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 09:26:42,525 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 09:26:42,526 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:26:42,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:26:42,526 INFO L85 PathProgramCache]: Analyzing trace with hash -2098484931, now seen corresponding path program 1 times [2023-12-22 09:26:42,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:26:42,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65049327] [2023-12-22 09:26:42,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:26:42,527 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 09:26:42,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:26:42,529 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 09:26:42,540 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 09:26:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:26:42,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 09:26:42,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:26:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:26:42,749 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 09:26:42,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:26:42,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65049327] [2023-12-22 09:26:42,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65049327] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 09:26:42,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 09:26:42,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 09:26:42,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412052924] [2023-12-22 09:26:42,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:26:42,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 09:26:42,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:26:42,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 09:26:42,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 09:26:42,751 INFO L87 Difference]: Start difference. First operand 2445 states and 3039 transitions. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states 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 09:26:49,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:26:49,648 INFO L93 Difference]: Finished difference Result 5452 states and 6967 transitions. [2023-12-22 09:26:49,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 09:26:49,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 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 229 [2023-12-22 09:26:49,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:26:49,656 INFO L225 Difference]: With dead ends: 5452 [2023-12-22 09:26:49,656 INFO L226 Difference]: Without dead ends: 3376 [2023-12-22 09:26:49,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 227 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 09:26:49,659 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 130 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-12-22 09:26:49,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 335 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-12-22 09:26:49,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3376 states. [2023-12-22 09:26:49,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3376 to 3368. [2023-12-22 09:26:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3368 states, 3367 states have (on average 1.22007722007722) internal successors, (4108), 3367 states have internal predecessors, (4108), 0 states have call successors, (0), 0 states 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 09:26:49,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 3368 states and 4108 transitions. [2023-12-22 09:26:49,692 INFO L78 Accepts]: Start accepts. Automaton has 3368 states and 4108 transitions. Word has length 229 [2023-12-22 09:26:49,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:26:49,692 INFO L495 AbstractCegarLoop]: Abstraction has 3368 states and 4108 transitions. [2023-12-22 09:26:49,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states 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 09:26:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 4108 transitions. [2023-12-22 09:26:49,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-12-22 09:26:49,695 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:26:49,695 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-22 09:26:49,699 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 09:26:49,899 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 09:26:49,899 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:26:49,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:26:49,900 INFO L85 PathProgramCache]: Analyzing trace with hash 992268174, now seen corresponding path program 1 times [2023-12-22 09:26:49,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:26:49,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7727353] [2023-12-22 09:26:49,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:26:49,901 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 09:26:49,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:26:49,902 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 09:26:49,903 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 09:26:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:26:50,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 09:26:50,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:26:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 79 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:26:50,259 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 09:26:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:26:50,533 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:26:50,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7727353] [2023-12-22 09:26:50,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7727353] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-22 09:26:50,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-22 09:26:50,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-12-22 09:26:50,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496720520] [2023-12-22 09:26:50,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:26:50,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 09:26:50,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:26:50,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 09:26:50,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-22 09:26:50,535 INFO L87 Difference]: Start difference. First operand 3368 states and 4108 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states 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 09:27:04,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:27:04,012 INFO L93 Difference]: Finished difference Result 7655 states and 9583 transitions. [2023-12-22 09:27:04,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 09:27:04,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 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 235 [2023-12-22 09:27:04,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:27:04,024 INFO L225 Difference]: With dead ends: 7655 [2023-12-22 09:27:04,024 INFO L226 Difference]: Without dead ends: 4656 [2023-12-22 09:27:04,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-22 09:27:04,028 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 145 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-12-22 09:27:04,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 105 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2023-12-22 09:27:04,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4656 states. [2023-12-22 09:27:04,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4656 to 4656. [2023-12-22 09:27:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4656 states, 4655 states have (on average 1.2257787325456497) internal successors, (5706), 4655 states have internal predecessors, (5706), 0 states have call successors, (0), 0 states 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 09:27:04,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4656 states to 4656 states and 5706 transitions. [2023-12-22 09:27:04,114 INFO L78 Accepts]: Start accepts. Automaton has 4656 states and 5706 transitions. Word has length 235 [2023-12-22 09:27:04,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:27:04,114 INFO L495 AbstractCegarLoop]: Abstraction has 4656 states and 5706 transitions. [2023-12-22 09:27:04,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states 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 09:27:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 4656 states and 5706 transitions. [2023-12-22 09:27:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-12-22 09:27:04,117 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:27:04,117 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 09:27:04,138 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 09:27:04,338 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 09:27:04,341 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:27:04,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:27:04,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1530540494, now seen corresponding path program 1 times [2023-12-22 09:27:04,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:27:04,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1921898005] [2023-12-22 09:27:04,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:27:04,343 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 09:27:04,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:27:04,344 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 09:27:04,347 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 09:27:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:27:04,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 09:27:04,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:27:04,618 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-22 09:27:04,618 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 09:27:04,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:27:04,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1921898005] [2023-12-22 09:27:04,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1921898005] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 09:27:04,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 09:27:04,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 09:27:04,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729309430] [2023-12-22 09:27:04,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:27:04,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 09:27:04,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:27:04,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 09:27:04,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 09:27:04,620 INFO L87 Difference]: Start difference. First operand 4656 states and 5706 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 0 states 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 09:27:11,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:27:11,358 INFO L93 Difference]: Finished difference Result 10597 states and 13200 transitions. [2023-12-22 09:27:11,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 09:27:11,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 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 244 [2023-12-22 09:27:11,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:27:11,374 INFO L225 Difference]: With dead ends: 10597 [2023-12-22 09:27:11,374 INFO L226 Difference]: Without dead ends: 6310 [2023-12-22 09:27:11,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 242 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 09:27:11,379 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 114 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-12-22 09:27:11,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 152 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-12-22 09:27:11,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6310 states. [2023-12-22 09:27:11,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6310 to 6309. [2023-12-22 09:27:11,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6309 states, 6308 states have (on average 1.1766011414077362) internal successors, (7422), 6308 states have internal predecessors, (7422), 0 states have call successors, (0), 0 states 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 09:27:11,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6309 states to 6309 states and 7422 transitions. [2023-12-22 09:27:11,453 INFO L78 Accepts]: Start accepts. Automaton has 6309 states and 7422 transitions. Word has length 244 [2023-12-22 09:27:11,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:27:11,453 INFO L495 AbstractCegarLoop]: Abstraction has 6309 states and 7422 transitions. [2023-12-22 09:27:11,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 0 states 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 09:27:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 6309 states and 7422 transitions. [2023-12-22 09:27:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2023-12-22 09:27:11,456 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:27:11,456 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-22 09:27:11,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-22 09:27:11,660 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 09:27:11,661 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:27:11,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:27:11,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1120002731, now seen corresponding path program 1 times [2023-12-22 09:27:11,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:27:11,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112795868] [2023-12-22 09:27:11,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:27:11,662 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 09:27:11,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:27:11,663 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 09:27:11,679 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 09:27:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:27:11,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-22 09:27:11,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:27:12,097 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:27:12,097 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 09:27:17,589 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:27:17,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:27:17,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112795868] [2023-12-22 09:27:17,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112795868] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-22 09:27:17,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-22 09:27:17,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2023-12-22 09:27:17,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220703777] [2023-12-22 09:27:17,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:27:17,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-22 09:27:17,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:27:17,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-22 09:27:17,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-22 09:27:17,591 INFO L87 Difference]: Start difference. First operand 6309 states and 7422 transitions. Second operand has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 0 states have call successors, (0), 0 states 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 09:27:31,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:28:00,476 WARN L539 Checker$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 09:28:05,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:28:41,153 WARN L539 Checker$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 09:28:42,622 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 09:28:47,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:28:47,151 INFO L93 Difference]: Finished difference Result 14649 states and 17316 transitions. [2023-12-22 09:28:47,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-22 09:28:47,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 0 states have call successors, (0), 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 245 [2023-12-22 09:28:47,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:28:47,188 INFO L225 Difference]: With dead ends: 14649 [2023-12-22 09:28:47,188 INFO L226 Difference]: Without dead ends: 8709 [2023-12-22 09:28:47,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-22 09:28:47,193 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 437 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.4s IncrementalHoareTripleChecker+Time [2023-12-22 09:28:47,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 59 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 89.4s Time] [2023-12-22 09:28:47,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8709 states. [2023-12-22 09:28:47,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8709 to 6860. [2023-12-22 09:28:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6860 states, 6859 states have (on average 1.153229333722117) internal successors, (7910), 6859 states have internal predecessors, (7910), 0 states have call successors, (0), 0 states 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 09:28:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6860 states to 6860 states and 7910 transitions. [2023-12-22 09:28:47,296 INFO L78 Accepts]: Start accepts. Automaton has 6860 states and 7910 transitions. Word has length 245 [2023-12-22 09:28:47,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:28:47,296 INFO L495 AbstractCegarLoop]: Abstraction has 6860 states and 7910 transitions. [2023-12-22 09:28:47,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 0 states have call successors, (0), 0 states 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 09:28:47,297 INFO L276 IsEmpty]: Start isEmpty. Operand 6860 states and 7910 transitions. [2023-12-22 09:28:47,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-12-22 09:28:47,299 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:28:47,299 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-22 09:28:47,305 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 09:28:47,507 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 09:28:47,507 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:28:47,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:28:47,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1254639927, now seen corresponding path program 1 times [2023-12-22 09:28:47,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:28:47,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319260470] [2023-12-22 09:28:47,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:28:47,509 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 09:28:47,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:28:47,510 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 09:28:47,511 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 09:28:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:28:47,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 09:28:47,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:28:48,025 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 79 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:28:48,025 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 09:28:48,494 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:28:48,495 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:28:48,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1319260470] [2023-12-22 09:28:48,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1319260470] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-22 09:28:48,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-22 09:28:48,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-12-22 09:28:48,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290655629] [2023-12-22 09:28:48,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:28:48,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 09:28:48,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:28:48,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 09:28:48,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-22 09:28:48,496 INFO L87 Difference]: Start difference. First operand 6860 states and 7910 transitions. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states 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 09:29:19,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:29:19,964 INFO L93 Difference]: Finished difference Result 14458 states and 16663 transitions. [2023-12-22 09:29:19,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 09:29:19,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2023-12-22 09:29:19,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:29:19,988 INFO L225 Difference]: With dead ends: 14458 [2023-12-22 09:29:19,988 INFO L226 Difference]: Without dead ends: 7783 [2023-12-22 09:29:19,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-22 09:29:19,994 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 151 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.4s IncrementalHoareTripleChecker+Time [2023-12-22 09:29:19,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 88 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 31.4s Time] [2023-12-22 09:29:20,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7783 states. [2023-12-22 09:29:20,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7783 to 7780. [2023-12-22 09:29:20,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7780 states, 7779 states have (on average 1.1428204139349531) internal successors, (8890), 7779 states have internal predecessors, (8890), 0 states have call successors, (0), 0 states 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 09:29:20,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7780 states to 7780 states and 8890 transitions. [2023-12-22 09:29:20,093 INFO L78 Accepts]: Start accepts. Automaton has 7780 states and 8890 transitions. Word has length 247 [2023-12-22 09:29:20,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:29:20,094 INFO L495 AbstractCegarLoop]: Abstraction has 7780 states and 8890 transitions. [2023-12-22 09:29:20,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states 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 09:29:20,094 INFO L276 IsEmpty]: Start isEmpty. Operand 7780 states and 8890 transitions. [2023-12-22 09:29:20,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2023-12-22 09:29:20,098 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:29:20,099 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-22 09:29:20,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-22 09:29:20,303 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 09:29:20,304 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:29:20,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:29:20,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2006112474, now seen corresponding path program 1 times [2023-12-22 09:29:20,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:29:20,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631460238] [2023-12-22 09:29:20,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:29:20,306 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 09:29:20,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:29:20,307 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 09:29:20,307 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 09:29:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:29:20,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-22 09:29:20,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:29:24,023 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 54 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:29:24,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 09:30:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 67 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:30:14,915 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:30:14,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [631460238] [2023-12-22 09:30:14,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [631460238] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 09:30:14,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 09:30:14,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-12-22 09:30:14,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996012345] [2023-12-22 09:30:14,916 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 09:30:14,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-22 09:30:14,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:30:14,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-22 09:30:14,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-12-22 09:30:14,917 INFO L87 Difference]: Start difference. First operand 7780 states and 8890 transitions. Second operand has 8 states, 8 states have (on average 72.25) internal successors, (578), 7 states have internal predecessors, (578), 0 states have call successors, (0), 0 states 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 09:30:42,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:30:57,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:30:59,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:31:00,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:31:07,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:31:12,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:31:23,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:31:24,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:31:34,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:31:43,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:31:55,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:31:55,032 INFO L93 Difference]: Finished difference Result 21502 states and 24600 transitions. [2023-12-22 09:31:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-22 09:31:55,032 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 72.25) internal successors, (578), 7 states have internal predecessors, (578), 0 states have call successors, (0), 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 303 [2023-12-22 09:31:55,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:31:55,052 INFO L225 Difference]: With dead ends: 21502 [2023-12-22 09:31:55,052 INFO L226 Difference]: Without dead ends: 13315 [2023-12-22 09:31:55,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-12-22 09:31:55,060 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 399 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 3197 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 3504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 3197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99.2s IncrementalHoareTripleChecker+Time [2023-12-22 09:31:55,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 168 Invalid, 3504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 3197 Invalid, 0 Unknown, 0 Unchecked, 99.2s Time] [2023-12-22 09:31:55,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13315 states. [2023-12-22 09:31:55,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13315 to 13308. [2023-12-22 09:31:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13308 states, 13307 states have (on average 1.128278349740738) internal successors, (15014), 13307 states have internal predecessors, (15014), 0 states have call successors, (0), 0 states 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 09:31:55,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13308 states to 13308 states and 15014 transitions. [2023-12-22 09:31:55,215 INFO L78 Accepts]: Start accepts. Automaton has 13308 states and 15014 transitions. Word has length 303 [2023-12-22 09:31:55,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:31:55,215 INFO L495 AbstractCegarLoop]: Abstraction has 13308 states and 15014 transitions. [2023-12-22 09:31:55,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 72.25) internal successors, (578), 7 states have internal predecessors, (578), 0 states have call successors, (0), 0 states 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 09:31:55,216 INFO L276 IsEmpty]: Start isEmpty. Operand 13308 states and 15014 transitions. [2023-12-22 09:31:55,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-12-22 09:31:55,220 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:31:55,220 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:31:55,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-22 09:31:55,424 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 09:31:55,425 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:31:55,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:31:55,425 INFO L85 PathProgramCache]: Analyzing trace with hash -876388076, now seen corresponding path program 1 times [2023-12-22 09:31:55,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:31:55,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1916767185] [2023-12-22 09:31:55,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:31:55,427 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 09:31:55,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:31:55,428 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 09:31:55,429 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 09:31:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:31:55,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-22 09:31:55,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:31:56,059 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 119 proven. 141 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-12-22 09:31:56,059 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 09:32:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 119 proven. 141 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-12-22 09:32:01,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:32:01,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1916767185] [2023-12-22 09:32:01,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1916767185] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 09:32:01,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 09:32:01,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-12-22 09:32:01,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741431885] [2023-12-22 09:32:01,995 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 09:32:01,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-22 09:32:01,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:32:01,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-22 09:32:01,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-22 09:32:01,996 INFO L87 Difference]: Start difference. First operand 13308 states and 15014 transitions. Second operand has 6 states, 6 states have (on average 71.83333333333333) internal successors, (431), 5 states have internal predecessors, (431), 0 states have call successors, (0), 0 states 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 09:33:15,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:33:15,869 INFO L93 Difference]: Finished difference Result 32519 states and 36922 transitions. [2023-12-22 09:33:15,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-22 09:33:15,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 71.83333333333333) internal successors, (431), 5 states have internal predecessors, (431), 0 states have call successors, (0), 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 316 [2023-12-22 09:33:15,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:33:15,907 INFO L225 Difference]: With dead ends: 32519 [2023-12-22 09:33:15,908 INFO L226 Difference]: Without dead ends: 19766 [2023-12-22 09:33:15,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 626 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 09:33:15,916 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 785 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 2163 mSolverCounterSat, 371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 2534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 371 IncrementalHoareTripleChecker+Valid, 2163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.5s IncrementalHoareTripleChecker+Time [2023-12-22 09:33:15,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 119 Invalid, 2534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [371 Valid, 2163 Invalid, 0 Unknown, 0 Unchecked, 73.5s Time] [2023-12-22 09:33:15,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19766 states. [2023-12-22 09:33:16,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19766 to 16254. [2023-12-22 09:33:16,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16254 states, 16253 states have (on average 1.111425582969298) internal successors, (18064), 16253 states have internal predecessors, (18064), 0 states have call successors, (0), 0 states 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 09:33:16,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16254 states to 16254 states and 18064 transitions. [2023-12-22 09:33:16,155 INFO L78 Accepts]: Start accepts. Automaton has 16254 states and 18064 transitions. Word has length 316 [2023-12-22 09:33:16,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:33:16,156 INFO L495 AbstractCegarLoop]: Abstraction has 16254 states and 18064 transitions. [2023-12-22 09:33:16,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.83333333333333) internal successors, (431), 5 states have internal predecessors, (431), 0 states have call successors, (0), 0 states 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 09:33:16,156 INFO L276 IsEmpty]: Start isEmpty. Operand 16254 states and 18064 transitions. [2023-12-22 09:33:16,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2023-12-22 09:33:16,160 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:33:16,160 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, 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] [2023-12-22 09:33:16,172 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 09:33:16,367 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 09:33:16,367 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:33:16,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:33:16,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1001264507, now seen corresponding path program 1 times [2023-12-22 09:33:16,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:33:16,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962227892] [2023-12-22 09:33:16,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:33:16,369 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 09:33:16,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:33:16,370 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 09:33:16,371 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 09:33:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:33:16,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-22 09:33:16,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:33:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-12-22 09:33:17,112 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 09:33:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-12-22 09:33:17,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:33:17,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962227892] [2023-12-22 09:33:17,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962227892] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-22 09:33:17,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-22 09:33:17,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-12-22 09:33:17,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824024261] [2023-12-22 09:33:17,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:33:17,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 09:33:17,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:33:17,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 09:33:17,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-22 09:33:17,373 INFO L87 Difference]: Start difference. First operand 16254 states and 18064 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 09:33:30,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:33:30,740 INFO L93 Difference]: Finished difference Result 18832 states and 20918 transitions. [2023-12-22 09:33:30,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 09:33:30,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 333 [2023-12-22 09:33:30,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:33:30,760 INFO L225 Difference]: With dead ends: 18832 [2023-12-22 09:33:30,760 INFO L226 Difference]: Without dead ends: 18830 [2023-12-22 09:33:30,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 660 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 09:33:30,764 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 180 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-12-22 09:33:30,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 130 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2023-12-22 09:33:30,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18830 states. [2023-12-22 09:33:30,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18830 to 17174. [2023-12-22 09:33:30,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17174 states, 17173 states have (on average 1.112968031211786) internal successors, (19113), 17173 states have internal predecessors, (19113), 0 states have call successors, (0), 0 states 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 09:33:30,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17174 states to 17174 states and 19113 transitions. [2023-12-22 09:33:30,966 INFO L78 Accepts]: Start accepts. Automaton has 17174 states and 19113 transitions. Word has length 333 [2023-12-22 09:33:30,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:33:30,966 INFO L495 AbstractCegarLoop]: Abstraction has 17174 states and 19113 transitions. [2023-12-22 09:33:30,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 09:33:30,966 INFO L276 IsEmpty]: Start isEmpty. Operand 17174 states and 19113 transitions. [2023-12-22 09:33:30,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2023-12-22 09:33:30,972 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:33:30,972 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 09:33:30,990 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 09:33:31,179 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 09:33:31,179 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:33:31,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:33:31,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1859768557, now seen corresponding path program 1 times [2023-12-22 09:33:31,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:33:31,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302092076] [2023-12-22 09:33:31,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:33:31,181 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 09:33:31,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:33:31,182 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 09:33:31,183 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 09:33:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:33:31,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-22 09:33:31,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:33:31,833 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 119 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:33:31,833 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 09:33:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 444 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 09:33:34,568 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:33:34,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302092076] [2023-12-22 09:33:34,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302092076] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-22 09:33:34,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-22 09:33:34,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2023-12-22 09:33:34,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434439965] [2023-12-22 09:33:34,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:33:34,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-22 09:33:34,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:33:34,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-22 09:33:34,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-22 09:33:34,570 INFO L87 Difference]: Start difference. First operand 17174 states and 19113 transitions. Second operand has 4 states, 4 states have (on average 100.75) internal successors, (403), 4 states have internal predecessors, (403), 0 states have call successors, (0), 0 states 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 09:34:16,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:34:16,608 INFO L93 Difference]: Finished difference Result 35830 states and 39878 transitions. [2023-12-22 09:34:16,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-22 09:34:16,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.75) internal successors, (403), 4 states have internal predecessors, (403), 0 states have call successors, (0), 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 403 [2023-12-22 09:34:16,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:34:16,641 INFO L225 Difference]: With dead ends: 35830 [2023-12-22 09:34:16,641 INFO L226 Difference]: Without dead ends: 19027 [2023-12-22 09:34:16,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 804 GetRequests, 799 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-22 09:34:16,652 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 196 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.9s IncrementalHoareTripleChecker+Time [2023-12-22 09:34:16,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 114 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 41.9s Time] [2023-12-22 09:34:16,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19027 states. [2023-12-22 09:34:16,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19027 to 16070. [2023-12-22 09:34:16,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16070 states, 16069 states have (on average 1.1105855996017175) internal successors, (17846), 16069 states have internal predecessors, (17846), 0 states have call successors, (0), 0 states 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 09:34:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16070 states to 16070 states and 17846 transitions. [2023-12-22 09:34:16,967 INFO L78 Accepts]: Start accepts. Automaton has 16070 states and 17846 transitions. Word has length 403 [2023-12-22 09:34:16,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:34:16,968 INFO L495 AbstractCegarLoop]: Abstraction has 16070 states and 17846 transitions. [2023-12-22 09:34:16,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.75) internal successors, (403), 4 states have internal predecessors, (403), 0 states have call successors, (0), 0 states 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 09:34:16,969 INFO L276 IsEmpty]: Start isEmpty. Operand 16070 states and 17846 transitions. [2023-12-22 09:34:16,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2023-12-22 09:34:16,974 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:34:16,974 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 09:34:16,981 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 09:34:17,178 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 09:34:17,180 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:34:17,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:34:17,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1389312648, now seen corresponding path program 1 times [2023-12-22 09:34:17,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:34:17,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74714493] [2023-12-22 09:34:17,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:34:17,182 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 09:34:17,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:34:17,183 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 09:34:17,209 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 09:34:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:34:17,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 09:34:17,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:34:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-22 09:34:17,613 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 09:34:17,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:34:17,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74714493] [2023-12-22 09:34:17,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74714493] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 09:34:17,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 09:34:17,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 09:34:17,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314277080] [2023-12-22 09:34:17,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:34:17,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 09:34:17,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:34:17,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 09:34:17,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 09:34:17,615 INFO L87 Difference]: Start difference. First operand 16070 states and 17846 transitions. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states 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 09:34:26,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:34:26,083 INFO L93 Difference]: Finished difference Result 33437 states and 37104 transitions. [2023-12-22 09:34:26,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 09:34:26,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 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 405 [2023-12-22 09:34:26,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:34:26,104 INFO L225 Difference]: With dead ends: 33437 [2023-12-22 09:34:26,104 INFO L226 Difference]: Without dead ends: 17554 [2023-12-22 09:34:26,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 403 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 09:34:26,114 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 94 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-12-22 09:34:26,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 360 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-12-22 09:34:26,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17554 states. [2023-12-22 09:34:26,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17554 to 15145. [2023-12-22 09:34:26,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15145 states, 15144 states have (on average 1.104067617538299) internal successors, (16720), 15144 states have internal predecessors, (16720), 0 states have call successors, (0), 0 states 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 09:34:26,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15145 states to 15145 states and 16720 transitions. [2023-12-22 09:34:26,332 INFO L78 Accepts]: Start accepts. Automaton has 15145 states and 16720 transitions. Word has length 405 [2023-12-22 09:34:26,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:34:26,333 INFO L495 AbstractCegarLoop]: Abstraction has 15145 states and 16720 transitions. [2023-12-22 09:34:26,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states 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 09:34:26,333 INFO L276 IsEmpty]: Start isEmpty. Operand 15145 states and 16720 transitions. [2023-12-22 09:34:26,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2023-12-22 09:34:26,340 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:34:26,341 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:34:26,347 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 09:34:26,544 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 09:34:26,545 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:34:26,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:34:26,545 INFO L85 PathProgramCache]: Analyzing trace with hash -625984949, now seen corresponding path program 1 times [2023-12-22 09:34:26,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:34:26,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568346232] [2023-12-22 09:34:26,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:34:26,548 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 09:34:26,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:34:26,549 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 09:34:26,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-22 09:34:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:34:26,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-22 09:34:26,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:34:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 565 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-12-22 09:34:27,704 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 09:34:45,691 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 159 proven. 406 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-12-22 09:34:45,692 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:34:45,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568346232] [2023-12-22 09:34:45,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568346232] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 09:34:45,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 09:34:45,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-12-22 09:34:45,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542929329] [2023-12-22 09:34:45,692 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 09:34:45,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-22 09:34:45,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:34:45,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-22 09:34:45,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-22 09:34:45,694 INFO L87 Difference]: Start difference. First operand 15145 states and 16720 transitions. Second operand has 8 states, 8 states have (on average 79.125) internal successors, (633), 7 states have internal predecessors, (633), 0 states have call successors, (0), 0 states 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 09:35:48,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:36:26,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:36:28,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:36:50,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:36:50,445 INFO L93 Difference]: Finished difference Result 35820 states and 39382 transitions. [2023-12-22 09:36:50,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-22 09:36:50,462 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 79.125) internal successors, (633), 7 states have internal predecessors, (633), 0 states have call successors, (0), 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 563 [2023-12-22 09:36:50,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:36:50,501 INFO L225 Difference]: With dead ends: 35820 [2023-12-22 09:36:50,501 INFO L226 Difference]: Without dead ends: 22520 [2023-12-22 09:36:50,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1125 GetRequests, 1118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-12-22 09:36:50,507 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 862 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 3840 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 113.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 862 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 4319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 3840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 124.0s IncrementalHoareTripleChecker+Time [2023-12-22 09:36:50,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [862 Valid, 201 Invalid, 4319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 3840 Invalid, 0 Unknown, 0 Unchecked, 124.0s Time] [2023-12-22 09:36:50,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22520 states. [2023-12-22 09:36:50,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22520 to 17723. [2023-12-22 09:36:50,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17723 states, 17722 states have (on average 1.100383703870895) internal successors, (19501), 17722 states have internal predecessors, (19501), 0 states have call successors, (0), 0 states 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 09:36:50,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17723 states to 17723 states and 19501 transitions. [2023-12-22 09:36:50,750 INFO L78 Accepts]: Start accepts. Automaton has 17723 states and 19501 transitions. Word has length 563 [2023-12-22 09:36:50,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:36:50,750 INFO L495 AbstractCegarLoop]: Abstraction has 17723 states and 19501 transitions. [2023-12-22 09:36:50,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 79.125) internal successors, (633), 7 states have internal predecessors, (633), 0 states have call successors, (0), 0 states 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 09:36:50,751 INFO L276 IsEmpty]: Start isEmpty. Operand 17723 states and 19501 transitions. [2023-12-22 09:36:50,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2023-12-22 09:36:50,762 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:36:50,763 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-22 09:36:50,769 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 (18)] Ended with exit code 0 [2023-12-22 09:36:50,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 09:36:50,972 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:36:50,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:36:50,972 INFO L85 PathProgramCache]: Analyzing trace with hash -268526843, now seen corresponding path program 1 times [2023-12-22 09:36:50,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:36:50,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312847213] [2023-12-22 09:36:50,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:36:50,975 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 09:36:50,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:36:50,977 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 09:36:50,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-22 09:36:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:36:51,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-22 09:36:51,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:36:55,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 74 proven. 1407 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-22 09:36:55,644 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 09:37:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 1020 proven. 211 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2023-12-22 09:37:01,696 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:37:01,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [312847213] [2023-12-22 09:37:01,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [312847213] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 09:37:01,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 09:37:01,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 9 [2023-12-22 09:37:01,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31516743] [2023-12-22 09:37:01,697 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 09:37:01,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-22 09:37:01,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:37:01,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-22 09:37:01,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-12-22 09:37:01,705 INFO L87 Difference]: Start difference. First operand 17723 states and 19501 transitions. Second operand has 9 states, 9 states have (on average 94.0) internal successors, (846), 9 states have internal predecessors, (846), 0 states have call successors, (0), 0 states 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 09:37:13,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 09:37:24,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:37:24,809 INFO L93 Difference]: Finished difference Result 37380 states and 41119 transitions. [2023-12-22 09:37:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-22 09:37:24,810 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 94.0) internal successors, (846), 9 states have internal predecessors, (846), 0 states have call successors, (0), 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 09:37:24,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:37:24,826 INFO L225 Difference]: With dead ends: 37380 [2023-12-22 09:37:24,826 INFO L226 Difference]: Without dead ends: 19472 [2023-12-22 09:37:24,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1510 GetRequests, 1498 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-12-22 09:37:24,837 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 535 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 7420 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 7636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 7420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2023-12-22 09:37:24,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 333 Invalid, 7636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 7420 Invalid, 0 Unknown, 0 Unchecked, 22.7s Time] [2023-12-22 09:37:24,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19472 states. [2023-12-22 09:37:25,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19472 to 15143. [2023-12-22 09:37:25,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15143 states, 15142 states have (on average 1.1075155197464008) internal successors, (16770), 15142 states have internal predecessors, (16770), 0 states have call successors, (0), 0 states 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 09:37:25,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15143 states to 15143 states and 16770 transitions. [2023-12-22 09:37:25,070 INFO L78 Accepts]: Start accepts. Automaton has 15143 states and 16770 transitions. Word has length 752 [2023-12-22 09:37:25,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:37:25,070 INFO L495 AbstractCegarLoop]: Abstraction has 15143 states and 16770 transitions. [2023-12-22 09:37:25,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 94.0) internal successors, (846), 9 states have internal predecessors, (846), 0 states have call successors, (0), 0 states 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 09:37:25,071 INFO L276 IsEmpty]: Start isEmpty. Operand 15143 states and 16770 transitions. [2023-12-22 09:37:25,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 759 [2023-12-22 09:37:25,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 09:37:25,082 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, 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, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 09:37:25,093 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 (19)] Forceful destruction successful, exit code 0 [2023-12-22 09:37:25,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 09:37:25,294 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 09:37:25,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 09:37:25,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1342347470, now seen corresponding path program 1 times [2023-12-22 09:37:25,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 09:37:25,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833255134] [2023-12-22 09:37:25,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 09:37:25,297 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 09:37:25,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 09:37:25,298 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-22 09:37:25,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-12-22 09:37:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 09:37:25,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 09:37:25,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 09:37:25,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1393 backedges. 936 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2023-12-22 09:37:25,802 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 09:37:25,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 09:37:25,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833255134] [2023-12-22 09:37:25,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1833255134] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 09:37:25,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 09:37:25,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-22 09:37:25,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128641540] [2023-12-22 09:37:25,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 09:37:25,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 09:37:25,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 09:37:25,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 09:37:25,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 09:37:25,804 INFO L87 Difference]: Start difference. First operand 15143 states and 16770 transitions. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states 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 09:37:30,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 09:37:30,276 INFO L93 Difference]: Finished difference Result 19390 states and 21306 transitions. [2023-12-22 09:37:30,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 09:37:30,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 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 758 [2023-12-22 09:37:30,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 09:37:30,287 INFO L225 Difference]: With dead ends: 19390 [2023-12-22 09:37:30,287 INFO L226 Difference]: Without dead ends: 0 [2023-12-22 09:37:30,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 757 GetRequests, 756 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 09:37:30,296 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 114 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-12-22 09:37:30,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 253 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-12-22 09:37:30,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-22 09:37:30,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-22 09:37:30,297 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 09:37:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-22 09:37:30,297 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 758 [2023-12-22 09:37:30,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 09:37:30,297 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-22 09:37:30,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states 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 09:37:30,298 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-22 09:37:30,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-22 09:37:30,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 09:37:30,312 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 (20)] Forceful destruction successful, exit code 0 [2023-12-22 09:37:30,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 09:37:30,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-22 09:38:04,367 WARN L293 SmtUtils]: Spent 32.91s on a formula simplification. DAG size of input: 371 DAG size of output: 98 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-22 09:38:04,372 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-12-22 09:38:04,372 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,372 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-12-22 09:38:04,372 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,373 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,373 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,373 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,373 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,373 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,373 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,373 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,373 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,373 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,373 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,373 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,373 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,374 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,374 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,375 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,375 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,375 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-12-22 09:38:04,375 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-12-22 09:38:04,375 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,375 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,375 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,375 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,375 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,375 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,375 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1054) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,376 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,377 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,377 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,377 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,377 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,377 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,377 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,377 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,377 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,381 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse20 (bvslt (_ bv140 32) ~a29~0)) (.cse9 (= ~a25~0 (_ bv12 32))) (.cse19 (bvsge (_ bv245 32) ~a29~0)) (.cse4 (not (bvslt (_ bv277 32) ~a29~0))) (.cse21 (= (_ bv13 32) ~a25~0))) (let ((.cse10 (not (bvsge (_ bv138 32) (bvadd (_ bv371130 32) (bvsdiv (bvadd (_ bv4294367076 32) ~a23~0) (_ bv5 32)))))) (.cse2 (= ~a4~0 (_ bv0 32))) (.cse6 (not (bvsge (_ bv138 32) ~a23~0))) (.cse14 (bvsle ~a23~0 (_ bv4294967253 32))) (.cse17 (not (bvslt (_ bv245 32) ~a29~0))) (.cse3 (not (bvslt (_ bv4294967253 32) ~a23~0))) (.cse5 (= (_ bv10 32) ~a25~0)) (.cse15 (or .cse4 (not .cse21))) (.cse8 (not .cse19)) (.cse16 (or .cse4 (not .cse9))) (.cse0 (not .cse20)) (.cse18 (bvsle (bvadd ~a23~0 (_ bv4294367212 32)) (_ bv4294967253 32))) (.cse11 (= ~a8~0 (_ bv15 32))) (.cse12 (= ~a3~0 (_ bv1 32))) (.cse1 (= ~a25~0 (_ bv9 32))) (.cse7 (= ~a4~0 (_ bv1 32))) (.cse13 (not (bvslt (_ bv4294967253 32) (bvsdiv (bvadd (_ bv4294367020 32) ~a23~0) (_ bv5 32)))))) (or (and .cse0 (not .cse1) .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse4 .cse9 .cse2 .cse8) (and .cse0 .cse10 .cse11 .cse12 .cse2 .cse13 .cse3) (and .cse11 (not (bvslt (_ bv140 32) (bvadd (bvsdiv (bvsdiv ~a29~0 (_ bv5 32)) (_ bv5 32)) (_ bv4294386993 32)))) .cse12 .cse2 .cse1 (not (bvsge (_ bv277 32) ~a29~0)) .cse14) (and .cse6 .cse7 .cse13 .cse15 .cse8 .cse16) (and .cse6 (not (bvsge (_ bv277 32) (bvadd (_ bv10250 32) (bvsrem ~a29~0 (_ bv299861 32))))) .cse17 .cse1 (or (not .cse11) (not .cse12)) .cse7) (and .cse10 .cse11 .cse9 .cse17 .cse12 .cse2 .cse13 .cse14) (and .cse18 .cse11 .cse6 .cse12 .cse7) (and (bvslt (_ bv306 32) ~a23~0) .cse19 .cse7 .cse20 .cse21) (and .cse11 .cse12 .cse19 .cse7 .cse14 .cse20 .cse21) (and .cse17 .cse7 .cse13 .cse3) (and .cse7 .cse15 .cse8 .cse3 .cse16) (and .cse18 .cse5 .cse11 .cse12 .cse7 .cse13) (and .cse4 .cse1 .cse7 .cse8) (and .cse11 .cse12 .cse7 .cse13 .cse15 .cse8 .cse16) (and .cse0 .cse18 .cse11 .cse9 .cse12 .cse7 .cse13) (and .cse18 .cse11 .cse12 .cse1 .cse7 .cse13)))) [2023-12-22 09:38:04,381 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,381 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,381 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,382 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,383 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,383 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,383 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,383 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,383 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-12-22 09:38:04,384 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,385 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,386 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,387 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,388 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,389 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,390 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-12-22 09:38:04,393 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 09:38:04,396 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 09:38:04,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 09:38:04 BoogieIcfgContainer [2023-12-22 09:38:04,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 09:38:04,422 INFO L158 Benchmark]: Toolchain (without parser) took 750501.82ms. Allocated memory was 198.2MB in the beginning and 304.1MB in the end (delta: 105.9MB). Free memory was 145.4MB in the beginning and 85.8MB in the end (delta: 59.5MB). Peak memory consumption was 202.4MB. Max. memory is 8.0GB. [2023-12-22 09:38:04,422 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 198.2MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 09:38:04,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.82ms. Allocated memory was 198.2MB in the beginning and 252.7MB in the end (delta: 54.5MB). Free memory was 145.4MB in the beginning and 207.3MB in the end (delta: -62.0MB). Peak memory consumption was 48.9MB. Max. memory is 8.0GB. [2023-12-22 09:38:04,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.30ms. Allocated memory is still 252.7MB. Free memory was 207.3MB in the beginning and 197.9MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-22 09:38:04,423 INFO L158 Benchmark]: Boogie Preprocessor took 129.74ms. Allocated memory is still 252.7MB. Free memory was 197.9MB in the beginning and 188.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-22 09:38:04,423 INFO L158 Benchmark]: RCFGBuilder took 6564.49ms. Allocated memory is still 252.7MB. Free memory was 188.4MB in the beginning and 146.6MB in the end (delta: 41.8MB). Peak memory consumption was 111.1MB. Max. memory is 8.0GB. [2023-12-22 09:38:04,423 INFO L158 Benchmark]: TraceAbstraction took 743120.29ms. Allocated memory was 252.7MB in the beginning and 304.1MB in the end (delta: 51.4MB). Free memory was 146.1MB in the beginning and 85.8MB in the end (delta: 60.2MB). Peak memory consumption was 147.4MB. Max. memory is 8.0GB. [2023-12-22 09:38:04,424 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 198.2MB. Free memory is still 144.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 609.82ms. Allocated memory was 198.2MB in the beginning and 252.7MB in the end (delta: 54.5MB). Free memory was 145.4MB in the beginning and 207.3MB in the end (delta: -62.0MB). Peak memory consumption was 48.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 72.30ms. Allocated memory is still 252.7MB. Free memory was 207.3MB in the beginning and 197.9MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 129.74ms. Allocated memory is still 252.7MB. Free memory was 197.9MB in the beginning and 188.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 6564.49ms. Allocated memory is still 252.7MB. Free memory was 188.4MB in the beginning and 146.6MB in the end (delta: 41.8MB). Peak memory consumption was 111.1MB. Max. memory is 8.0GB. * TraceAbstraction took 743120.29ms. Allocated memory was 252.7MB in the beginning and 304.1MB in the end (delta: 51.4MB). Free memory was 146.1MB in the beginning and 85.8MB in the end (delta: 60.2MB). Peak memory consumption was 147.4MB. 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: 142]: 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, 221 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 743.1s, OverallIterations: 19, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 594.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 33.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4899 SdHoareTripleChecker+Valid, 590.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4899 mSDsluCounter, 3641 SdHoareTripleChecker+Invalid, 537.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 841 mSDsCounter, 3183 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24780 IncrementalHoareTripleChecker+Invalid, 27963 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3183 mSolverCounterUnsat, 2800 mSDtfsCounter, 24780 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9495 GetRequests, 9430 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17723occurred in iteration=17, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 21542 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 58 NumberOfFragments, 469 HoareAnnotationTreeSize, 1 FormulaSimplifications, 15146 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 1 FormulaSimplificationsInter, 8913 FormulaSimplificationTreeSizeReductionInter, 32.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 105.9s InterpolantComputationTime, 5726 NumberOfCodeBlocks, 5726 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 9483 ConstructedInterpolants, 0 QuantifiedInterpolants, 49763 SizeOfPredicates, 10 NumberOfNonLiveVariables, 6884 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 30 InterpolantComputations, 15 PerfectInterpolantSequences, 6984/11179 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: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!((140 < a29)) && !((a25 == 9))) && (a4 == 0)) && !((-43 < a23))) || ((((!((277 < a29)) && (10 == a25)) && !((138 >= a23))) && (a4 == 1)) && !((245 >= a29)))) || (((!((277 < a29)) && (a25 == 12)) && (a4 == 0)) && !((245 >= a29)))) || ((((((!((140 < a29)) && !((138 >= ((371130 + (((-600220 + a23) % 4294967296) / 5)) % 4294967296)))) && (a8 == 15)) && (a3 == 1)) && (a4 == 0)) && !((-43 < (((-600276 + a23) % 4294967296) / 5)))) && !((-43 < a23)))) || (((((((a8 == 15) && !((140 < ((((a29 / 5) / 5) + -580303) % 4294967296)))) && (a3 == 1)) && (a4 == 0)) && (a25 == 9)) && !((277 >= a29))) && (a23 <= -43))) || (((((!((138 >= a23)) && (a4 == 1)) && !((-43 < (((-600276 + a23) % 4294967296) / 5)))) && (!((277 < a29)) || !((13 == a25)))) && !((245 >= a29))) && (!((277 < a29)) || !((a25 == 12))))) || (((((!((138 >= a23)) && !((277 >= ((10250 + (a29 % 299861)) % 4294967296)))) && !((245 < a29))) && (a25 == 9)) && (!((a8 == 15)) || !((a3 == 1)))) && (a4 == 1))) || (((((((!((138 >= ((371130 + (((-600220 + a23) % 4294967296) / 5)) % 4294967296))) && (a8 == 15)) && (a25 == 12)) && !((245 < a29))) && (a3 == 1)) && (a4 == 0)) && !((-43 < (((-600276 + a23) % 4294967296) / 5)))) && (a23 <= -43))) || (((((((a23 + -600084) % 4294967296) <= -43) && (a8 == 15)) && !((138 >= a23))) && (a3 == 1)) && (a4 == 1))) || (((((306 < a23) && (245 >= a29)) && (a4 == 1)) && (140 < a29)) && (13 == a25))) || (((((((a8 == 15) && (a3 == 1)) && (245 >= a29)) && (a4 == 1)) && (a23 <= -43)) && (140 < a29)) && (13 == a25))) || (((!((245 < a29)) && (a4 == 1)) && !((-43 < (((-600276 + a23) % 4294967296) / 5)))) && !((-43 < a23)))) || (((((a4 == 1) && (!((277 < a29)) || !((13 == a25)))) && !((245 >= a29))) && !((-43 < a23))) && (!((277 < a29)) || !((a25 == 12))))) || ((((((((a23 + -600084) % 4294967296) <= -43) && (10 == a25)) && (a8 == 15)) && (a3 == 1)) && (a4 == 1)) && !((-43 < (((-600276 + a23) % 4294967296) / 5))))) || (((!((277 < a29)) && (a25 == 9)) && (a4 == 1)) && !((245 >= a29)))) || (((((((a8 == 15) && (a3 == 1)) && (a4 == 1)) && !((-43 < (((-600276 + a23) % 4294967296) / 5)))) && (!((277 < a29)) || !((13 == a25)))) && !((245 >= a29))) && (!((277 < a29)) || !((a25 == 12))))) || ((((((!((140 < a29)) && (((a23 + -600084) % 4294967296) <= -43)) && (a8 == 15)) && (a25 == 12)) && (a3 == 1)) && (a4 == 1)) && !((-43 < (((-600276 + a23) % 4294967296) / 5))))) || ((((((((a23 + -600084) % 4294967296) <= -43) && (a8 == 15)) && (a3 == 1)) && (a25 == 9)) && (a4 == 1)) && !((-43 < (((-600276 + a23) % 4294967296) / 5))))) RESULT: Ultimate proved your program to be correct! [2023-12-22 09:38:04,473 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...